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AIIA
2007
Springer
16 years 25 days ago
A Comparison of Genetic Algorithms for Optimizing Linguistically Informed IR in Question Answering
In this paper we compare four selection strategies in evolutionary optimization of information retrieval (IR) in a question answering setting. The IR index has been augmented by li...
Jörg Tiedemann
IGARSS
2009
15 years 4 months ago
Within- and Between-class Variability of Spectrally Similar Tree Species
In this paper, a comparison is made through evaluating the withinand between-class species variability for the original, the first derivative and second derivative spectra. For ea...
Pravesh Debba, Moses Azong Cho, Renaud Mathieu
PAMI
1998
94views more  PAMI 1998»
15 years 6 months ago
Bayesian Approaches to Gaussian Mixture Modeling
—A Bayesian-based methodology is presented which automatically penalizes overcomplex models being fitted to unknown data. We show that, with a Gaussian mixture model, the approac...
Stephen J. Roberts, Dirk Husmeier, Iead Rezek, Wil...
KDD
2012
ACM
217views Data Mining» more  KDD 2012»
13 years 9 months ago
The long and the short of it: summarising event sequences with serial episodes
An ideal outcome of pattern mining is a small set of informative patterns, containing no redundancy or noise, that identifies the key structure of the data at hand. Standard freq...
Nikolaj Tatti, Jilles Vreeken
QOSA
2010
Springer
15 years 4 months ago
A Hybrid Approach for Multi-attribute QoS Optimisation in Component Based Software Systems
Design decisions for complex, component-based systems impact multiple quality of service (QoS) properties. Often, means to improve one quality property deteriorate another one. In ...
Anne Martens, Danilo Ardagna, Heiko Koziolek, Raff...