Semantics preserving SQL-to-SPARQL query translation for Nested Right and Left Outer Join

Journal of Applied Research and Technology - Tập 15 - Trang 504-512 - 2017
Nassima Soussi1, Mohamed Bahaj1
1Hassan 1st University, Faculty of Science and Technologies/Department of Mathematics & Computer Science, Settat, Morocco

Tài liệu tham khảo

Alaoui, 2015, SQL to SPARQL mapping for RDF querying based on a new Efficient Schema Conversion Technique, International Journal of Engineering Research and Technology, 4 Antal, M., & Anechitei, D. SQL2SPARQL [PDF document]. Retrieved from Lecture Notes Online Web Site: http://studylib.net/doc/7084652/sql2sparql. Atre, 2015, Left bit right: For SPARQL join queries with OPTIONAL patterns (left-outer-joins), 1793 Chebotko, 2009, Semantics preserving SPARQL-to-SQL translation, Data & Knowledge Engineering, 68, 973, 10.1016/j.datak.2009.04.001 Harris, 2013, 21 Rachapalli, 2009 Ramanujam, 2009, A relational wrapper for RDF reification, 196 Ramanujam, 2009, R2D: A bridge between the semantic web and relational visualization tools, 303 Rodriguez-Muro, 2015, Efficient SPARQL-to-SQL with R2RML mappings, Web Semantics: Science, Services and Agents on the World Wide Web, 33, 141, 10.1016/j.websem.2015.03.001 Singh, 2014, Time based query comparison of relational database and resource description framework (RDF), International Journal of Advanced Research in Computer Science and Software Engineering, 4 SQL Grammar. Retrieved from http://www.h2database.com/html/grammar.html#select. Vertan, 2004 Kumar, 2011, A comprehensive comparative study of SPARQL and SQL, International Journal of Computer Science and Information Technologies, 2, 1706