796 search results - page 69 / 160 » A Formalization of ODMG Queries |
184
Voted
AAAI
2006
15 years 7 months ago
2006
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
166
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WWW
2008
ACM
15 years 6 months ago
2008
ACM
A geographic search request contains a query consisting of one or more keywords, and a search-location that the user searches for. In this paper, we study the problem of discoveri...
214
Voted
WWW
2002
ACM
16 years 6 months ago
2002
ACM
Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the managementof large volumes of metadata, i.e., information describing the available ...
168
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SIGMOD
2002
ACM
16 years 6 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...
157
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...