![Data management / Web services / Query languages / RDF / Knowledge representation / Ontology / Conjunctive query / SPARQL / Datalog / Computing / Information / Semantic Web Data management / Web services / Query languages / RDF / Knowledge representation / Ontology / Conjunctive query / SPARQL / Datalog / Computing / Information / Semantic Web](https://www.pdfsearch.io/img/28a65146e81bfe2cca51b24ce73b75f6.jpg) Date: 2010-09-17 10:32:27Data management Web services Query languages RDF Knowledge representation Ontology Conjunctive query SPARQL Datalog Computing Information Semantic Web | | Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources Yingjie Li and Jeff Heflin Department of Computer Science and Engineering, Lehigh University 19 Memorial Dr. West, Bethlehem, PA 18015,Add to Reading ListSource URL: swat.cse.lehigh.eduDownload Document from Source Website File Size: 341,67 KBShare Document on Facebook
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