8763 search results - page 155 / 1753 » Querying Database Knowledge |
107
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WEBI
2007
Springer
15 years 10 months ago
2007
Springer
In this paper, we propose document-centric query answering, a novel form of query answering for the Semantic Web. We discuss how we have built a knowledge base system to support t...
170
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JIDM
2010
14 years 11 months ago
2010
The increasing volume of data stored as XML documents makes fragmentation techniques an alternative to the performance issues in query processing. Fragmented databases are feasible...
137
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
In this paper we address the problem of ensuring the correctness of query results returned by an untrusted private database. The database owns the data and may modify it at any ti...
141
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ICDE
2007
IEEE
15 years 10 months ago
2007
IEEE
Most database query optimizers use cost models to identify good query execution plans. Inaccuracies in the cost models can cause query optimizers to select poor plans. In this pap...
144
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EDBT
2006
ACM
16 years 4 months ago
2006
ACM
Abstract. We describe the construction of a generic natural language query interface to an XML database. Our interface can accept an arbitrary English sentence as a query, which ca...