586 search results - page 54 / 118 » Answering Multiple-Item Queries in Data Broadcast Systems |
106
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ISDA
2009
IEEE
15 years 8 months ago
2009
IEEE
In this paper, we discuss the the role of the retrieval component in an TREC style opinion question answering system. Since blog retrieval differs from traditional ad-hoc document...
224
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ICDE
2003
IEEE
16 years 2 months ago
2003
IEEE
Intuitively, data management and data integration tools should be well-suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two sign...
132
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CIKM
2009
Springer
15 years 8 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
107
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KDD
1994
ACM
15 years 5 months ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
139
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CIKM
2011
Springer
14 years 1 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...