Validity Information Retrieval for Spatio-Temporal Queries: Theoretical Performance Bounds Yufei Tao, Nikos Mamoulis, and Dimitris Papadias   View Paper (PDF)   Return to Advanced Query Processing BIBTEX spage=159},    crossref  = {conf/ssd/2003},    bibsource = {DBLP, http://dblp.uni-trier.de}   } ©2005 Association for Computing Machinery