920 search results - page 110 / 184 » The TSIMMIS Approach to Mediation: Data Models and Languages |
JMLR
2012
13 years 7 days ago
2012
Unsupervised discovery of latent representations, in addition to being useful for density modeling, visualisation and exploratory data analysis, is also increasingly important for...
ER
2007
Springer
15 years 4 months ago
2007
Springer
Schema mappings come in different flavors: simple correspondences are produced by schema matchers, intensional mappings are used for schema integration. However, the execution of ...
CTCS
1987
Springer
15 years 1 months ago
1987
Springer
of this paper is to prevent the abstract data type researcher from an improper, naive use of category theory. We mainly emphasize some unpleasant properties of the synthesis funct...
96
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ML
1998
ACM
14 years 9 months ago
1998
ACM
We introduce, analyze and demonstrate a recursive hierarchical generalization of the widely used hidden Markov models, which we name Hierarchical Hidden Markov Models (HHMM). Our m...
107
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UM
2007
Springer
15 years 3 months ago
2007
Springer
In this paper we show how model identifiability is an issue for student modeling: observed student performance corresponds to an infinite family of possible model parameter estimat...