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133
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IPM
2010
133views more  IPM 2010»
15 years 3 months ago
A concept-relationship acquisition and inference approach for hierarchical taxonomy construction from tags
Taxonomy construction is a resource-demanding, top down, and time consuming effort. It does not always cater for the prevailing context of the captured information. This paper pro...
Eric Tsui, W. M. Wang, Chi Fai Cheung, Adela S. M....
145
Voted
ITP
2010
172views Mathematics» more  ITP 2010»
15 years 3 months ago
Automated Machine-Checked Hybrid System Safety Proofs
mentation of the Abstraction Method In Coq Eelis van der Weegen Institute for Computing and Information Sciences Raboud University Nijmegen This technical report documents our deve...
Herman Geuvers, Adam Koprowski, Dan Synek, Eelis v...
IV
2010
IEEE
158views Visualization» more  IV 2010»
15 years 3 months ago
An Interactive Visualization Framework for Time-Series of Web Graphs in a 3D Environment
We propose an interactive framework for the 3D visualization of the time-series of Web graphs. The purpose of our framework is to enable users to examine the evolution of Web grap...
Masahiko Itoh, Masashi Toyoda, Masaru Kitsuregawa
JCT
2010
117views more  JCT 2010»
15 years 3 months ago
(2+2)-free posets, ascent sequences and pattern avoiding permutations
Abstract. We present bijections between four classes of combinatorial objects. Two of them, the class of unlabeled (2 + 2)-free posets and a certain class of involutions (or chord ...
Mireille Bousquet-Mélou, Anders Claesson, M...
LATA
2010
Springer
15 years 3 months ago
Language-Based Comparison of Petri Nets with Black Tokens, Pure Names and Ordered Data
We apply language theory to compare the expressive power of models that extend Petri nets with features like colored tokens and/or whole place operations. Specifically, we conside...
Fernando Rosa Velardo, Giorgio Delzanno