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» Retrieval Using Structure for Question Answering
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SIGIR
2003
ACM
14 years 1 months ago
Table extraction using conditional random fields
The ability to find tables and extract information from them is a necessary component of data mining, question answering, and other information retrieval tasks. Documents often c...
David Pinto, Andrew McCallum, Xing Wei, W. Bruce C...
GECCO
2011
Springer
247views Optimization» more  GECCO 2011»
13 years 6 days ago
An agent-based model of the effects of a primate social structure on the speed of natural selection
The rate of speciation is in most mammals an order of magnitude faster than in most other vertebrates. It is faster still in the social mammals. The apparent association between c...
Gideon M. Gluckman, Joanna Bryson
SIGIR
2006
ACM
14 years 2 months ago
The role of knowledge in conceptual retrieval: a study in the domain of clinical medicine
Despite its intuitive appeal, the hypothesis that retrieval at the level of “concepts” should outperform purely term-based approaches remains unverified empirically. In addit...
Jimmy J. Lin, Dina Demner-Fushman
SIGMOD
2004
ACM
121views Database» more  SIGMOD 2004»
14 years 8 months ago
An Optimal Algorithm for Querying Tree Structures and its Applications in Bioinformatics
Trees and graphs are widely used to model biological databases. Providing efficient algorithms to support tree-based or graph-based querying is therefore an important issue. In th...
Hsiao-Fei Liu, Ya-Hui Chang, Kun-Mao Chao
SIGIR
2008
ACM
13 years 8 months ago
Novelty and diversity in information retrieval evaluation
Evaluation measures act as objective functions to be optimized by information retrieval systems. Such objective functions must accurately reflect user requirements, particularly w...
Charles L. A. Clarke, Maheedhar Kolla, Gordon V. C...