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WEBI
2007
Springer
15 years 10 months ago
An unsupervised hierarchical approach to document categorization
— We propose a hierarchical approach to document categorization that requires no pre-configuration and maps the semantic document space to a predefined taxonomy. The utilizatio...
Robert Wetzker, Tansu Alpcan, Christian Bauckhage,...
KES
2005
Springer
15 years 10 months ago
Data Integration Hub for a Hybrid Paper Search
In this paper we describe the design of a hybrid search that combines simple metadata search with a traditional keyword search over unstructured context data. This paradigm provide...
Jungkee Kim, Geoffrey Fox, Seong Joon Yoo
IRI
2005
IEEE
15 years 10 months ago
Towards administration of a hybrid role hierarchy
Role-Based Access Control (RBAC) models have emerged as a leading access control approach for today’s information systems. Hybrid role hierarchies introduced in the Generalized ...
Suroop Mohan Chandran, James B. D. Joshi
GEOS
2005
Springer
15 years 10 months ago
Processes and Events in Dynamic Geo-Networks
Traditional spatial information systems hold only a single state of the ‘real world’. However, geographic phenomena have not only static but dynamic characteristics. The work d...
Antony Galton, Michael F. Worboys
FOIKS
2004
Springer
15 years 10 months ago
Equivalence of OLAP Dimension Schemas
Abstract. Dimension schemas are abstract models of the data hierarchies that populate OLAP warehouses. Although there is abundant work on schema equivalence in a variety of data mo...
Carlos A. Hurtado, Claudio Gutiérrez