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DLT
2006
14 years 11 months ago
Well-Founded Semantics for Boolean Grammars
Abstract. Boolean grammars [A. Okhotin, Information and Computation 194 (2004) 19-48] are a promising extension of context-free grammars that supports conjunction and negation. In ...
Vassilis Kountouriotis, Christos Nomikos, Panos Ro...
GEOINFO
2003
14 years 11 months ago
Efficient Query Processing on the Relational Quadtree
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
PARMA
2004
174views Database» more  PARMA 2004»
14 years 11 months ago
Fuzzy Miner - A Fuzzy System for Solving Pattern Classification Problems
The purpose of this paper is to study the problem of pattern classification as this is presented in the context of data mining. Among the various approaches we focus on the use of ...
Nikos Pelekis, Babis Theodoulidis, Ioannis Kopanak...
ICMAS
2000
14 years 11 months ago
Justifying Multiply Sectioned Bayesian Networks
We consider multiple agents who's task is to determine the true state of a uncertain domain so they can act properly. If each agent only has partial knowledge about the domai...
Yang Xiang, Victor R. Lesser
FORTE
1994
14 years 11 months ago
Four issues concerning the semantics of Message Flow Graphs
We discuss four issues concerning the semantics of Message Flow Graphs (MFGs). MFGs are extensively used as pictures of message-passing behavior. One type of MFG, Message Sequence...
Peter B. Ladkin, Stefan Leue