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EDBT
2010
ACM
180views Database» more  EDBT 2010»
16 years 1 months ago
BSkyTree: scalable skyline computation using a balanced pivot selection
Skyline queries have gained a lot of attention for multicriteria analysis in large-scale datasets. While existing skyline algorithms have focused mostly on exploiting data dominan...
Jongwuk Lee, Seung-won Hwang
ITS
2000
Springer
94views Multimedia» more  ITS 2000»
15 years 10 months ago
DT Tutor: A Decision-Theoretic, Dynamic Approach for Optimal Selection of Tutorial Actions
DT Tutor uses a decision-theoretic approach to select tutorial actions for coached problem solving that are optimal given the tutor's beliefs and objectives. It employs a mode...
R. Charles Murray, Kurt VanLehn
ATAL
2008
Springer
15 years 9 months ago
Towards Improved Partner Selection Using Recommendations and Trust
Agents in open and dynamic environments face the challenge of uncertainty while interacting with others to achieve their goals. They face quick and unforeseen changes to the behavi...
Sarah N. Lim Choi Keung, Nathan Griffiths
ECIR
2008
Springer
15 years 8 months ago
Robust Query-Specific Pseudo Feedback Document Selection for Query Expansion
In document retrieval using pseudo relevance feedback, after initial ranking, a fixed number of top-ranked documents are selected as feedback to build a new expansion query model. ...
Qiang Huang, Dawei Song, Stefan M. Rüger
ACL
2006
15 years 8 months ago
A Progressive Feature Selection Algorithm for Ultra Large Feature Spaces
Recent developments in statistical modeling of various linguistic phenomena have shown that additional features give consistent performance improvements. Quite often, improvements...
Qi Zhang, Fuliang Weng, Zhe Feng