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SIGIR
2010
ACM
15 years 10 months ago
On statistical analysis and optimization of information retrieval effectiveness metrics
This paper presents a new way of thinking for IR metric optimization. It is argued that the optimal ranking problem should be factorized into two distinct yet interrelated stages:...
Jun Wang, Jianhan Zhu
191
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NLDB
2000
Springer
15 years 10 months ago
Natural Language Analysis for Semantic Document Modeling
To ease the retrieval of documents published on the Web, the documents should be classified in a way that users find helpful and meaningful. This paper presents an approach to sema...
Terje Brasethvik, Jon Atle Gulla
193
Voted
CLEF
2008
Springer
15 years 8 months ago
Overview of iCLEF 2008: Search Log Analysis for Multilingual Image Retrieval
This paper summarises activities from the iCLEF 2008 task. In an attempt to encourage greater participation in user-orientated experiments, a new task was organised based on users...
Julio Gonzalo, Paul Clough, Jussi Karlgren
APVIS
2008
15 years 8 months ago
Interactive Visual Analysis of the NSF Funding Information
This paper presents an interactive visualization toolkit for navigating and analyzing the National Science Foundation (NSF) funding information. Our design builds upon the treemap...
Shixia Liu, Nan Cao, Hao Lv
ICASSP
2010
IEEE
15 years 7 months ago
A nonnegative sparsity induced similarity measure with application to cluster analysis of spam images
Image spam is an email spam that embeds text content into graphical images to bypass traditional spam filters. The majority of previous approaches focus on filtering image spam ...
Yan Gao, Alok N. Choudhary, Gang Hua