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» Information Retrieval by Semantic Similarity
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SIGIR
2009
ACM
16 years 1 months ago
An improved markov random field model for supporting verbose queries
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
Matthew Lease
ICITA
2005
IEEE
16 years 6 days ago
Combining Diversity-Based Active Learning with Discriminant Analysis in Image Retrieval
Small-sample learning in image retrieval is a pertinent and interesting problem. Relevance feedback is an active area of research that seeks to find algorithms that are robust wi...
Charlie K. Dagli, ShyamSundar Rajaram, Thomas S. H...
WWW
2008
ACM
16 years 7 months ago
Mashups for semantic user profiles
In this paper, we discuss challenges and provide solutions for capturing and maintaining accurate models of user profiles using semantic web technologies, by aggregating and shari...
Riddhiman Ghosh, Mohamed Dekhil
ISCI
2007
142views more  ISCI 2007»
15 years 6 months ago
Semantic passage segmentation based on sentence topics for question answering
We propose a semantic passage segmentation method for a Question Answering (QA) system. We define a semantic passage as sentences grouped by semantic coherence, determined by the...
Hyo-Jung Oh, Sung-Hyon Myaeng, Myung-Gil Jang
WWW
2010
ACM
16 years 1 months ago
Semantic lexicon adaptation for use in query interpretation
We describe improvements to the use of semantic lexicons by a state-of-the-art query interpretation system powering a major search engine. We successfully compute concept label im...
Ana-Maria Popescu, Patrick Pantel, Gilad Mishne