27756 search results - page 483 / 5552 » Process Query Systems |
DFG
1987
Springer
15 years 9 months ago
1987
Springer
156
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ISDA
2009
IEEE
16 years 24 days 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...
195
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SIGIR
2009
ACM
16 years 20 days ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
163
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SEBD
1996
15 years 7 months ago
1996
Abstract. To select an optimal query evaluation strategy for a path query in an object-oriented database system one has to exploit the available index structures on the path. In a ...