822 search results - page 91 / 165 » A proposal for chemical information retrieval evaluation |
SIGIR
2003
ACM
14 years 2 months ago
2003
ACM
In this paper, we propose a novel document clustering method based on the non-negative factorization of the termdocument matrix of the given document corpus. In the latent semanti...
WEBI
2010
Springer
13 years 7 months ago
2010
Springer
Static index pruning techniques aim at removing from the posting lists of an inverted file the references to documents which are likely to be not relevant for answering user querie...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
The success of the Semantic Web depends on the availability of Web pages annotated with metadata. Free form metadata or tags, as used in social bookmarking and folksonomies, have ...
WWW
2010
ACM
14 years 3 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
CIKM
2009
Springer
14 years 1 months ago
2009
Springer
This paper presents an overview of our framework for searching and retrieving facts and relationships within natural language text sources. In this framework, an extraction task o...