469 search results - page 85 / 94 » Cluster-based query expansion |
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
100
click to vote
GISCIENCE
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. The SPIRIT search engine provides a test bed for the development of web search technology that is specialised for access to geographical information. Major components inc...
ICDT
2010
ACM
15 years 3 months ago
2010
ACM
We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
101
click to vote
DL
1994
Springer
15 years 2 months ago
1994
Springer
Digital Libraries will hold huge amounts of text and other forms of information. For the collections to be maximally useful, they must be highly organized with useful indexes and ...
AIRS
2006
Springer
15 years 1 months ago
2006
Springer
One of the main challenges in content-based image retrieval still remains to bridge the gap between low-level features and semantic information. In this paper, we present our first...