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DOLAP
1999
ACM
15 years 8 months ago
Event-Entity-Relationship Modeling in Data Warehouse Environments
We use the event-entity-relationship model (EVER) to illustrate the use of entity-based modeling languages for conceptual schema design in data warehouse environments. EVER is a g...
Lars Bækgaard
RR
2010
Springer
15 years 2 months ago
Query-Based Access Control for Ontologies
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
Martin Knechtel, Heiner Stuckenschmidt
TABLEAUX
2007
Springer
15 years 10 months ago
A Tableau Method for Public Announcement Logics
Public announcement logic is an extension of multi-agent epistemic logic with dynamic operators to model the informational consequences of announcements to the entire group of agen...
Philippe Balbiani, Hans P. van Ditmarsch, Andreas ...
ADBIS
2006
Springer
103views Database» more  ADBIS 2006»
15 years 10 months ago
RA: An XML Schema Reduction Algorithm
XML file comparison and clustering are two challenging tasks still accomplished predominantly manually. XML schema contains information about data structure, types, and labels fou...
Angela Cristina Duta, Ken Barker, Reda Alhajj
ALT
2006
Springer
15 years 8 months ago
Hannan Consistency in On-Line Learning in Case of Unbounded Losses Under Partial Monitoring
In this paper the sequential prediction problem with expert advice is considered when the loss is unbounded under partial monitoring scenarios. We deal with a wide class of the par...
Chamy Allenberg, Peter Auer, László ...