651 search results - page 64 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
DASFAA
2005
IEEE
14 years 2 months ago
2005
IEEE
Peer-to-peer (P2P) computing is gaining more and more significance due to its widespread use currently and potential deployments in future applications. In this paper, we propose ...
SSD
2007
Springer
14 years 3 months ago
2007
Springer
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
SDM
2003
SIAM
13 years 10 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...
VLDB
1992
ACM
14 years 1 months ago
1992
ACM
This paper considers the problem of adding list as a type constructor to an object-oriented data model. In particular, we are concerned with how lists in a database can be constru...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between score and uncertainty makes traditio...