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ECML
2004
Springer
16 years 14 days ago
Model Approximation for HEXQ Hierarchical Reinforcement Learning
HEXQ is a reinforcement learning algorithm that discovers hierarchical structure automatically. The generated task hierarchy repthe problem at different levels of abstraction. In ...
Bernhard Hengst
CAISE
2003
Springer
16 years 9 days ago
A Bi-Temporal Data Warehouse Model
In data warehouses measures are analyzed along different dimensions. Although the structures of these dimensions change over time, data warehouse tools currently in use are not ab...
Christian Koncilia
ER
1998
Springer
88views Database» more  ER 1998»
15 years 11 months ago
Numerical Aspects in the Data Model of Conceptual Information Systems
Abstract. While most data analysis and decision support tools use numerical aspects of the data, Conceptual Information Systems focus on their conceptual structure. This paper disc...
Gerd Stumme, Karl Erich Wolff
DATE
2004
IEEE
121views Hardware» more  DATE 2004»
15 years 10 months ago
Overhead-Free Polymorphism in Network-on-Chip Implementation of Object-Oriented Models
We unify virtual-method despatch (polymorphism implementation) and network packet-routing operations; virtual-method calls correspond to network packets, and network addresses are...
Maziar Goudarzi, Shaahin Hessabi, Alan Mycroft
EUSFLAT
2001
119views Fuzzy Logic» more  EUSFLAT 2001»
15 years 8 months ago
Divisible MV-algebras as an algebraic model for fuzzy control
In this paper we shall describe a very natural extension of MV-algebras, the divisible MV-algebras (DMV). Such algebraic structures will be used to give a formal description of ru...
Brunella Gerla