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211
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EPIA
2003
Springer
15 years 11 months ago
2003
Springer
Modern information retrieval systems need the capability to reason about the knowledge conveyed by text bases. In this paper a methodology to automatically create ontologies and cl...
204
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SIGIR
2003
ACM
15 years 11 months ago
2003
ACM
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
159
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WWW
2001
ACM
16 years 7 months ago
2001
ACM
We introduce a method for learning query transformations that improves the ability to retrieve answers to questions from an information retrieval system. During the training stage...
168
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
This paper follows a formal approach to information retrieval based on statistical language models. By introducing some simple reformulations of the basic language modeling approa...
194
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IPL
2008
15 years 6 months ago
2008
Streaming validation and querying of XML documents are often based on automata for tree-like structures. We propose a new notion of streaming tree automata in order to unify the t...