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ICDE
2004
IEEE
88views Database» more  ICDE 2004»
16 years 2 months ago
Group Nearest Neighbor Queries
Given two sets of points P and Q, a group nearest neighbor (GNN) query retrieves the point(s) of P with the smallest sum of distances to all points in Q. Consider, for instance, t...
Dimitris Papadias, Qiongmao Shen, Yufei Tao, Kyria...
WEBDB
2007
Springer
128views Database» more  WEBDB 2007»
15 years 7 months ago
Supporting Range Queries on Web Data Using k-Nearest Neighbor Search
A large volume of geospatial data is available on the web through various forms of applications. However, access to these data is limited by certain types of queries due to restric...
Wan D. Bae, Shayma Alkobaisi, Seon Ho Kim, Sada Na...
ADBIS
2005
Springer
107views Database» more  ADBIS 2005»
15 years 6 months ago
Data Integration Using DataPile Structure
Abstract. One of the areas of data integration covers systems that maintain coherence among a heterogeneous set of databases. Such a system repeatedly collects data from the local ...
David Bednárek, David Obdrzálek, Jak...
JELIA
2004
Springer
15 years 6 months ago
Hierarchical Decision Making by Autonomous Agents
Abstract. Often, decision making involves autonomous agents that are structured in a complex hierarchy, representing e.g. authority. Typically the agents share the same body of kno...
Stijn Heymans, Davy Van Nieuwenborgh, Dirk Vermeir
COCOA
2008
Springer
15 years 2 months ago
New Algorithms for k-Center and Extensions
The problem of interest is covering a given point set with homothetic copies of several convex containers C1,...,Ck, while the objective is to minimize the maximum over the dilatat...
René Brandenberg, Lucia Roth