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 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,...