1418 search results - page 244 / 284 » A Theory of Stream Queries |
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
We propose a class of constraints, referred to as conditional functional dependencies (CFDs), and study their applications in data cleaning. In contrast to traditional functional ...
ICDE
1997
IEEE
14 years 10 months ago
1997
IEEE
In recent years, research about distributing databases over networks has become increasingly important. Here we concentrate on the issues of interoperability of heterogeneous DBMS...
ICPR
2002
IEEE
14 years 10 months ago
2002
IEEE
Statistical modeling for content based retrieval is examined in the context of recent TREC Video benchmark exercise. The TREC Video exercise can be viewed as a test bed for evalua...
GIS
2004
ACM
14 years 10 months ago
2004
ACM
In the geometric data model [6], spatio-temporal data are modelled as a finite collection of triangles that are transformed by time-dependent affinities. To facilitate querying an...
ICML
2008
IEEE
14 years 9 months ago
2008
IEEE
This paper is concerned with the generalization ability of learning to rank algorithms for information retrieval (IR). We point out that the key for addressing the learning proble...