331 search results - page 42 / 67 » A framework for selective query expansion |
DASFAA
2004
IEEE
15 years 1 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...
SDM
2003
SIAM
14 years 11 months ago
2003
SIAM
In earlier work we have introduced and explored a variety of different probabilistic models for the problem of answering selectivity queries posed to large sparse binary data set...
SIGMOD
1999
ACM
15 years 2 months ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
This paper presents a study of three statistical query translation models that use different units of translation. We begin with a review of a word-based translation model that us...
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SSDBM
2002
IEEE
15 years 2 months ago
2002
IEEE
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...