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ATAL
2004
Springer
15 years 5 months ago
Degree of Local Cooperation and Its Implication on Global Utility
In a cooperative multi-agent system that is situated in an evolving environment, agents need to dynamically adjust their negotiation attitudes towards different agents in order to...
Jiaying Shen, Xiaoqin Zhang, Victor R. Lesser
ECAI
2004
Springer
15 years 5 months ago
Learning Complex and Sparse Events in Long Sequences
The Hierarchical Hidden Markov Model (HHMM) is a well formalized tool suitable to model complex patterns in long temporal or spatial sequences. Even if effective algorithms are ava...
Marco Botta, Ugo Galassi, Attilio Giordana
VLDB
2004
ACM
178views Database» more  VLDB 2004»
15 years 5 months ago
High-Dimensional OLAP: A Minimal Cubing Approach
Data cube has been playing an essential role in fast OLAP (online analytical processing) in many multi-dimensional data warehouses. However, there exist data sets in applications ...
Xiaolei Li, Jiawei Han, Hector Gonzalez
ICDM
2003
IEEE
99views Data Mining» more  ICDM 2003»
15 years 5 months ago
Scalable Model-based Clustering by Working on Data Summaries
The scalability problem in data mining involves the development of methods for handling large databases with limited computational resources. In this paper, we present a two-phase...
Huidong Jin, Man Leung Wong, Kwong-Sak Leung
HICSS
2002
IEEE
109views Biometrics» more  HICSS 2002»
15 years 4 months ago
The Chief Information Officer: A Study of Managerial Roles in Norway
This study provides some empirical insight into managerial roles of chief information officer (CIO) based on Mintzberg's classic managerial role model and CSC's informat...
Petter Gottschalk