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SASO
2008
IEEE
14 years 3 months ago
Integer Gradient for Cellular Automata: Principle and Examples
—When programming a spatial computing medium such as a cellular automaton, the hop count distance to some set of sources (particles) is an often used information. In particular, ...
Luidnel Maignan, Frédéric Gruau
BTW
2007
Springer
136views Database» more  BTW 2007»
14 years 3 months ago
System P: Completeness-driven Query Answering in Peer Data Management Systems
Abstract: Peer data management systems (PDMS) are a highly dynamic, decentralized infrastructure for large-scale data integration. They consist of a dynamic set of autonomous peers...
Armin Roth, Felix Naumann
VLDB
2004
ACM
106views Database» more  VLDB 2004»
14 years 2 months ago
Structures, Semantics and Statistics
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...
Alon Y. Halevy
COMPGEOM
2003
ACM
14 years 2 months ago
The smallest enclosing ball of balls: combinatorial structure and algorithms
We develop algorithms for computing the smallest enclosing ball of a set of n balls in d-dimensional space. Unlike previous methods, we explicitly address small cases (n ≤ d + 1...
Kaspar Fischer, Bernd Gärtner
DAWAK
2001
Springer
14 years 1 months ago
Matchmaking for Structured Objects
A fundamental task in multi-agent systems is matchmaking, which is to retrieve and classify service descriptions of agents that (best) match a given service request. Several approa...
Thomas Eiter, Daniel Veit, Jörg P. Mülle...