241 search results - page 35 / 49 » Using Machine Learning and Text Mining in Question Answering |
EMNLP
2009
14 years 7 months ago
2009
We present the first unsupervised approach to the problem of learning a semantic parser, using Markov logic. Our USP system transforms dependency trees into quasi-logical forms, r...
WSDM
2010
ACM
15 years 4 months ago
2010
ACM
Presence of duplicate documents in the World Wide Web adversely affects crawling, indexing and relevance, which are the core building blocks of web search. In this paper, we pres...
WWW
2005
ACM
15 years 10 months ago
2005
ACM
This paper is concerned with the problem of definition search. Specifically, given a term, we are to retrieve definitional excerpts of the term and rank the extracted excerpts acc...
SIGMOD
2010
ACM
14 years 9 months ago
2010
ACM
Information extraction systems are increasingly being used to mine structured information from unstructured text documents. A commonly used unsupervised technique is to build iter...
WSDM
2010
ACM
15 years 6 months ago
2010
ACM
We describe a machine learning approach for predicting sponsored search ad relevance. Our baseline model incorporates basic features of text overlap and we then extend the model t...