Source http://dblp.uni-trier.de/rec/bibtex/conf/icde/LudascherN04
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A list of all pages that have property "Source" with value "http://dblp.uni-trier.de/rec/bibtex/conf/icde/LudascherN04"- Web service composition through declarative queries: the case of conjunctive queries with union and negation +
