7576 search results - page 326 / 1516 » On Querying Ontologies and Databases |
139
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FOIS
2008
15 years 8 months ago
2008
Many geographic terms, such as "river" and "lake", are vague, with no clear boundaries of application. In particular, the spatial extent of such features is oft...
207
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GIR
2006
ACM
16 years 23 days ago
2006
ACM
This paper proposes simple techniques for handling place references in search engine queries, an important aspect of geographical information retrieval. We address not only the de...
210
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APPT
2003
Springer
16 years 1 days ago
2003
Springer
The increase number of mobile users in wireless environment affects query access time substantially. To minimise the query access time, one possible way is to employ data broadcast...
303
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
287
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ICDE
2001
IEEE
16 years 8 months ago
2001
IEEE
Due to the ubiquity and popularity of XML, users often are in the following situation: they want to query XML documents which contain potentially interesting information but they ...