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» Inferring Answers to Queries
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DATESO
2010
153views Database» more  DATESO 2010»
14 years 12 months ago
Answering Metric Skyline Queries by PM-tree
Abstract. The task of similarity search in multimedia databases is usually accomplished by range or k nearest neighbor queries. However, the expressing power of these "single-...
Tomás Skopal, Jakub Lokoc
DLOG
2011
14 years 5 months ago
Query Answering over SROIQ Knowledge Bases with SPARQL
W3C currently extends the SPARQL query language with so-called entailment regimes, which define how queries are evaluated using logical entailment relations. We describe a sound a...
Ilianna Kollia, Birte Glimm, Ian Horrocks
DLOG
2007
15 years 4 months ago
Conjunctive Query Entailment for SHOQ
An important reasoning task, in addition to the standard DL reasoning services, is conjunctive query answering. In this paper, we present a decision procedure for conjunctive query...
Birte Glimm, Ian Horrocks, Ulrike Sattler
PODS
2002
ACM
125views Database» more  PODS 2002»
16 years 2 months ago
Answering Queries Using Views with Arithmetic Comparisons
Foto N. Afrati, Chen Li, Prasenjit Mitra
DAMON
2008
Springer
15 years 3 months ago
CAM conscious integrated answering of frequent elements and top-k queries over data streams
Frequent elements and top-k queries constitute an important class of queries for data stream analysis applications. Certain applications require answers for both frequent elements...
Sudipto Das, Divyakant Agrawal, Amr El Abbadi