641 search results - page 22 / 129 » Studying Query Expansion Effectiveness |
FQAS
2006
Springer
13 years 11 months ago
2006
Springer
Converting a natural language query sentence into a formal database query is a major challenge. We have constructed NaLIX, a natural language interface for querying XML data. Throu...
EDBTW
2004
Springer
14 years 1 months ago
2004
Springer
Highly heterogeneous XML data collections that do not have a global schema, as arising, for example, in federations of digital libraries or scientific data repositories, cannot be...
TREC
1998
13 years 9 months ago
1998
This paper describes the THISL system that participated in the TREC-7 evaluation, Spoken Document Retrieval (SDR) Track, and presents the results obtained, together with some anal...
TKDE
2008
13 years 7 months ago
2008
In this paper, we propose an image semantic model based on the knowledge and criteria in the field of linguistics and taxonomy. Our work bridges the "semantic gap" by sea...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Given a positive value r, a circular range query returns the objects that lie within the distance r of the query location. In this paper, we study the circular range queries that c...