406 search results - page 50 / 82 » Goal-Driven Answer Extraction |
CLEF
2008
Springer
13 years 12 months ago
2008
Springer
In this paper, we assess the impact of using thesaurus-based query expansion methods, at the Information Retrieval (IR) stage of a Question Answering (QA) system. We focus on expan...
EMNLP
2008
13 years 11 months ago
2008
Most Web-based Q/A systems work by finding pages that contain an explicit answer to a question. These systems are helpless if the answer has to be inferred from multiple sentences...
IJCAI
2007
13 years 11 months ago
2007
Automating the task of scoring handwritten student essays is a challenging problem of AI. The goal is to assign scores which are comparable to those of human scorers even though b...
JASIS
2007
13 years 10 months ago
2007
It has been claimed that topic metadata can be used to improve the accuracy of text searches. Here, we test this claim by examining the contribution of metadata to effective search...
ICPR
2008
IEEE
14 years 11 months ago
2008
IEEE
Querying any information system requires the knowledge of some formal language, making it inaccessible to computer-na?ve potential users. We propose a new intuitive querying mecha...