2145 search results - page 187 / 429 » Pattern-Based Query Answering |
154
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ICDCS
1996
IEEE
15 years 10 months ago
1996
IEEE
Access to large numbers of data sources introduces new problems for users of heterogeneous distributed databases. End users and application programmers must deal with unavailable ...
229
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ICDE
2011
IEEE
14 years 9 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
179
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WISE
2009
Springer
16 years 3 months ago
2009
Springer
ct One significant effort towards combining the virtues of Web search, viz. being accessible to untrained users and able to cope with vastly heterogeneous data, with those of dat...
162
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CIKM
2007
Springer
16 years 10 days ago
2007
Springer
XML query languages typically allow the specification of structural patterns of elements. Finding the occurrences of such patterns in an XML tree is the key operation in XML quer...
196
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CLEF
2007
Springer
16 years 10 days ago
2007
Springer
In this paper, we propose a pseudo-relevance feedback method to deal with the photographic retrieval and medical retrieval tasks of ImageCLEF 2007. The aim of our participation to...