667 search results - page 37 / 134 » Using Semantic Roles to Improve Question Answering |
AAAI
2006
14 years 11 months ago
2006
We show in this paper that the influential algorithm of iterative belief propagation can be understood in terms of exact inference on a polytree, which results from deleting enoug...
LREC
2008
14 years 11 months ago
2008
Semantic databases are a stable starting point in developing knowledge based systems. Since creating language resources demands many temporal, financial and human resources, a pos...
EMNLP
2009
14 years 7 months ago
2009
Unknown lexical items present a major obstacle to the development of broadcoverage semantic role labeling systems. We address this problem with a semisupervised learning approach ...
112
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ACL
2010
14 years 5 months ago
2010
Supervised semantic role labeling (SRL) systems trained on hand-crafted annotated corpora have recently achieved state-of-the-art performance. However, creating such corpora is te...
107
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ICCS
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers...