726 search results - page 99 / 146 » Extended Query Answering Using Integrity Rules |
ICDT
2010
ACM
14 years 6 months ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
DGO
2004
13 years 10 months ago
2004
This paper describes a Web-based query system for semantically heterogeneous government-produced data. Geospatial Web-based information systems and portals are currently being dev...
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
Current search engines can hardly cope adequately with fuzzy predicates defined by complex preferences. The biggest problem of search engines implemented with standard SQL is that...
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
TCBB
2008
13 years 8 months ago
2008
Abstract-- The trans-genomic query (TGQ) problem -- enabling the free query of biological information, even across genomes -- is a central challenge facing bioinformatics. Solution...