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DKE
2008
104views more  DKE 2008»
15 years 3 months ago
Improving the performance of question answering with semantically equivalent answer patterns
In this paper, we discuss a novel technique based on semantic constraints to improve the performance and portability of a reformulation-based question answering system. First, we ...
Leila Kosseim, Jamileh Yousefi
SIAMAM
2000
78views more  SIAMAM 2000»
15 years 2 months ago
Spatial Noise Stabilizes Periodic Wave Patterns in Oscillatory Systems on Finite Domains
Invasions in oscillatory systems generate in their wake spatiotemporal oscillations, consisting of either periodic wavetrains or irregular oscillations that appear to be spatiotemp...
Alison L. Kay, Jonathan A. Sherratt
SAB
2010
Springer
117views Optimization» more  SAB 2010»
15 years 1 months ago
Indirectly Encoding Neural Plasticity as a Pattern of Local Rules
Biological brains can adapt and learn from past experience. In neuroevolution, i.e. evolving artificial neural networks (ANNs), one way that agents controlled by ANNs can evolve t...
Sebastian Risi, Kenneth O. Stanley
ICDM
2010
IEEE
158views Data Mining» more  ICDM 2010»
15 years 1 months ago
Patterns on the Connected Components of Terabyte-Scale Graphs
How do connected components evolve? What are the regularities that govern the dynamic growth process and the static snapshot of the connected components? In this work, we study pat...
U. Kang, Mary McGlohon, Leman Akoglu, Christos Fal...
ICDE
2012
IEEE
240views Database» more  ICDE 2012»
13 years 5 months ago
Ego-centric Graph Pattern Census
—There is increasing interest in analyzing networks of all types including social, biological, sensor, computer, and transportation networks. Broadly speaking, we may be interest...
Walaa Eldin Moustafa, Amol Deshpande, Lise Getoor