335 search results - page 42 / 67 » A sampling approach for XML query selectivity estimation |
COLT
2006
Springer
13 years 11 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
14 years 9 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
14 years 28 days 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
13 years 11 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...
DASFAA
2004
IEEE
13 years 11 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...