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SIGIR
2003
ACM
13 years 10 months ago
Structured use of external knowledge for event-based open domain question answering
One of the major problems in question answering (QA) is that the queries are either too brief or often do not contain most relevant terms in the target corpus. In order to overcom...
Hui Yang, Tat-Seng Chua, Shuguang Wang, Chun-Keat ...
FLAIRS
2000
13 years 7 months ago
Mining Textual Answers with Knowledge-Based Indicators
This paper describes a knowledge-based methodologyof miningtextual answersinto large collections of texts. Wepresent SOMBRERO,a knowledge processing module implemented in the LASS...
Sanda M. Harabagiu, Marius Pasca
NDQA
2003
129views Education» more  NDQA 2003»
13 years 7 months ago
Knowledge Tracking: Answering Implicit Questions
Research on Question Answering has produced an arsenal of useful techniques for detecting answers that are explicitly present in the text of a collection of documents. To move bey...
Reinhard Stolle, Daniel G. Bobrow, Cleo Condoravdi...
ACL
2008
13 years 7 months ago
Using Conditional Random Fields to Extract Contexts and Answers of Questions from Online Forums
Online forum discussions often contain vast amounts of questions that are the focuses of discussions. Extracting contexts and answers together with the questions will yield not on...
Shilin Ding, Gao Cong, Chin-Yew Lin, Xiaoyan Zhu
FOIKS
2010
Springer
14 years 12 days ago
Theoretical Foundations for Enabling a Web of Knowledge
The current web is a web of linked pages. Frustrated users search for facts by guessing which keywords or keyword phrases might lead them to pages where they can find facts. Can w...
David W. Embley, Andrew Zitzelberger