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CLEF
2006
Springer
15 years 10 months ago
GeoCLEF Text Retrieval and Manual Expansion Approaches
In this paper we will describe the Berkeley approaches to the GeoCLEF tasks for CLEF 2006. This year we used two separate systems for different tasks. Although of the systems both...
Ray R. Larson, Fredric C. Gey
AIEDU
2005
89views more  AIEDU 2005»
15 years 6 months ago
An Evaluation of a Hybrid Language Understanding Approach for Robust Selection of Tutoring Goals
In this paper, we explore the problem of selecting appropriate interventions for students based on an analysis of their interactions with a tutoring system. In the context of the W...
Carolyn Penstein Rosé, Kurt VanLehn
ESANN
2006
15 years 8 months ago
Random Forests Feature Selection with K-PLS: Detecting Ischemia from Magnetocardiograms
Random Forests were introduced by Breiman for feature (variable) selection and improved predictions for decision tree models. The resulting model is often superior to AdaBoost and ...
Long Han, Mark J. Embrechts, Boleslaw K. Szymanski...
VLDB
2005
ACM
149views Database» more  VLDB 2005»
16 years 6 months ago
Selectivity estimators for multidimensional range queries over real attributes
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...
Dimitrios Gunopulos, George Kollios, Vassilis J. T...
TASLP
2008
148views more  TASLP 2008»
15 years 6 months ago
Combining Spectral Representations for Large-Vocabulary Continuous Speech Recognition
In this paper we investigate the combination of complementary acoustic feature streams in large vocabulary continuous speech recognition (LVCSR). We have explored the use of acoust...
Giulia Garau, Steve Renals