7576 search results - page 347 / 1516 » On Querying Ontologies and Databases |
293
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VLDB
2001
ACM
16 years 7 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
217
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DASFAA
2007
IEEE
16 years 1 months ago
2007
IEEE
Nearest-neighbor queries are an important query type for commonly used feature databases. In many different application areas, e.g. sensor databases, location based services or fac...
175
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ICDT
2005
ACM
16 years 10 days ago
2005
ACM
The existence of a language expressing precisely the PTIME queries on arbitrary structures remains the central open problem in the theory of database query languages. As it turns o...
188
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ADC
2003
Springer
16 years 2 days ago
2003
Springer
Semistructured data, in particular XML, has emerged as one of the primary means for information exchange and content management. The power of XML allows authors to structure a doc...
158
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VLDB
1992
ACM
15 years 11 months ago
1992
ACM
New challenges to the database field brought about by the rapidly growing area of wireless personal communication are presented. Preliminary solutions to two of the major problems...