Information-need driven query refinement

Author

Stojanovic, Nenad

Author_Institution

Inst. fur Angewandte Inf. und Formale Beschreibungsverfahren, Karlsruhe Univ., Germany

fYear

2003

fDate

13-17 Oct. 2003

Firstpage

388

Lastpage

395

Abstract

We present a framework for query refinement that is driven by users\´ information needs. Since a query just approximates a user\´s need, we analyze the ambiguities of that query with respect to the vocabulary used for querying and the information repository. The goal is to determine the refinements that can help the user to express his original need more clearly. Particularly, a user is provided with the queries that are "nearby" the given query and a "compass" for determining the ways of changing the ambiguities of the query. The neighborhood of a query is defined regarding the result of that query. The formal concept analysis is used for its efficient calculation. We present an evaluation study that shows the benefits of our approach.

Keywords

data warehouses; query formulation; query processing; vocabulary; evaluation study; formal concept analysis; information repository; information-need driven query refinement; query ambiguity analyzation; Abstracts; Biomedical imaging; Delta modulation; Information resources; Knowledge management; Lattices; Navigation; Portals; Testing; Vocabulary;

fLanguage

English

Publisher

ieee

Conference_Titel

Web Intelligence, 2003. WI 2003. Proceedings. IEEE/WIC International Conference on

Print_ISBN

0-7695-1932-6

Type

conf

DOI

10.1109/WI.2003.1241220

Filename

1241220