{
  "course_id": 44,
  "name": "15-826 — Multimedia and Data Mining",
  "org": "CMU",
  "seeds": [
    "https://www.cs.cmu.edu/~christos/courses/826.F25"
  ],
  "repair_version": 3,
  "updated_at": "2026-10-14T11:24:31Z",
  "pages": [
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/",
      "title": "826F25 index page",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/ded99471327aab5f3542.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/syllabus.html",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/syllabus.html",
      "title": "826 - syllabus",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/774054d8ade0a31f18f5.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/schedule.html",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/schedule.html",
      "title": "15-826 schedule",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/7768c39dfb79728aac9b.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/reading_list.html",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/reading_list.html",
      "title": "Reading List - 826",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/241b75032c960f9c0659.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/fe-guide.html",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/fe-guide.html",
      "title": "Final exam study guide - 15826",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/115f354ae6d8c6d01b13.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4_data/",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4_data/",
      "title": "",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/155640906c59c790ee10.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/mt-guide.html",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/mt-guide.html",
      "title": "Midterm study guide - 826",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/2794016a42c8b9502b82.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/proj.html",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/proj.html",
      "title": "project - 826",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/4eebe70e8da92fee6530.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/",
      "title": "826F25 index page",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/ded99471327aab5f3542.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/index.html",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/index.html",
      "title": "826F25 index page",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/83bb28a4619e9c986977.html",
      "images": []
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/readinglist.html",
      "status": "http_404",
      "reason": "",
      "retried_at": "2026-10-20T18:38:36Z"
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4_data/mystery.bsv",
      "final_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4_data/mystery.bsv",
      "title": "",
      "status": "ok",
      "local_path": "44-15-826-Multimedia-and-Data-Mining/pages/repair/6aabe254d308b4529ddb.html",
      "images": []
    }
  ],
  "files": [
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4-sols.pdf",
      "bytes": 332650,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/001.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4-sols.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/PROJECT/dd_confirmation.pdf",
      "bytes": 29392,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/002.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/PROJECT/dd_confirmation.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4-clean.pdf",
      "bytes": 207505,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/003.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4-clean.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw3-sols.pdf",
      "bytes": 228526,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/004.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw3-sols.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw3-clean.pdf",
      "bytes": 179445,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/005.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw3-clean.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw2-sols.pdf",
      "bytes": 240230,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/006.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw2-sols.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw2-clean.pdf",
      "bytes": 155862,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/007.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw2-clean.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw1-sols.pdf",
      "bytes": 182633,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/008.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw1-sols.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw1-clean.pdf",
      "bytes": 135702,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/009.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw1-clean.pdf"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/BOOK/book.pdf",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/BOOK/book.pdf",
      "retried_at": "2026-10-20T18:38:36Z"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/BOOK/book_graph_mining_prepub.pdf",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/BOOK/book_graph_mining_prepub.pdf",
      "retried_at": "2026-10-20T18:38:36Z"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/010_intro-db.pdf",
      "bytes": 937308,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/012.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/010_intro-db.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/020_b-trees.pdf",
      "bytes": 584450,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/013.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/020_b-trees.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/030_hashing.pdf",
      "bytes": 610401,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/014.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/030_hashing.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/110_SAMs1.pdf",
      "bytes": 475615,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/015.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/110_SAMs1.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/120_SAMs2.pdf",
      "bytes": 858766,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/016.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/120_SAMs2.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/420_GraphMining_patterns.pdf",
      "bytes": 3800920,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/017.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/420_GraphMining_patterns.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/435_GraphMining_anomalies.pdf",
      "bytes": 6676954,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/018.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/435_GraphMining_anomalies.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/436_GraphMining_types_of_fraud.pdf",
      "bytes": 1549751,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/019.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/436_GraphMining_types_of_fraud.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/130_SAMs_Rtrees.pdf",
      "bytes": 613482,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/020.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/130_SAMs_Rtrees.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/140_SAMS_metric_trees.pdf",
      "bytes": 346953,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/021.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/140_SAMS_metric_trees.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/150_fractals_intro.pdf",
      "bytes": 1267160,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/022.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/150_fractals_intro.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/155_fractals_examples.pdf",
      "bytes": 1666575,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/023.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/155_fractals_examples.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/165_fractals_proofs.pdf",
      "bytes": 1225824,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/024.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/165_fractals_proofs.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/180_powerLaws.pdf",
      "bytes": 2347822,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/025.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/180_powerLaws.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/210_text1.pdf",
      "bytes": 333585,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/026.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/210_text1.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/220_text2.pdf",
      "bytes": 691218,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/027.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/220_text2.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/230_text3.pdf",
      "bytes": 722787,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/028.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/230_text3.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/240_text_LSI.pdf",
      "bytes": 456805,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/029.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/240_text_LSI.pdf"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/MIDTERM/mt-sample.pdf",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/MIDTERM/mt-sample.pdf",
      "retried_at": "2026-10-20T18:38:36Z"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/250_svd_dfn.pdf",
      "bytes": 1217137,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/031.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/250_svd_dfn.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/260_svd_apps.pdf",
      "bytes": 758380,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/032.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/260_svd_apps.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/270_svd_hitsPlus.pdf",
      "bytes": 1707913,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/033.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/270_svd_hitsPlus.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/280_tensors.pdf",
      "bytes": 4054266,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/034.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/280_tensors.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/285_ICA.pdf",
      "bytes": 1776497,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/035.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/285_ICA.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/310_DSP_DFT.pdf",
      "bytes": 1636710,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/036.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/310_DSP_DFT.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/310a_project_ph3.pdf",
      "bytes": 526432,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/037.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/310a_project_ph3.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/315_DSP_DWT.pdf",
      "bytes": 1712851,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/038.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/315_DSP_DWT.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/320_multimediaDB.pdf",
      "bytes": 1123214,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/039.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/320_multimediaDB.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/330_JPEG.pdf",
      "bytes": 698525,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/040.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/330_JPEG.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/410_TimeSeriesForecasting.pdf",
      "bytes": 3187274,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/041.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/410_TimeSeriesForecasting.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/430_GraphMining_generators_tools.pdf",
      "bytes": 2682023,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/042.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/430_GraphMining_generators_tools.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/440_GraphMining_BP.pdf",
      "bytes": 3099118,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/043.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/440_GraphMining_BP.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/600_Conclusions.pdf",
      "bytes": 924501,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/044.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FOILS-pdf/600_Conclusions.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/p509-bentley.pdf",
      "bytes": 962773,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/045.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/p509-bentley.pdf"
    },
    {
      "status": "invalid_file_type",
      "url": "http://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/r-trees.PDF",
      "content_type": "text/html",
      "source_url": "http://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/r-trees.PDF",
      "retried_at": "2026-10-20T18:38:37Z"
    },
    {
      "status": "invalid_file_type",
      "url": "http://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/z-order.PDF",
      "content_type": "text/html",
      "source_url": "http://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/z-order.PDF",
      "retried_at": "2026-10-20T18:38:36Z"
    },
    {
      "status": "invalid_file_type",
      "url": "http://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/PUBLICATIONS/icde2K-knn.pdf",
      "content_type": "text/html",
      "source_url": "http://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/PUBLICATIONS/icde2K-knn.pdf",
      "retried_at": "2026-10-20T18:38:36Z"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/0412004-newman05.pdf",
      "bytes": 1508996,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/049.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/0412004-newman05.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/dumaisCACM92.pdf",
      "bytes": 1119778,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/050.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/dumaisCACM92.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/google-anatomy.pdf",
      "bytes": 125032,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/051.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/google-anatomy.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/kleinberg99authoritative.pdf",
      "bytes": 195408,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/052.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/kleinberg99authoritative.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/a16-papalexakis.pdf",
      "bytes": 1212572,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/053.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/a16-papalexakis.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/QBIC95.pdf",
      "bytes": 992071,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/054.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/QBIC95.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/sigmod95.pdf",
      "bytes": 342102,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/055.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/sigmod95.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/jpeg.pdf",
      "bytes": 3291266,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/056.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/jpeg.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/mpeg.pdf",
      "bytes": 9162955,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/057.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/mpeg.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/tsne_vandermaaten08a.pdf",
      "bytes": 3831068,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/058.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/tsne_vandermaaten08a.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/umap_1802.03426.pdf",
      "bytes": 7880321,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/059.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/umap_1802.03426.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/ImageCompression.pdf",
      "bytes": 1695673,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/060.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/ImageCompression.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Diameter_of_the_web.pdf",
      "bytes": 112882,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/061.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Diameter_of_the_web.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Statistical_mechanics_of_complex_networks.pdf",
      "bytes": 883470,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/062.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Statistical_mechanics_of_complex_networks.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Haveliwala_www2003.pdf",
      "bytes": 272514,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/063.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Haveliwala_www2003.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/kdd04-cross-assoc.pdf",
      "bytes": 2370201,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/064.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/kdd04-cross-assoc.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/kdd06CePS.pdf",
      "bytes": 839363,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/065.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/kdd06CePS.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/kdd05-power.pdf",
      "bytes": 329772,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/066.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/kdd05-power.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/pkdd05-kronecker.pdf",
      "bytes": 524622,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/067.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/pkdd05-kronecker.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/pkdd11-koutra-unifying.pdf",
      "bytes": 752523,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/068.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/pkdd11-koutra-unifying.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/query-feedbacks.pdf",
      "bytes": 701151,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/069.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/query-feedbacks.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/muscles-icde2k.pdf",
      "bytes": 335141,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/070.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/muscles-icde2k.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/brunton-et-al-sindy.pdf",
      "bytes": 1335707,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/071.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/brunton-et-al-sindy.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/PAKDD04AutoSplit.pdf",
      "bytes": 386713,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/072.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/PAKDD04AutoSplit.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/kdd02-anf.pdf",
      "bytes": 206353,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/073.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/kdd02-anf.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Research-Gionis-et-al.pdf",
      "bytes": 289319,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/074.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Research-Gionis-et-al.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/p331-gibbons.pdf",
      "bytes": 1688529,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/075.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/p331-gibbons.pdf"
    },
    {
      "status": "ok",
      "url": "https://jmlr.org/papers/volume9/vandermaaten08a/vandermaaten08a.pdf",
      "bytes": 3716712,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/076.pdf",
      "source_url": "https://jmlr.org/papers/volume9/vandermaaten08a/vandermaaten08a.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/pods94.ps.gz",
      "bytes": 178701,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-c962435475e2de3db637.gz",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/pods94.ps.gz"
    },
    {
      "status": "ok",
      "url": "https://arxiv.org/pdf/cond-mat/0412004v3",
      "bytes": 1520298,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-c5bcedec41fc6fb3faab.pdf",
      "source_url": "https://arxiv.org/abs/cond-mat/0412004v3"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/sigmod95.ps.gz",
      "bytes": 131071,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-ff69b93a48c74c16a43d.gz",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/sigmod95.ps.gz"
    },
    {
      "status": "ok",
      "url": "https://arxiv.org/pdf/1802.03426",
      "bytes": 7880321,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-212470ad6e3d1cc08fb5.pdf",
      "source_url": "https://arxiv.org/abs/1802.03426"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/sigcomm99.ps.gz",
      "bytes": 135925,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-1c7c24286afb73598357.gz",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/sigcomm99.ps.gz"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/rakesh-vldb92.ps.gz",
      "bytes": 130664,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-4841c4fe4b48cd6bb199.gz",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/rakesh-vldb92.ps.gz"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/sliq.ps.gz",
      "bytes": 71454,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-4c7fe3469e42e7d332e4.gz",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/sliq.ps.gz"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/rakesh-AR-sigmod93.ps.gz",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/rakesh-AR-sigmod93.ps.gz",
      "retried_at": "2026-10-20T18:38:36Z"
    },
    {
      "status": "ok",
      "url": "https://www.cmu.edu/hub/docs/final-exams.pdf",
      "bytes": 453182,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-51eeb5c84330321bfb27.pdf",
      "source_url": "https://www.cmu.edu/hub/docs/final-exams.pdf"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FINAL_EXAM/fe-sample.pdf",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FINAL_EXAM/fe-sample.pdf",
      "retried_at": "2026-10-20T18:38:36Z"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FINAL_EXAM/fe-sample-solutions.pdf",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/FINAL_EXAM/fe-sample-solutions.pdf",
      "retried_at": "2026-10-20T18:38:37Z"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/pods94.ps.gz",
      "bytes": 178701,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-9e077816b30255770812.gz",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/pods94.ps.gz"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/0412004-newman05.pdf",
      "bytes": 1508996,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-b6ded36db0a540e88a96.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/0412004-newman05.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/dumaisCACM92.pdf",
      "bytes": 1119778,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-34a59ee602310bdc0b0d.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/dumaisCACM92.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/query-feedbacks.pdf",
      "bytes": 701151,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-416d02edb487c31e1fe4.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/query-feedbacks.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/google-anatomy.pdf",
      "bytes": 125032,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-3a946e4924e137f42a34.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/google-anatomy.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/kleinberg99authoritative.pdf",
      "bytes": 195408,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-d5e4dce1c0dc31192bb2.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/kleinberg99authoritative.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/PAKDD04AutoSplit.pdf",
      "bytes": 386713,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-2a007ef09bf8cca47b03.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/PAKDD04AutoSplit.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/QBIC95.pdf",
      "bytes": 992071,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-d8a8c6429ee96124d274.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/QBIC95.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/qbic.ps.gz",
      "bytes": 84821,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-60c8ce98bbb392a842b6.gz",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/qbic.ps.gz"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/sigmod95.pdf",
      "bytes": 342102,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-7ba909aaa37b1db4f545.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/sigmod95.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/sigmod95.ps.gz",
      "bytes": 131071,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-9e1eb79a0ec8f724db77.gz",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/sigmod95.ps.gz"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/jpeg.pdf",
      "bytes": 3291266,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-1578b6bfccc3becb6a51.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/jpeg.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/mpeg.pdf",
      "bytes": 9162955,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-35ce2c8e055019d421fd.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/mpeg.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/ImageCompression.pdf",
      "bytes": 1695673,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-bc97fbf4d7141b479535.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/CMU-ONLY/ImageCompression.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/sigcomm99.ps.gz",
      "bytes": 135925,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-311cf4fd122209940e5c.gz",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/sigcomm99.ps.gz"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Diameter_of_the_web.pdf",
      "bytes": 112882,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-d63230fab71656636f08.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/Diameter_of_the_web.pdf"
    },
    {
      "status": "ok",
      "url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/kdd05-power.pdf",
      "bytes": 329772,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-c88c5f8b975a5f113fb7.pdf",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/PUBLICATIONS/kdd05-power.pdf"
    },
    {
      "status": "invalid_file_type",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/BOOK/book.pdf",
      "content_type": "text/html",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/BOOK/book.pdf",
      "retried_at": "2026-10-20T18:38:37Z"
    },
    {
      "status": "invalid_file_type",
      "url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/BOOK/book_graph_mining_prepub.pdf",
      "content_type": "text/html",
      "source_url": "http://www.cs.cmu.edu/%7Echristos/courses/826-resources/BOOK/book_graph_mining_prepub.pdf",
      "retried_at": "2026-10-20T18:38:37Z"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4_data/mysteryWave64.csv",
      "bytes": 416,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-b14455094f5b63a10466.csv",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/HOMEWORKS/hw4_data/mysteryWave64.csv"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/MIDTERM/mt-sample-sols.pdf",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/MIDTERM/mt-sample-sols.pdf",
      "retried_at": "2026-10-20T18:38:37Z"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/p509-bentley.pdf",
      "bytes": 962773,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-0506658531f3e3ddb459.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/PAPERS+BOOK/p509-bentley.pdf"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/r-trees.PDF",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/r-trees.PDF",
      "retried_at": "2026-10-20T18:38:37Z"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/z-order.PDF",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/courses/826-resources/PAPERS+BOOK/z-order.PDF",
      "retried_at": "2026-10-20T18:38:37Z"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/pods94.pdf",
      "bytes": 1038594,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-854ae6340728f3cb8040.pdf",
      "source_url": "https://www.cs.cmu.edu/%7Echristos/PUBLICATIONS.OLDER/pods94.pdf"
    },
    {
      "status": "invalid_file_type",
      "url": "https://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/PUBLICATIONS/icde2K-knn.pdf",
      "content_type": "text/html",
      "source_url": "https://www.cs.cmu.edu/afs/cs.cmu.edu/user/christos/www/PUBLICATIONS/icde2K-knn.pdf",
      "retried_at": "2026-10-20T18:38:37Z"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/PROJECT/project.pdf",
      "bytes": 518851,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-9589f7f884bb3d5169cd.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/PROJECT/project.pdf"
    },
    {
      "status": "ok",
      "url": "https://www.cs.cmu.edu/~christos/courses/826.F25/PROJECT/nda.pdf",
      "bytes": 51770,
      "reused": true,
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/repair-d4366c7578157a0462b5.pdf",
      "source_url": "https://www.cs.cmu.edu/~christos/courses/826.F25/PROJECT/nda.pdf"
    }
  ],
  "repositories": [],
  "videos": [],
  "skipped": [
    {
      "url": "https://www.cs.cmu.edu/~christos",
      "reason": "external_reference"
    },
    {
      "url": "https://www.cs.cmu.edu/%7Echristos/",
      "reason": "external_reference"
    },
    {
      "url": "https://calendar.google.com/calendar/embed?src=christos%40andrew.cmu.edu&ctz=America%2FNew_York",
      "reason": "external_reference"
    },
    {
      "url": "https://canvas.cmu.edu/courses/49449",
      "reason": "login_restricted"
    },
    {
      "url": "https://www.cs.cmu.edu/%7Echristos/mybookInfo.html",
      "reason": "external_reference"
    },
    {
      "url": "https://link.springer.com/book/10.1007/978-3-031-01903-6",
      "reason": "external_reference"
    },
    {
      "url": "http://numerical.recipes/",
      "reason": "external_reference"
    },
    {
      "url": "https://hanj.cs.illinois.edu/bk4/",
      "reason": "external_reference"
    },
    {
      "url": "https://www.cs.cmu.edu/~christos/MetaPaper/",
      "reason": "external_reference"
    },
    {
      "url": "https://www.amazon.com/Data-Mining-Concepts-Techniques-Management/dp/0128117605",
      "reason": "external_reference"
    },
    {
      "url": "http://apps.nrbook.com/c/index.html",
      "reason": "external_reference"
    },
    {
      "url": "http://s3.amazonaws.com/nrbook.com/book_C210.html",
      "reason": "external_reference"
    },
    {
      "url": "http://pages.cs.wisc.edu/%7Edbbook/",
      "reason": "external_reference"
    },
    {
      "url": "https://dl.acm.org/citation.cfm?id=2915921",
      "reason": "external_reference"
    },
    {
      "url": "https://doi.org/10.1073/pnas.1517384113",
      "reason": "external_reference"
    },
    {
      "url": "https://dl.acm.org/doi/10.14778/2735508.2735519",
      "reason": "external_reference"
    },
    {
      "url": "https://link.springer.com/chapter/10.1007/978-3-540-30570-5_27",
      "reason": "external_reference"
    },
    {
      "url": "http://books.google.com/books?id=qHEzHAAACAAJ&dq=fractal+geometry+of+nature&ei=1RSLR_zJFIrqiwHTzYjEBQ",
      "reason": "external_reference"
    },
    {
      "url": "https://www.amazon.com/Fractals-Chaos-Power-Laws-Infinite/dp/0716723573",
      "reason": "external_reference"
    },
    {
      "url": "https://www.amazon.com/Time-Analysis-Forecasting-Control-3rd/dp/0130607746",
      "reason": "external_reference"
    },
    {
      "url": "http://books.google.com/books?hl=en&id=36OH9a5hpzQC&dq=weigend+gershenfeld&printsec=frontcover&source=web&ots=YQg_hDOVnD&sig=PP2c7nUSfAShnU0Veaw2PvIWgd4",
      "reason": "external_reference"
    },
    {
      "url": "https://www.cse.iitb.ac.in/%7Esoumen/mining-the-web/",
      "reason": "external_reference"
    },
    {
      "url": "https://www.cse.iitb.ac.in/%7Esoumen/",
      "reason": "external_reference"
    },
    {
      "url": "https://www.amazon.com/Linked-Science-Networks-Albert-Laszlo-Barabasi/dp/0738206679",
      "reason": "external_reference"
    },
    {
      "url": "https://www.cs.cmu.edu/%7Echristos/courses/826-resources/REVIEW-QUESTIONS/",
      "reason": "external_reference"
    },
    {
      "url": "https://canvas.cmu.edu/courses/49449/discussion_topics/775067",
      "reason": "login_restricted"
    },
    {
      "url": "http://www.morganclaypool.com/doi/abs/10.2200/S00449ED1V01Y201209DMK006",
      "reason": "external_reference"
    },
    {
      "url": "http://www.nr.com/",
      "reason": "external_reference"
    },
    {
      "url": "https://www.cs.cmu.edu/%7Echristos/SRC/fdnq_h_x11.tar",
      "reason": "external_reference"
    },
    {
      "url": "https://canvas.cmu.edu/courses/49449/discussion_topics/759849",
      "reason": "login_restricted"
    }
  ],
  "discovery_finished": true,
  "license_note": "讲义版权标注为 C. Faloutsos；答案类材料谨慎使用",
  "actual_video_files": [],
  "invalid_legacy_files": [
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/icde2K-knn.pdf",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/010.pdf",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/011.pdf",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/048.pdf",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/z-order.PDF",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/r-trees.PDF",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/030.pdf",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/046.pdf",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/book.pdf",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/book_graph_mining_prepub.pdf",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/mt-sample.pdf",
      "reason": "invalid_file_type"
    },
    {
      "local_path": "44-15-826-Multimedia-and-Data-Mining/files/047.pdf",
      "reason": "invalid_file_type"
    }
  ],
  "status": "partial",
  "missing_count": 16
}