335 search results - page 42 / 67 » A sampling approach for XML query selectivity estimation |
COLT
2006
Springer
15 years 3 months ago
2006
Springer
Abstract. We present a unified and complete account of maximum entropy distribution estimation subject to constraints represented by convex potential functions or, alternatively, b...
ICIP
2003
IEEE
16 years 1 months ago
2003
IEEE
In this paper, we evaluate and investigate two main types of relevance feedback algorithms; the Euclidean and the correlation?based approaches. In the first case, we examine heuri...
SIGIR
2003
ACM
15 years 4 months ago
2003
ACM
Information retrieval system evaluation is complicated by the need for manually assessed relevance judgments. Large manually-built directories on the web open the door to new eval...
COOPIS
2004
IEEE
15 years 3 months ago
2004
IEEE
Querying and integrating sources of structured data from the Web in most cases requires similarity-based concepts to deal with data level conflicts. This is due to the often errone...
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DASFAA
2004
IEEE
15 years 3 months ago
2004
IEEE
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...