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APAL
2007
104views more  APAL 2007»
15 years 7 months ago
Non-well-founded trees in categories
Non-well-founded trees are used in mathematics and computer science, for modelling non-well-founded sets, as well as non-terminating processes or infinite data structures. Catego...
Benno van den Berg, Federico De Marchi
CG
2006
Springer
15 years 7 months ago
Constrained diffusion-limited aggregation in 3 dimensions
Diffusion Limited Aggregation (DLA) has usually been studied in 2 dimensions as a model of fractal growth processes such as river networks, plant branching, frost on glass, electr...
Paul D. Bourke
APN
2008
Springer
15 years 9 months ago
Faster Unfolding of General Petri Nets Based on Token Flows
In this paper we propose two new unfolding semantics for general Petri nets combining the concept of prime event structures with the idea of token flows developed in [11]. In contr...
Robin Bergenthum, Robert Lorenz, Sebastian Mauser
EMNLP
2010
15 years 4 months ago
Learning the Relative Usefulness of Questions in Community QA
We present a machine learning approach for the task of ranking previously answered questions in a question repository with respect to their relevance to a new, unanswered referenc...
Razvan C. Bunescu, Yunfeng Huang
ICIP
2009
IEEE
15 years 4 months ago
Scene image segmentation based on Perceptual Organization
We propose a novel scene image segmentation algorithm based on Perceptual Organization. We develop a Perceptual Organization model by quantitatively incorporating a list of Gestal...
Chang Cheng, Andreas Koschan, David L. Page, Mongi...