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SIGIR
2010
ACM
15 years 3 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
AMT
2006
Springer
138views Multimedia» more  AMT 2006»
15 years 3 months ago
Relevence Assessment of Topic Ontology
In traditional Information Retrieval (IR), user profiles are often represented by keyword/concepts space vectors or by some predefined categories. Unfortunately, this data is often...
Xujuan Zhou, Yuefeng Li, Yue Xu, Raymond Lau
ANNPR
2006
Springer
15 years 3 months ago
Visual Classification of Images by Learning Geometric Appearances Through Boosting
We present a multiclass classification system for gray value images through boosting. The feature selection is done using the LPBoost algorithm which selects suitable features of a...
Martin Antenreiter, Christian Savu-Krohn, Peter Au...
KDD
2010
ACM
275views Data Mining» more  KDD 2010»
15 years 3 months ago
Combined regression and ranking
Many real-world data mining tasks require the achievement of two distinct goals when applied to unseen data: first, to induce an accurate preference ranking, and second to give g...
D. Sculley
FLAIRS
2007
15 years 2 months ago
Towards Player Preference Modeling for Drama Management in Interactive Stories
There is a growing interest in producing story based game experiences that do not follow fixed scripts predefined by the author, but change the experience based on actions perfo...
Manu Sharma, Santiago Ontañón, Chris...