2514 search results - page 324 / 503 » On the Computation of Approximations of Database Queries |
287
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
The paper proposes an extension of CFDs [1], referred to as extended Conditional Functional Dependencies (eCFDs). In contrast to CFDs, eCFDs specify patterns of semantically relate...
290
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ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
We are interested in capturing time series generated by small wireless electronic sensors. Battery-operated sensors must avoid heavy use of their wireless radio which is a key cau...
186
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ISBI
2004
IEEE
16 years 7 months ago
2004
IEEE
A new approach is presented for partitioning an image database by classifying and indexing the convex hull shapes and the number of region concavities. The result is a significant...
170
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...
167
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EDBT
2008
ACM
16 years 7 months ago
2008
ACM
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...