4180 search results - page 685 / 836 » A Query Language for XML |
147
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ICDT
2005
ACM
15 years 10 months ago
2005
ACM
We give two sufficient conditions on XPath like languages for having first order expressivity, meaning that every first order definable set of paths in an ordered node-labeled t...
136
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CAISE
2004
Springer
15 years 9 months ago
2004
Springer
Abstract. ID-Logic is a knowledge representation language that extends first-order logic with non-monotone inductive definitions. This paper introduces an ID-Logic based framewor...
145
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FOCS
2003
IEEE
15 years 9 months ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...
102
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CLEF
2003
Springer
15 years 9 months ago
2003
Springer
Motivated by the hypothesis that the retrieval performance of a weighting model is independent of the language in which queries and collection are expressed, we compared the retrie...
126
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IDEAL
2003
Springer
15 years 9 months ago
2003
Springer
Conversational agent is a system that provides user with proper information and maintains the context of dialogue based on natural language. When experts design the network for con...