We present the architecture and a performance assessment of an extensible query optimizer written in Venus. Venus is a general-purpose active-database rule language embedded in C+...
Navigation and interaction in virtual environments that use stereoscopic head-tracked displays and have very large data sets present several challenges beyond those encountered wi...
Zachary Wartell, William Ribarsky, Larry F. Hodges
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...
The IMB Jena Image Library of Biological Macromolecules (http://www.imb-jena.de/IMAGE.html) is a freely accessible Internet archive with three-dimensional (3D) structural informat...
Direct manipulation of visualizations is a powerful technique for performing exploratory data operations such as navigation, aggregation, and filtering. Its immediacy facilitates ...