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SIGIR
2004
ACM
15 years 4 months ago
Configurable indexing and ranking for XML information retrieval
Indexing and ranking are two key factors for efficient and effective XML information retrieval. Inappropriate indexing may result in false negatives and false positives, and impro...
Shaorong Liu, Qinghua Zou, Wesley W. Chu
CLEF
2008
Springer
15 years 26 days ago
Clustering for Photo Retrieval at Image CLEF 2008
This paper presents the first participation of the University of Ottawa group in the Photo Retrieval task at Image CLEF 2008. Our system uses Lucene for text indexing and LIRE for ...
Diana Inkpen, Marc Stogaitis, François DeGu...
MM
2005
ACM
146views Multimedia» more  MM 2005»
15 years 4 months ago
Unsupervised content discovery in composite audio
Automatically extracting semantic content from audio streams can be helpful in many multimedia applications. Motivated by the known limitations of traditional supervised approache...
Rui Cai, Lie Lu, Alan Hanjalic
CG
2007
Springer
14 years 11 months ago
Storylines: Visual exploration and analysis in latent semantic spaces
Tasks in visual analytics differ from typical information retrieval tasks in fundamental ways. A critical part of a visual analytics is to ask the right questions when dealing wit...
Weizhong Zhu, Chaomei Chen
ECIR
2003
Springer
15 years 13 days ago
Discretizing Continuous Attributes in AdaBoost for Text Categorization
Abstract. We focus on two recently proposed algorithms in the family of “boosting”-based learners for automated text classification, AdaBoost.MH and AdaBoost.MHKR . While the ...
Pio Nardiello, Fabrizio Sebastiani, Alessandro Spe...