106 search results - page 9 / 22 » A formal study of information retrieval heuristics |
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
The rapid growth of available data arises the need for more sophisticated techniques for semantic access to information. It has been proved that using conceptual model or ontology...
ECIR
2007
Springer
13 years 9 months ago
2007
Springer
Measuring the similarity between documents and queries has been extensively studied in information retrieval. However, there are a growing number of tasks that require computing th...
WWW
2004
ACM
14 years 9 months ago
2004
ACM
We present a principled methodology for filtering news stories by formal measures of information novelty, and show how the techniques can be used to custom-tailor newsfeeds based ...
ECIR
2007
Springer
13 years 9 months ago
2007
Springer
Abstract. We present a framework that assesses relevance with respect to several relevance criteria, by combining the query-dependent and query-independent evidence indicating thes...
WWW
2005
ACM
14 years 9 months ago
2005
ACM
This paper is concerned with the problem of definition search. Specifically, given a term, we are to retrieve definitional excerpts of the term and rank the extracted excerpts acc...