110
110
Jun 4, 2018
06/18
by
Internet Archive Web Group
software
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This item contains re-compiled .jar files for JVM (Java, Scala, etc) software packages used by the archive's "sandcrawler" journal ingest pipeline.
Data-munged title-level metadata combined from: DOAJ, ROAD, Norwegian Register, and Internet Archive crawled metadata. See SOURCES.md for URLs of upstream metadata, and ISSN_matching.html for Jupyter notebook used to derive this dataset.
14.3M
14M
Jul 17, 2018
07/18
by
Internet Archive Web Group
Web archive data from a crawl of open access PDF URLs provided by Unpaywall.
6,472
6.5K
May 7, 2018
05/18
by
Internet Archive Web Group
This collection contains web crawl data for a random selection of 500k (0.5 million) Crossref DOI redirects, including the doi.org redirect requests. The intent of this crawl is to gather loose statistics on the number of failing redirects, number of host websites that block automated crawling, and a corpus of HTML landing pages for metadata extraction (eg, "signposting" HTTP headers, linked data HTML metadata, semantic markup). Total size of (uncompressed) WARC data is 50 GB,...
This item contains output files related to the DOI-LANDING-CRAWL-2018-06 crawl of Crossref DOI redirect landing pages: - list of Crossref DOI numbers attempted - an index of DOI, URL, and final HTTP status codes
This is a mapping between: - DOIs (Crossref) - PubMed PMID and PMCID (NIH) - CORE record identifier (core.ac.uk) - Wikidata QIDs See README and scripts for details.
See also the crawl logs item for this crawl.
3.2M
3.2M
Jun 1, 2018
06/18
by
Internet Archive Web Group
1.5M
1.5M
Oct 31, 2018
10/18
by
Internet Archive Web Group
Crawl of "upstream" URLs from CORE (core.ac.uk) metadata dump. Only a partial seedlist of files crawled.
10.6M
11M
Apr 9, 2018
04/18
by
Internet Archive Web Group
