{
"_id": "6af0e0051c36d7c6403e2d0f",
"Package": "abstractExtractR",
"Type": "Package",
"Title": "Retrieve and Audit Scholarly Metadata from Multiple Sources",
"Version": "0.3.0",
"Authors@R": "person(\n\"Diogo\", \"Ribeiro\",\nemail = \"dfr@esmad.ipp.pt\",\nrole = c(\"aut\", \"cre\", \"cph\"),\ncomment = c(\nORCID = \"0009-0001-2022-7072\",\naffiliation = \"Faculty of Media Arts and Design of the Technical University of Porto\"\n)\n)",
"Description": "Retrieves and normalizes scholarly article metadata and\nabstracts from the 'Crossref' REST API\n,\nthe 'OpenAlex' API and the\n'Scopus' Search API .\nProvides bibliographic searches, cursor pagination, publication\ndate and author filtering, abstract retrieval by Digital Object\nIdentifier (DOI), cached batch enrichment, merging of duplicate\nrecords, metadata-quality audits, reproducible search\nsnapshots, local archives with integrity verification, and\nexport to comma-separated values (CSV), 'BibTeX' and 'RIS'\ncitation files. Network requests support configurable timeouts\nand test callbacks. 'Scopus' searches require an 'Elsevier' API\nkey; 'Crossref' queries do not. 'OpenAlex' supports limited\nkeyless searches and authenticated pagination.",
"License": "MIT + file LICENSE",
"Config/testthat/edition": "3",
"Encoding": "UTF-8",
"Language": "en-US",
"RoxygenNote": "7.3.3",
"NeedsCompilation": "no",
"Packaged": {
"Date": "2026-11-08 20:45:29 UTC",
"User": "root"
},
"Author": "Diogo Ribeiro [aut, cre, cph] (ORCID:\n, affiliation: Faculty\nof Media Arts and Design of the Technical University of Porto)",
"Maintainer": "Diogo Ribeiro ",
"Repository": "https://cran.r-universe.dev",
"Date/Publication": "2026-11-08 19:51:04 UTC",
"RemoteUrl": "https://github.com/cran/abstractExtractR",
"RemoteRef": "HEAD",
"RemoteSha": "399d350f7568953a62a46b2886303ec31a2b22c8",
"_user": "cran",
"_type": "src",
"_file": "abstractExtractR_0.3.0.tar.gz",
"_fileid": "https://r2.ropensci.org/66b9bce22e196ffa6fb2a539a0da2ffec86d73f9d11e5829003ab9e5301cccd3",
"_filesize": 290467,
"_sha256": "66b9bce22e196ffa6fb2a539a0da2ffec86d73f9d11e5829003ab9e5301cccd3",
"_expires": "2027-02-16T20:48:03.000Z",
"_created": "2026-11-08T20:45:29.000Z",
"_published": "2026-11-08T20:48:05.294Z",
"_upstream": "https://github.com/cran/abstractExtractR",
"_status": "success",
"_maintainer": {
"name": "Diogo Ribeiro",
"email": "dfr@esmad.ipp.pt",
"login": "diogoribeiro7",
"linkedin": "in/diogo-ribeiro-9094604a",
"orcid": "0009-0001-2022-7072",
"description": "Lead Data Scientist | AI Engineer | Professor | LLMs, RAG, AI Agents, Forecasting, Anomaly Detection | End to End Production AI Systems | Mathematical Engineer",
"uuid": 15965640
},
"_jobs": [
{
"job": 128856607045,
"time": 108,
"config": "linux-devel-x86_64",
"r": "4.7.0",
"check": "OK",
"artifact": "13633453375"
},
{
"job": 128856606929,
"time": 117,
"config": "linux-release-x86_64",
"r": "4.6.2",
"check": "OK",
"artifact": "13633871770"
},
{
"job": 128855823620,
"time": 182,
"config": "source",
"r": "4.6.2",
"check": "OK",
"artifact": "13633383433"
},
{
"job": 128856606962,
"time": 99,
"config": "wasm-release",
"r": "4.6.0",
"check": "OK",
"artifact": "13632994082"
},
{
"job": 128856606950,
"time": 71,
"config": "windows-devel-x86_64",
"r": "4.7.0",
"check": "OK",
"artifact": "13633143672"
},
{
"job": 128856606944,
"time": 82,
"config": "windows-release-x86_64",
"r": "4.6.2",
"check": "OK",
"artifact": "13633935798"
}
],
"_buildurl": "https://github.com/r-universe/cran/actions/runs/42521480800",
"_commit": {
"id": "399d350f7568953a62a46b2886303ec31a2b22c8",
"author": "Diogo Ribeiro ",
"committer": "cran-robot ",
"message": "version 0.3.0\n",
"time": 1794167464
},
"_distro": "resolute",
"_host": "GitHub-Actions",
"_registered": true,
"_dependencies": [
{
"package": "R",
"version": ">= 4.2.0",
"role": "Depends"
},
{
"package": "httr2",
"role": "Imports"
},
{
"package": "jsonlite",
"role": "Imports"
},
{
"package": "openssl",
"role": "Imports"
},
{
"package": "testthat",
"version": ">= 3.0.0",
"role": "Suggests"
}
],
"_owner": "cran",
"_selfowned": false,
"_usedby": 0,
"_updates": [
{
"week": "2026-45",
"n": 1
}
],
"_tags": [
{
"name": "0.3.0",
"date": "2026-11-08"
}
],
"_stars": 0,
"_contributors": [
{
"user": "diogoribeiro7",
"count": 1,
"uuid": 15965640
}
],
"_userbio": {
"uuid": 6899542,
"type": "organization",
"name": "cran",
"followers": 636,
"description": "Unofficial read-only mirror of all CRAN R packages"
},
"_downloads": {
"count": 0,
"source": "https://cranlogs.r-pkg.org/downloads/total/last-month/abstractExtractR"
},
"_searchresults": 0,
"_rbuild": "4.6.2",
"_assets": [
"extra/abstractExtractR.html",
"extra/citation.cff",
"extra/citation.html",
"extra/citation.json",
"extra/citation.txt",
"extra/contents.json",
"extra/manual.pdf",
"extra/NEWS.html",
"extra/NEWS.txt",
"LICENSE"
],
"_cranurl": false,
"_releases": [
{
"version": "0.3.0",
"date": "2026-11-08"
}
],
"_exports": [
"append_search_archive",
"Article",
"article_metadata_timeline",
"articles_to_bibtex",
"articles_to_data_frame",
"articles_to_ris",
"assess_article_quality",
"compare_recent_archive_runs",
"compare_search_archive_runs",
"compare_search_history",
"compare_search_snapshots",
"create_search_archive",
"deduplicate_articles",
"enrich_articles_with_crossref",
"export_articles",
"fetch_all_from_scopus",
"fetch_from_crossref",
"fetch_from_openalex",
"fetch_from_scopus",
"get_abstract_from_doi",
"get_abstracts_from_dois",
"list_search_archive_runs",
"new_crossref_cache",
"new_search_plan",
"normalize_doi",
"process_crossref_entries",
"process_crossref_response",
"process_openalex_entries",
"process_openalex_response",
"process_scopus_entries",
"process_scopus_response",
"read_search_archive",
"read_search_archive_run",
"read_search_snapshot",
"reconstruct_openalex_abstract",
"recover_search_archive",
"refresh_search_archive",
"refresh_search_snapshot",
"run_search_plan",
"save_search_snapshot",
"search_articles",
"search_crossref",
"search_openalex",
"search_snapshot_manifest",
"trace_archive_dois",
"verify_search_archive",
"write_search_history_report",
"write_search_manifest"
],
"_help": [
{
"page": "append_search_archive",
"title": "Append an observation to a research archive",
"topics": [
"append_search_archive"
]
},
{
"page": "Article",
"title": "Construct a normalized scholarly article",
"topics": [
"Article"
]
},
{
"page": "article_metadata_timeline",
"title": "Follow scholarly article metadata across archived searches",
"topics": [
"article_metadata_timeline"
]
},
{
"page": "articles_to_bibtex",
"title": "Render article records as BibTeX",
"topics": [
"articles_to_bibtex"
]
},
{
"page": "articles_to_data_frame",
"title": "Convert article records to a data frame",
"topics": [
"articles_to_data_frame"
]
},
{
"page": "articles_to_ris",
"title": "Render article records as RIS citations",
"topics": [
"articles_to_ris"
]
},
{
"page": "assess_article_quality",
"title": "Evaluate structural quality of scholarly article metadata",
"topics": [
"assess_article_quality"
]
},
{
"page": "compare_recent_archive_runs",
"title": "Compare only the most recent archive observations",
"topics": [
"compare_recent_archive_runs"
]
},
{
"page": "compare_search_archive_runs",
"title": "Compare two selected archive observations",
"topics": [
"compare_search_archive_runs"
]
},
{
"page": "compare_search_history",
"title": "Compare a chronological series of literature-search snapshots",
"topics": [
"compare_search_history"
]
},
{
"page": "compare_search_snapshots",
"title": "Compare two literature-search snapshots conservatively",
"topics": [
"compare_search_snapshots"
]
},
{
"page": "create_search_archive",
"title": "Create an append-only research archive from a saved search",
"topics": [
"create_search_archive"
]
},
{
"page": "deduplicate_articles",
"title": "Deduplicate and reconcile scholarly articles using exact DOI identity",
"topics": [
"deduplicate_articles"
]
},
{
"page": "enrich_articles_with_crossref",
"title": "Fill missing article abstracts from Crossref",
"topics": [
"enrich_articles_with_crossref"
]
},
{
"page": "export_articles",
"title": "Export article records to CSV, BibTeX, or RIS",
"topics": [
"export_articles"
]
},
{
"page": "fetch_all_from_scopus",
"title": "Fetch all Scopus results through cursor pagination",
"topics": [
"fetch_all_from_scopus"
]
},
{
"page": "fetch_from_crossref",
"title": "Fetch one page of Crossref bibliographic search results",
"topics": [
"fetch_from_crossref"
]
},
{
"page": "fetch_from_openalex",
"title": "Request one page of OpenAlex works",
"topics": [
"fetch_from_openalex"
]
},
{
"page": "fetch_from_scopus",
"title": "Fetch one page of Scopus search results",
"topics": [
"fetch_from_scopus"
]
},
{
"page": "get_abstract_from_doi",
"title": "Retrieve an abstract from Crossref using its DOI",
"topics": [
"get_abstract_from_doi"
]
},
{
"page": "get_abstracts_from_dois",
"title": "Retrieve a batch of Crossref abstracts by DOI",
"topics": [
"get_abstracts_from_dois"
]
},
{
"page": "list_search_archive_runs",
"title": "List research-archive runs without loading their saved RDS evidence",
"topics": [
"list_search_archive_runs"
]
},
{
"page": "new_crossref_cache",
"title": "Create a reusable in-memory Crossref abstract cache",
"topics": [
"new_crossref_cache"
]
},
{
"page": "new_search_plan",
"title": "Create a reproducible multi-provider search plan",
"topics": [
"new_search_plan"
]
},
{
"page": "normalize_doi",
"title": "Normalize DOI identifiers for equality comparisons",
"topics": [
"normalize_doi"
]
},
{
"page": "process_crossref_entries",
"title": "Normalize raw Crossref works into Article objects",
"topics": [
"process_crossref_entries"
]
},
{
"page": "process_crossref_response",
"title": "Normalize a Crossref works search response",
"topics": [
"process_crossref_response"
]
},
{
"page": "process_openalex_entries",
"title": "Normalize OpenAlex works as Article records",
"topics": [
"process_openalex_entries"
]
},
{
"page": "process_openalex_response",
"title": "Normalize an OpenAlex search response",
"topics": [
"process_openalex_response"
]
},
{
"page": "process_scopus_entries",
"title": "Normalize raw Scopus search entries",
"topics": [
"process_scopus_entries"
]
},
{
"page": "process_scopus_response",
"title": "Normalize a complete Scopus search response",
"topics": [
"process_scopus_response"
]
},
{
"page": "read_search_archive",
"title": "Inspect an existing append-only research archive",
"topics": [
"read_search_archive"
]
},
{
"page": "read_search_archive_run",
"title": "Read a single research-archive observation",
"topics": [
"read_search_archive_run"
]
},
{
"page": "read_search_snapshot",
"title": "Read and validate a previously saved search snapshot",
"topics": [
"read_search_snapshot"
]
},
{
"page": "reconstruct_openalex_abstract",
"title": "Restore an OpenAlex abstract from its inverted index",
"topics": [
"reconstruct_openalex_abstract"
]
},
{
"page": "recover_search_archive",
"title": "Inspect and explicitly clean up interrupted archive staging directories",
"topics": [
"recover_search_archive"
]
},
{
"page": "refresh_search_archive",
"title": "Refresh an archive on demand and append the new search evidence",
"topics": [
"refresh_search_archive"
]
},
{
"page": "refresh_search_snapshot",
"title": "Refresh a literature search and preserve its evidence",
"topics": [
"refresh_search_snapshot"
]
},
{
"page": "run_search_plan",
"title": "Execute a search plan and capture a versioned evidence snapshot",
"topics": [
"run_search_plan"
]
},
{
"page": "save_search_snapshot",
"title": "Persist a search snapshot without overwriting existing evidence",
"topics": [
"save_search_snapshot"
]
},
{
"page": "search_articles",
"title": "Search Scopus, Crossref, and OpenAlex with provenance",
"topics": [
"search_articles"
]
},
{
"page": "search_crossref",
"title": "Discover articles from Crossref without known DOIs",
"topics": [
"search_crossref"
]
},
{
"page": "search_openalex",
"title": "Discover scholarly articles from OpenAlex",
"topics": [
"search_openalex"
]
},
{
"page": "search_snapshot_manifest",
"title": "Summarize a scholarly search as a structured manifest",
"topics": [
"search_snapshot_manifest"
]
},
{
"page": "trace_archive_dois",
"title": "Trace DOI observations across a research archive",
"topics": [
"trace_archive_dois"
]
},
{
"page": "verify_search_archive",
"title": "Inspect checksums and interrupted writes in a research archive",
"topics": [
"verify_search_archive"
]
},
{
"page": "write_search_history_report",
"title": "Export an auditable search-history report to CSV files",
"topics": [
"write_search_history_report"
]
},
{
"page": "write_search_manifest",
"title": "Write a structured JSON search manifest",
"topics": [
"write_search_manifest"
]
}
],
"_rundeps": [
"askpass",
"cli",
"curl",
"glue",
"httr2",
"jsonlite",
"lifecycle",
"magrittr",
"openssl",
"R6",
"rlang",
"sys",
"vctrs",
"withr"
],
"_score": 1,
"_indexed": true,
"_nocasepkg": "abstractextractr",
"_universes": [
"cran",
"diogoribeiro7"
],
"_binaries": [
{
"r": "4.7.0",
"os": "linux",
"version": "0.3.0",
"date": "2026-11-08T20:47:19.000Z",
"distro": "resolute",
"commit": "399d350f7568953a62a46b2886303ec31a2b22c8",
"fileid": "https://r2.ropensci.org/9da9d4f62f9f74e3fb5fffb85f0fa3158bb7402f0774dab26d7d74cc03bce287",
"status": "success",
"check": "OK",
"buildurl": "https://github.com/r-universe/cran/actions/runs/42521480800"
},
{
"r": "4.6.2",
"os": "linux",
"version": "0.3.0",
"date": "2026-11-08T20:47:31.000Z",
"distro": "resolute",
"commit": "399d350f7568953a62a46b2886303ec31a2b22c8",
"fileid": "https://r2.ropensci.org/94fad7f1aa895c2a7a52965fa06bb699855acc18258c8e674e7dc934d97c7262",
"status": "success",
"check": "OK",
"buildurl": "https://github.com/r-universe/cran/actions/runs/42521480800"
},
{
"r": "4.6.0",
"os": "wasm",
"version": "0.3.0",
"date": "2026-11-08T20:47:28.000Z",
"commit": "399d350f7568953a62a46b2886303ec31a2b22c8",
"fileid": "https://r2.ropensci.org/67f952c5169074f6bb1f52f5510c1b52b53262c9d500f15666b2f423cfff508d",
"status": "success",
"buildurl": "https://github.com/r-universe/cran/actions/runs/42521480800"
},
{
"r": "4.7.0",
"os": "win",
"version": "0.3.0",
"date": "2026-11-08T20:46:33.000Z",
"commit": "399d350f7568953a62a46b2886303ec31a2b22c8",
"fileid": "https://r2.ropensci.org/ae4c6e810524f4442cd1c6fa93191948cd5615f54e7ed195b7b6a288d327d9b8",
"status": "success",
"check": "OK",
"buildurl": "https://github.com/r-universe/cran/actions/runs/42521480800"
},
{
"r": "4.6.2",
"os": "win",
"version": "0.3.0",
"date": "2026-11-08T20:46:39.000Z",
"commit": "399d350f7568953a62a46b2886303ec31a2b22c8",
"fileid": "https://r2.ropensci.org/7e304bd64ef571305acb5f56cc8e0a2a92acbf16f2c9be2bd851d1e8bede4750",
"status": "success",
"check": "OK",
"buildurl": "https://github.com/r-universe/cran/actions/runs/42521480800"
}
]
}