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CCGRID
2003
IEEE
14 years 3 months ago
2003
IEEE
This paper addresses the query performance issue for Relational OLAP (ROLAP) datacubes. We present a distributed multi-dimensional ROLAP indexing scheme which is practical to imple...
ECHT
1994
14 years 2 months ago
1994
The emergent nature of structure is a crucial, but often ignored, constraint on authoring hypertexts. VIKI is a spatial hypertext system that supports the emergent s of structure ...
EDUTAINMENT
2008
Springer
13 years 11 months ago
2008
Springer
There is a trend in Virtual Learning Environments (VLE) towards flexible and adapted learning experiences that modify their contents and behavior to suit the needs of different lea...
CGF
2011
13 years 1 months ago
2011
We accelerate the finding of occluders in tree based acceleration structures, such as a packetized BVH and a single ray kd-tree, by deriving the ray termination surface area heur...
PARELEC
2006
IEEE
14 years 4 months ago
2006
IEEE
Usually, theories of surface growth are based on the study of global processes without taking in account the local behaviour of atoms. We have implemented two Montecarlo simulation...