281 search results - page 44 / 57 » Querying the Guarded Fragment |
107
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JAR
2007
14 years 10 months ago
2007
As applications of description logics proliferate, efficient reasoning with knowledge bases containing many assertions becomes ever more important. For such cases, we developed a n...
COLING
2002
14 years 10 months ago
2002
A methodology is proposed for taking queries and requests expressed in natural language as input and answering them in charts through organizing that interaction into felicitous d...
81
Voted
AIMSA
2008
Springer
15 years 4 months ago
2008
Springer
An alternative way to tackle Information Retrieval, called Passage Retrieval, considers text fragments independently rather than assessing global relevance of documents. In such a ...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
We present an annotation management system for relational databases. In this system, every piece of data in a relation is assumed to have zero or more annotations associated with ...
101
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SIGMOD
2005
ACM
15 years 3 months ago
2005
ACM
If presented with inaccurate statistics, even the most sophisticated query optimizers make mistakes. They may wrongly estimate the output cardinality of a certain operation and th...