Sciweavers

2050 search results - page 199 / 410
» Effectiveness of complex index terms in information retrieva...
Sort
View
SIGIR
2010
ACM
15 years 10 months ago
The impact of collection size on relevance and diversity
It has been observed that precision increases with collection size. One explanation could be that the redundancy of information increases, making it easier to find multiple docum...
Marijn Koolen, Jaap Kamps
SIGIR
2008
ACM
15 years 6 months ago
The impact of history length on personalized search
Personalized search is a promising way to better serve different users' information needs. Search history is one of the major information sources for search personalization. ...
Yangbo Zhu, Jamie Callan, Jaime G. Carbonell
SIGIR
2002
ACM
15 years 6 months ago
Detecting and Browsing Events in Unstructured text
Previews and overviews of large, heterogeneous information resources help users comprehend the scope of collections and focus on particular subsets of interest. For narrative docu...
David A. Smith
WWW
2009
ACM
16 years 7 months ago
Tag ranking
Social media sharing web sites like Flickr allow users to annotate images with free tags, which significantly facilitate Web image search and organization. However, the tags assoc...
Dong Liu, Xian-Sheng Hua, Linjun Yang, Meng Wang, ...
SIGIR
2002
ACM
15 years 6 months ago
Finding relevant documents using top ranking sentences: an evaluation of two alternative schemes
In this paper we present an evaluation of techniques that are designed to encourage web searchers to interact more with the results of a web search. Two specific techniques are ex...
Ryen White, Ian Ruthven, Joemon M. Jose