1611 search results - page 189 / 323 » Supporting Exploratory Queries in Databases |
130
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GIS
1997
ACM
15 years 7 months ago
1997
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involve...
158
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OWLED
2008
15 years 5 months ago
2008
Abstract. We present Owlgres, a DL-Lite reasoner implementation written for PostgreSQL, a mature open source database. Owlgres is an OWL reasoner that provides consistency checking...
211
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
In response to the widespread use of the XML format for document representation and message exchange, major database vendors support XML in terms of persistence, querying and inde...
137
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CSUR
1998
15 years 3 months ago
1998
Search operations in databases require some special support at the physical level. This is true for conventional databases as well as for spatial databases, where typical search o...
168
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GIS
2010
ACM
15 years 1 months ago
2010
ACM
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...