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EDBTW
2010
Springer
14 years 9 months ago
A decision support system to improve e-learning environments
Nowadays, due to the lack of face-to-face contact, distance course instructors have real difficulties knowing who their students are, how their students behave in the virtual cour...
Marta E. Zorrilla, Diego García, Elena &Aac...
DOLAP
1999
ACM
15 years 4 months ago
Updating OLAP Dimensions
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
Carlos A. Hurtado, Alberto O. Mendelzon, Alejandro...
ESWS
2009
Springer
15 years 6 months ago
Collaborative Ocean Resource Interoperability: Multi-use of Ocean Data on the Semantic Web
: Earth Observations (EO) collect various characteristics of the objective environment using sensors which often have different measuring, spatial and temporal coverage. Making ind...
Feng (Barry) Tao, Jon Campbell, Maureen Pagnani, G...
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DAWAK
2001
Springer
15 years 4 months ago
Optimization Algorithms for Simultaneous Multidimensional Queries in OLAP Environments
Multi-Dimensional Expressions (MDX) provide an interface for asking several related OLAP queries simultaneously. An interesting problem is how to optimize the execution of an MDX q...
Panos Kalnis, Dimitris Papadias
BTW
2007
Springer
189views Database» more  BTW 2007»
15 years 6 months ago
Reconsidering Consistency Management in Shared Data Spaces for Emergency and Rescue Applications
: Efficient information sharing is very important for emergency and rescue operations. These operations often have to be performed in environments where no communication infrastruc...
Thomas Plagemann, Ellen Munthe-Kaas, Vera Goebel