Graph-RAT is a database abstraction layer designed to make it easy to use a large library of graph-analysis routines on a database as well as add new kinds of algorithms to data mining.
Java interface plugged on MonetDB database to build Xqueries and analyse results.
First specifically developped for sociologists but some of the quieries can be adapted easily.
InterMap is an Internet mapping application that allows the user to combine interactive maps from distributed Internet Map Servers in a browser. InterMap supports OpenGIS WMS and ESRI-ArcIMS and can be fully integrated with the GeoNetwork Metadata portal