422 search results - page 28 / 85 » Evaluating Passage Retrieval Approaches for Question Answeri... |
WEBI
2007
Springer
14 years 2 months ago
2007
Springer
Implicitly structured content on the Web such as HTML tables and lists can be extremely valuable for web search, question answering, and information retrieval, as the implicit str...
CIKM
2003
Springer
14 years 1 months ago
2003
Springer
We present a strategy for answering fact-based natural language questions that is guided by a characterization of realworld user queries. Our approach, implemented in a system cal...
IUI
2006
ACM
14 years 2 months ago
2006
ACM
This paper describes a discussion-bot that provides answers to students’ discussion board questions in an unobtrusive and humanlike way. Using information retrieval and natural ...
NAACL
2003
13 years 9 months ago
2003
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...
IR
2011
13 years 3 months ago
2011
In this paper, we evaluate a number of machine learning techniques for the task of ranking answers to why-questions. We use TF-IDF together with a set of 36 linguistically motivate...