links.bulk.csv

Using a web scraper, we checked the status of internet links detected in scientific papers.<br><br>The data schema is detailed below:<br>* type - In which part of the manuscript the link was found.<br>* journal - Title of the journal where the paper was published.<br>* id - Pubmed's primary identifier for the paper.<br>* year - When the paper was published.<br>* link - URL parsed from the manuscript text.<br>* code - HTTP/FTP status code returned when trying to access the URL. (-1 indicates a timeout.)<br>* flag.uniqueness - Whether the link appears only once in the data. '0' means it is unique.<br>* newtest - The protocol used to determine the status code in our revised pipeline. Only listed for links that were reevaluated.<br>* oldcode - The status recorded for this link prior to the pipeline revision. Only listed for links that were reevaluated.