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ECAI
2000
Springer
15 years 10 months ago
Continual Planning with Time-Oriented, Skeletal Plans
In dynamically changing environments a planning system does not have all the required information at the first place and the world state can change, rendering the original plan i...
Silvia Miksch, Andreas Seyfang
VRST
1999
ACM
15 years 10 months ago
Testbed evaluation of virtual environment interaction techniques
As immersive virtual environment (VE) applications become more complex, it is clear that we need a rm understanding of the principles of VE interaction. In particular, designers n...
Doug A. Bowman, Donald B. Johnson, Larry F. Hodges
GIS
1999
ACM
15 years 10 months ago
Spatio-Temporal Conceptual Models: Data Structures + Space + Time
Nowadays, many applications need data modeling facilities for the description of complex objects with spatial and/or temporal facilities. Responses to such requirements may be fou...
Christine Parent, Stefano Spaccapietra, Esteban Zi...
VLDB
1999
ACM
174views Database» more  VLDB 1999»
15 years 10 months ago
Extending Practical Pre-Aggregation in On-Line Analytical Processing
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
Torben Bach Pedersen, Christian S. Jensen, Curtis ...
COCO
1998
Springer
98views Algorithms» more  COCO 1998»
15 years 10 months ago
Probabilistic Martingales and BPTIME Classes
We define probabilistic martingales based on randomized approximation schemes, and show that the resulting notion of probabilistic measure has several desirable robustness propert...
Kenneth W. Regan, D. Sivakumar