Heritage 4 ? A 4D Cultural Heritage Management System, 15th Int. Conf. on Virtual Systems and Multimedia VSMM09, 2009. ,
SPARQL Geo Extensions, 2006. ,
Analyzing theme, space, and time, Proceedings of the 14th annual ACM international symposium on Advances in geographic information systems , GIS '06, pp.147-154, 2006. ,
DOI : 10.1145/1183471.1183496
A hybrid approach for searching in the semantic web, Proceedings of the 13th conference on World Wide Web , WWW '04, pp.374-383, 2004. ,
DOI : 10.1145/988672.988723
Automatic computation of semantic proximity using taxonomic knowledge, Proc. 15th ACM Int. Conf. on Information and Knowledge Management. CIKM '06, pp.465-474, 2006. ,
DOI : 10.1145/1183614.1183682