Data independence
- clean separation of logical and physical level
Conceptual model
- based on RasDaMan Array Algebra
- RasDL for n-D array definition
- RasQL with declarative n-D array operators
APIs and tools
- RasLib C++ API
- RasDL data definition processor
- rView graphical frontend
- queries on n-D databases
- display of 1-D to 3-D query result sets
Standards adherence
- RasQL embedded in SQL92
- RasLib API conformant with ODMG 2.0
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Client/server architecture
- server-based query evaluation
- algebraic query optimization
- specialized storage manager
- arbitrary tiling, spatial index, compres
sion
- interoperates with relational and object-oriented DBMSs
- several Unix variants (c/s), Windows NT (c)
In part funded by European Commission
- grant no. 20073
- partners: Hospital General de Manresa (Spain),
Spanish National Geographic Institute, et al.
Web sites
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