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LPNMR
2005
Springer
15 years 5 months ago
Some Logical Properties of Nonmonotonic Causal Theories
The formalism of nonmonotonic causal theories (Giunchiglia, Lee, Lifschitz, McCain, Turner, 2004) provides a general-purpose formalism for nonmonotonic reasoning and knowledge repr...
Marek J. Sergot, Robert Craven
SEMWEB
2005
Springer
15 years 5 months ago
Preferential Reasoning on a Web of Trust
Abstract. We introduce a framework, based on logic programming, for preferential reasoning with agents on the Semantic Web. Initially, we encode the knowledge of an agent as a logi...
Stijn Heymans, Davy Van Nieuwenborgh, Dirk Vermeir
SPIRE
2005
Springer
15 years 5 months ago
Cache-Conscious Collision Resolution in String Hash Tables
In-memory hash tables provide fast access to large numbers of strings, with less space overhead than sorted structures such as tries and binary trees. If chains are used for collis...
Nikolas Askitis, Justin Zobel
VLDB
2005
ACM
104views Database» more  VLDB 2005»
15 years 5 months ago
Approximate Matching of Hierarchical Data Using pq-Grams
When integrating data from autonomous sources, exact matches of data items that represent the same real world object often fail due to a lack of common keys. Yet in many cases str...
Nikolaus Augsten, Michael H. Böhlen, Johann G...
WEBDB
2005
Springer
132views Database» more  WEBDB 2005»
15 years 5 months ago
XFrag: A Query Processing Framework for Fragmented XML Data
Data fragmentation offers various attractive alternatives to organizing and managing data, and presents interesting characteristics that may be exploited for efficient processing...
Sujoe Bose, Leonidas Fegaras