6746 search results - page 458 / 1350 » Multimodal Database Query |
189
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Given a positive value r, a circular range query returns the objects that lie within the distance r of the query location. In this paper, we study the circular range queries that c...
187
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EDBT
2010
ACM
15 years 9 months ago
2010
ACM
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
197
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
259
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ICDE
2004
IEEE
16 years 7 months ago
2004
IEEE
We describe and evaluate a query minimization technique that applies to XQueries, which are nested, perform arbitrary joins, and freely mix bag and set semantics. These features c...
192
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PODS
2002
ACM
16 years 6 months ago
2002
ACM
In this overview paper we motivate the need for and research issues arising from a new model of data processing. In this model, data does not take the form of persistent relations...