1. Towards integrated geographical information processing;Abel;International Journal of Geographical Information Science,1998
2. Overcoming the semantic and other barriers to GIS interoperability;Bishr;International Journal of Geographic Information Science,1998
3. Probing the concepts of information communities—a first step towards semantic interoperability;Bishr,1999
4. Designing Database Application with Objects and Rules;Ceri,1997
5. On spatial database integration;Devogele;International Journal of Geographic Information Science,1998