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LICS
1991
IEEE
13 years 8 months ago
Defaults and Revision in Structured Theories
Starting from a logic which speci es how to make deductions from a set of sentences (a ` at theory'), a way to generalise this toa partiallyordered bag ofsentences (a `struct...
Mark Ryan
PODS
2004
ACM
158views Database» more  PODS 2004»
14 years 4 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
FLAIRS
2003
13 years 6 months ago
Optimal Approach for Temporal Patterns Discovery
This paper presents new technique for discovering temporal patterns when considered primitives are intervals. Apriori technique is the most used one to deal with temporal patterns...
Khellaf Bouandas, Aomar Osmani
APN
2011
Springer
12 years 8 months ago
On the Origin of Events: Branching Cells as Stubborn Sets
In prime event structures with binary conflicts (pes-bc)3 a branching cell [1] is a subset of events closed under downward causality and immediate conflict relations. This means ...
Henri Hansen, Xu Wang
CIKM
2007
Springer
13 years 11 months ago
Evaluation of partial path queries on xml data
XML query languages typically allow the specification of structural patterns of elements. Finding the occurrences of such patterns in an XML tree is the key operation in XML quer...
Stefanos Souldatos, Xiaoying Wu, Dimitri Theodorat...