505 search results - page 42 / 101 » Queries with Incomplete Answers over Semistructured Data |
182
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
Adaptivity is a challenging open issue in data stream management. In this paper, we tackle the problem of memory adaptivity inside a system executing temporal sliding window queri...
VLDB
1998
ACM
15 years 4 months ago
1998
ACM
DTL's DataSpot is a database publishing tool that enables non-technical end users to explore a database using free-form plain language queries combined with hypertext navigat...
156
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SSD
2007
Springer
15 years 6 months ago
2007
Springer
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
129
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BTW
2005
Springer
15 years 5 months ago
2005
Springer
Abstract: Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema,...
196
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SIGMOD
2006
ACM
15 years 12 months ago
2006
ACM
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...