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CIKM
2009
Springer
16 years 1 months ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
ECTEL
2009
Springer
16 years 1 months ago
Supporting Virtual Reality in an Adaptive Web-Based Learning Environment
Virtual Reality (VR) is gaining in popularity and its added value for learning is being recognized. However, its richness in representation and manipulation possibilities may also ...
Olga De Troyer, Frederic Kleinermann, Bram Pellens...
FORMATS
2009
Springer
16 years 1 months ago
On the Supports of Recognizable Timed Series
Recently, the model of weighted timed automata has gained interest within the real-time community. In a previous work, we built a bridge to the theory of weighted automata and intr...
Karin Quaas
ICFEM
2009
Springer
16 years 1 months ago
Supporting Reuse of Event-B Developments through Generic Instantiation
It is believed that reusability in formal development should reduce the time and cost of formal modelling within a production environment. Along with the ability to reuse formal mo...
Renato Silva, Michael Butler
IEAAIE
2009
Springer
16 years 1 months ago
An Ecological Model-Based Reasoning Model to Support Nature Park Managers
A decision support system model is described to advise nature park managers. It applies dynamic modelling techniques to relate abiotic characteristics of a site over time to specie...
Mark Hoogendoorn, Jan Treur, Muhammad Umair