Sciweavers

512 search results - page 28 / 103
» The Role of Information Retrieval in Answering Complex Quest...
Sort
View
CCS
2007
ACM
14 years 10 hour ago
Efficient policy analysis for administrative role based access control
Administrative RBAC (ARBAC) policies specify how Role-Based Access Control (RBAC) policies may be changed by each administrator. It is often difficult to fully understand the effe...
Scott D. Stoller, Ping Yang, C. R. Ramakrishnan, M...
NAACL
2003
13 years 9 months ago
An Analysis of Clarification Dialogue for Question Answering
We examine clarification dialogue, a mechanism for refining user questions with follow-up questions, in the context of open domain Question Answering systems. We develop an algori...
Marco De Boni, Suresh Manandhar
WWW
2004
ACM
14 years 8 months ago
Is question answering an acquired skill?
We present a question answering (QA) system which learns how to detect and rank answer passages by analyzing questions and their answers (QA pairs) provided as training data. We b...
Ganesh Ramakrishnan, Soumen Chakrabarti, Deepa Par...
TREC
2007
13 years 9 months ago
Overview of the TREC 2007 Question Answering Track
The TREC 2007 question answering (QA) track contained two tasks: the main task consisting of series of factoid, list, and “Other” questions organized around a set of targets, ...
Hoa Trang Dang, Diane Kelly, Jimmy J. Lin
CLEF
2005
Springer
14 years 1 months ago
Overview of the CLEF 2005 Interactive Track
The CLEF Interactive Track (iCLEF) is devoted to the comparative study of userinclusive cross-language search strategies. In 2005, we have studied two cross-language search tasks:...
Julio Gonzalo, Paul Clough, Alessandro Vallin