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» Document Retrieval Performance on Parallel Systems
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TREC
2008
13 years 10 months ago
University of Waterloo at TREC 2008 Blog Track
The paper reports the University of Waterloo participation in the opinion and polarity tasks of the Blog track. The proposed method uses a lexicon built from several linguistic re...
Olga Vechtomova
TREC
2007
13 years 10 months ago
The Hedge Algorithm for Metasearch at TREC 2007
Aslam, Pavlu, and Savell [3] introduced the Hedge algorithm for metasearch which effectively combines the ranked lists of documents returned by multiple retrieval systems in resp...
Javed A. Aslam, Virgiliu Pavlu, Olena Zubaryeva
SIGIR
2006
ACM
14 years 2 months ago
Answering complex questions with random walk models
We present a novel framework for answering complex questions that relies on question decomposition. Complex questions are decomposed by a procedure that operates on a Markov chain...
Sanda M. Harabagiu, V. Finley Lacatusu, Andrew Hic...
WWW
2002
ACM
14 years 9 months ago
Probabilistic question answering on the web
Web-based search engines such as Google and NorthernLight return documents that are relevant to a user query, not answers to user questions. We have developed an architecture that...
Dragomir R. Radev, Weiguo Fan, Hong Qi, Harris Wu,...
ICPPW
2008
IEEE
14 years 3 months ago
Non-Contiguous I/O Support for Object-Based Storage
The access patterns performed by disk-intensive applications vary widely, from simple contiguous reads or writes through an entire file to completely unpredictable random access....
Dennis Dalessandro, Ananth Devulapalli, Pete Wycko...