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PKDD
2001
Springer
120views Data Mining» more  PKDD 2001»
15 years 10 months ago
Text Categorization and Semantic Browsing with Self-Organizing Maps on Non-euclidean Spaces
This paper introduces a new type of Self-Organizing Map (SOM) for Text Categorization and Semantic Browsing. We propose a “hyperbolic SOM” (HSOM) based on a regular tesselation...
Jörg Ontrup, Helge Ritter
SAS
2001
Springer
117views Formal Methods» more  SAS 2001»
15 years 10 months ago
Finite-Tree Analysis for Constraint Logic-Based Languages
Abstract. Logic languages based on the theory of rational, possibly infinite, trees have much appeal in that rational trees allow for faster unification (due to the omission of t...
Roberto Bagnara, Roberta Gori, Patricia M. Hill, E...
SSD
2001
Springer
113views Database» more  SSD 2001»
15 years 10 months ago
Object-Relational Indexing for General Interval Relationships
Intervals represent a fundamental data type for temporal, scientific, and spatial databases where time stamps and point data are extended to time spans and range data, respectively...
Hans-Peter Kriegel, Marco Pötke, Thomas Seidl
ICCAD
2000
IEEE
99views Hardware» more  ICCAD 2000»
15 years 10 months ago
On Mismatches between Incremental Optimizers and Instance Perturbations in Physical Design Tools
The incremental, “construct by correction” design methodology has become widespread in constraint-dominated DSM design. We study the problem of ECO for physical design domains...
Andrew B. Kahng, Stefanus Mantik
ICTAI
2000
IEEE
15 years 10 months ago
Consistency checking for Euclidean spatial constraints: a dimension graph approach
In this paper, we address the problem of consistency checking for Euclidean spatial constraints. A dimension graph representation is proposed to maintain the Euclidean spatial con...
Xuan Liu, Shashi Shekhar, Sanjay Chawla