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SIGIR
2010
ACM
14 years 28 days ago
2010
ACM
We present a document expansion approach that uses Conditional Random Field (CRF) segmentation to automatically extract salient phrases from ad titles. We then supplement the ad d...
AIRS
2006
Springer
14 years 24 days ago
2006
Springer
Automatic text chunking is a task which aims to recognize phrase structures in natural language text. It is the key technology of knowledge-based system where phrase structures pro...
KBSE
2007
IEEE
14 years 3 months ago
2007
IEEE
Growth in the complexity of computing systems, in the dynamism of the environments they operate in, and the need for timely adaptations as conditions change, now pose significant...
CLEF
2008
Springer
13 years 11 months ago
2008
Springer
This paper describes the participation of the Technical University of Catalonia in the CLEF 2008 Question Answering on Speech Transcripts track. We have participated in the Englis...
CONTEXT
2007
Springer
14 years 3 months ago
2007
Springer
The paper focuses on a difficult problem when formalizing knowledge: What about the possible concepts that didn’t make it into the formalization? We call such concepts the uncons...