376 search results - page 22 / 76 » Semantics and Evaluation of Top-k Queries in Probabilistic D... |
ICPR
2002
IEEE
14 years 9 months ago
2002
IEEE
This paper proposes a novel view of the information generated by relevance feedback. Latent semantic analysis is adapted to this view to extract useful inter-query information. Th...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Mediator-based data integration systems resolve exploratory queries by joining data elements across sources. In the presence of uncertainties, such multiple expansions can quickly ...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...
ICDT
2010
ACM
13 years 10 months ago
2010
ACM
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
on Uncertain Data (Extended Abstract) Ming Hua Jian Pei Wenjie Zhang Xuemin Lin Simon Fraser University, Canada The University of New South Wales & NICTA {mhua, jpei}@cs.sfu.c...