Sciweavers

2635 search results - page 376 / 527
» Algorithms for the Database Layout Problem
Sort
View
152
Voted
VLDB
2005
ACM
129views Database» more  VLDB 2005»
15 years 10 months ago
Sketching Streams Through the Net: Distributed Approximate Query Tracking
Emerging large-scale monitoring applications require continuous tracking of complex dataanalysis queries over collections of physicallydistributed streams. Effective solutions hav...
Graham Cormode, Minos N. Garofalakis
VLDB
2005
ACM
175views Database» more  VLDB 2005»
15 years 10 months ago
Catching the Best Views of Skyline: A Semantic Approach Based on Decisive Subspaces
The skyline operator is important for multicriteria decision making applications. Although many recent studies developed efficient methods to compute skyline objects in a specifi...
Jian Pei, Wen Jin, Martin Ester, Yufei Tao
152
Voted
WIDM
2004
ACM
15 years 10 months ago
XPath lookup queries in P2P networks
We address the problem of querying XML data over a P2P network. In P2P networks, the allowed kinds of queries are usually exact-match queries over file names. We discuss the exte...
Angela Bonifati, Ugo Matrangolo, Alfredo Cuzzocrea...
174
Voted
ARGMAS
2004
Springer
15 years 10 months ago
An Argument-Based Framework to Model an Agent's Beliefs in a Dynamic Environment
Abstract. One of the most difficult problems in multiagent systems involves representing knowledge and beliefs of agents in dynamic environments. New perceptions modify an agent’...
Marcela Capobianco, Carlos Iván Chesñ...
140
Voted
PAKDD
2004
ACM
83views Data Mining» more  PAKDD 2004»
15 years 10 months ago
Providing Diversity in K-Nearest Neighbor Query Results
Abstract. Given a point query Q in multi-dimensional space, K-Nearest Neighbor (KNN) queries return the K closest answers in the database with respect to Q. In this scenario, it is...
Anoop Jain, Parag Sarda, Jayant R. Haritsa