A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is
The SPARQL 1.1 Query Language  permits patterns inside FILTER expressions using the EXISTS construct, specified by using substitution. Substitution destroys some of the aspects of SPARQL that make it suitable as a data access language. As well, substitution causes problems in the SPARQL algebra and produces counterintuitive results. Fixing the problems with EXISTS is best done with a completely different definition that does not use substitution at all. EXISTS is used inside FILTERdblp:conf/semweb/Patel-Schneider16 fatcat:m6dhvcbvprbltn3yzwfjklriwq