Many research projects have built bridges between OLAP and GIS to facilitate the
development of hybrid systems similar to the most recent commercial releases, such
as GOAL (Kouba, Matousek, & Miksovsky, 2000), SIGOLAP (Ferreira, Campos,
& Tanaka, 2001), SOVAT (Scotch & Parmanto, 2005), GMLA Web Services (Silva,
Times, Fidalgo & Barros, 2005), and CommonGIS (Hernandez, Voss, & Gohring,
2005). A team from the University of Minnesota developed MapCube, a data
structure and visualization tool for spatial datacubes (Shekhar, Lu, Tan, Chawla, &
Vatsavai, 2001). Another group from INSA-Lyon, in France, also developed a prototype
of SOLAP application and is working on fundamental concepts (Tchonikine,
Miquel, Laurini, Ahmed, Bimonte, & Baillot, 2005). In collaboration with the Laval
University team, they worked on evolving dimensions (Body, Miquel, B?©dard, &
Tchounikine, 2002) and highly heterogeneous data (Miquel et al., 2002). Fidalgo,
Times, Silva, and Souza (2004) have proposed a GeoDWFrame based on the star
08 B?©dard, Rivest, & Proulx
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schema to facilitate the design of spatial dimensional schemas. Several Italian researchers
have been active in fundamental research related to SOLAP.
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