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ICDE
2008
IEEE
194views Database» more  ICDE 2008»
14 years 11 months ago
P-Cube: Answering Preference Queries in Multi-Dimensional Space
Many new applications that involve decision making need online (i.e., OLAP-styled) preference analysis with multidimensional boolean selections. Typical preference queries includes...
Dong Xin, Jiawei Han
DATESO
2010
153views Database» more  DATESO 2010»
13 years 8 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
13 years 1 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
14 years 13 days 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»
14 years 10 months ago
Answering Queries Using Views with Arithmetic Comparisons
Foto N. Afrati, Chen Li, Prasenjit Mitra