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SIGIR
2008
ACM
15 years 6 months ago
Discriminative probabilistic models for passage based retrieval
The approach of using passage-level evidence for document retrieval has shown mixed results when it is applied to a variety of test beds with different characteristics. One main r...
Mengqiu Wang, Luo Si
SIGIR
2010
ACM
15 years 10 months ago
Clicked phrase document expansion for sponsored search ad retrieval
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...
Dustin Hillard, Chris Leggetter
CLEF
2010
Springer
15 years 8 months ago
Question Answering System: Retrieving Relevant Passages
This paper discusses the QA system submitted by Dhirubhai Ambani Institute of Information and Communication Technology, India in the ResPubliQA 2010. We have participated in the mo...
Hitesh Sabnani, Prasenjit Majumder
MIR
2005
ACM
136views Multimedia» more  MIR 2005»
16 years 13 days ago
Multimedia information retrieval: what is it, and why isn't anyone using it?
In this paper, the participants of the panel at the 7th ACM SIGMM International Workshop on Multimedia Information Retrieval answer questions about what multimedia is, how MIR is ...
Alejandro Jaimes, Michael G. Christel, Séba...
TREC
2007
15 years 8 months ago
UIC at TREC 2007 Blog Track
In TREC 2007 Blog Track, we developed a three-step algorithm for the opinion retrieval task. An information retrieval step retrieves the query-relevant documents. A following opin...
Wei Zhang, Clement T. Yu