2121 search results - page 231 / 425 » Indexing Incomplete Databases |
188
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ISCI
2000
15 years 6 months ago
2000
Data Quality has many dimensions one of which is accuracy. Accuracy is usually compromised by errors accidentally or intensionally introduced in a database system. These errors re...
209
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JAPLL
2010
15 years 5 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
266
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
We identify and formalize a novel join operator for two spatial pointsets P and Q. The common influence join (CIJ) returns the pairs of points (p, q), p P, q Q, such that there e...
237
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
The problem of frequently updating multi-dimensional indexes arises in many location-dependent applications. While the R-tree and its variants are one of the dominant choices for ...
273
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
Semantic caching enables mobile clients to answer spatial queries locally by storing the query descriptions together with the results. However, it supports only a limited number o...