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» A Multi-Resolution Relational Data Model
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AAAI
2011
13 years 10 months ago
Sparse Matrix-Variate t Process Blockmodels
We consider the problem of modeling network interactions and identifying latent groups of network nodes. This problem is challenging due to the facts i) that the network nodes are...
Zenglin Xu, Feng Yan, Yuan Qi
ER
2000
Springer
151views Database» more  ER 2000»
15 years 1 months ago
Algebraic Database Migration to Object Technology
Relational database systems represent the current standard technology for implementing database applications. Now that the object-oriented paradigm becomes more and more mature in...
Andreas Behm, Andreas Geppert, Klaus R. Dittrich
VLDB
1998
ACM
180views Database» more  VLDB 1998»
15 years 2 months ago
nD-SQL: A Multi-Dimensional Language for Interoperability and OLAP
We propose a multi-dimensional language called nD-SQL with the following features: (i) nD-SQL supports queries that interoperate amongst multiple relational sources with heterogen...
Frédéric Gingras, Laks V. S. Lakshma...
IDEAL
2005
Springer
15 years 3 months ago
Cluster Analysis of High-Dimensional Data: A Case Study
Abstract. Normal mixture models are often used to cluster continuous data. However, conventional approaches for fitting these models will have problems in producing nonsingular es...
Richard Bean, Geoffrey J. McLachlan
WSC
1996
14 years 11 months ago
Verifying and Validating Simulation Models
In this paper we discuss verification and validation of simulation models. The different approaches to deciding model validity are described, two different paradigms that relate v...
Robert G. Sargent