Sciweavers

404 search results - page 4 / 81
» Answer Extraction
Sort
View
IR
2006
14 years 9 months ago
Table extraction for answer retrieval
The ability to find tables and extract information from them is a necessary component of many information retrieval tasks. Documents often contain tables in order to communicate d...
Xing Wei, W. Bruce Croft, Andrew McCallum
TREC
2007
14 years 10 months ago
Semantic Extensions of the Ephyra QA System for TREC 2007
We describe recent extensions to the Ephyra question answering (QA) system and their evaluation in the TREC 2007 QA track. Existing syntactic answer extraction approaches for fact...
Nico Schlaefer, Jeongwoo Ko, Justin Betteridge, Ma...
NAACL
2007
14 years 11 months ago
A Probabilistic Framework for Answer Selection in Question Answering
This paper describes a probabilistic answer selection framework for question answering. In contrast with previous work using individual resources such as ontologies and the Web to...
Jeongwoo Ko, Luo Si, Eric Nyberg
FLAIRS
2006
14 years 11 months ago
Syntax-based Concept Extraction for Question Answering Using SEMEX
The SEMEX tool for question answering is presented. Its architecture and features for extracting from input text a network of concept nodes that index syntax-based logical forms, ...
Demetrios G. Glinos, Fernando Gomez
AUSDM
2007
Springer
118views Data Mining» more  AUSDM 2007»
15 years 3 months ago
Mining Web Snippets to Answer List Questions
This paper presents ListWebQA, a question answering system that is aimed specifically at extracting answers to list questions exclusively from web snippets. Answers are identifi...
Alejandro Figueroa, Günter Neumann