396 search results - page 21 / 80 » Semantic Optimization of Preference Queries |
OWLED
2007
13 years 9 months ago
2007
Fuzzy Description Logics (Fuzzy DLs) and fuzzy OWL have been proposed as languages able to represent and reason about imprecise and vague knowledge. Such extensions have gained con...
TKDE
2008
13 years 7 months ago
2008
A major problem of current Web search is that search queries are usually short and ambiguous, and thus are insufficient for specifying the precise user needs. To alleviate this pro...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...
ICWS
2008
IEEE
13 years 9 months ago
2008
IEEE
In this work, we present a framework for the semantic composition of web services based on Statecharts and uniform community service descriptions. Our model is a two step process....
IDEAS
2006
IEEE
14 years 1 months ago
2006
IEEE
Unlike numerical preferences, preferences on attribute values do not show an inherent total order, but skyline computation has to rely on partial orderings explicitly stated by th...