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SSDBM
2007
IEEE
110views Database» more  SSDBM 2007»
15 years 7 months ago
On Exploring Complex Relationships of Correlation Clusters
In high dimensional data, clusters often only exist in arbitrarily oriented subspaces of the feature space. In addition, these so-called correlation clusters may have complex rela...
Elke Achtert, Christian Böhm, Hans-Peter Krie...
COOPIS
2002
IEEE
15 years 6 months ago
Modeling Coordination and Control in Cross-Organizational Workflows
Current e-service technology paradigms require the analysis and conceptual modeling of cooperative inter-organizational workflows. Cooperation among different organizations is base...
Enzo Colombo, Chiara Francalanci, Barbara Pernici
ACL
2008
15 years 2 months ago
Exploiting Feature Hierarchy for Transfer Learning in Named Entity Recognition
We present a novel hierarchical prior structure for supervised transfer learning in named entity recognition, motivated by the common structure of feature spaces for this task acr...
Andrew Arnold, Ramesh Nallapati, William W. Cohen
AAAI
1996
15 years 2 months ago
Learning Models for Multi-Source Integration
One issue involved in accessing multiple heterogeneous information sources is how to integrate the retrieved data. SIMS, an information mediator, handles this problem by mapping t...
Sheila Tejada, Craig A. Knoblock, Steven Minton
PODS
2004
ACM
158views Database» more  PODS 2004»
16 years 1 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...