2099 search results - page 154 / 420 » Similarity for Conceptual Querying |
103
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LICS
2005
IEEE
15 years 7 months ago
2005
IEEE
We consider unranked trees, that have become an active subject of study recently due to XML applications, and characterize commonly used fragments of firstorder (FO) and monadic ...
149
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SAC
2003
ACM
15 years 7 months ago
2003
ACM
Query-by-example is the most popular query model for today’s image retrieval systems. A typical query image contains not only relevant objects (e.g., Eiffel Tower), but also ir...
126
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KR
1992
Springer
15 years 5 months ago
1992
Springer
While the task of answering queries from an arbitrary propositional theory is intractable in general, it can typicallybe performed e ciently if the theory is Horn. This suggests t...
124
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PPDP
2010
Springer
15 years 1 days ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
WWW
2001
ACM
16 years 2 months ago
2001
ACM
MSL (Model Schema Language) is an attempt to formalize some of the core idea in XML Schema. The benefits of a formal description is that it is both concise and precise. MSL has al...