6905 search results - page 437 / 1381 » Querying Multidimensional Databases |
162
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CIKM
1998
Springer
15 years 11 months ago
1998
Springer
In this paper, a signature file method for indexing document database systems is presented. For this purpose, the concept of presentative word hierarchy is introduced, based on whi...
169
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
Web search engines often federate many user queries to relevant structured databases. For example, a product related query might be federated to a product database containing thei...
154
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PVLDB
2010
15 years 5 months ago
2010
We propose the k-representative regret minimization query (k-regret) as an operation to support multi-criteria decision making. Like top-k, the k-regret query assumes that users h...
188
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
In this paper, we describe a scheme for tolerating and recovering from mid-query faults in a distributed shared nothing database. Rather than aborting and restarting queries, our s...
219
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PVLDB
2008
15 years 6 months ago
2008
Supporting graceful schema evolution represents an unsolved problem for traditional information systems that is further exacerbated in web information systems, such as Wikipedia a...