- J. Spatial Information Science 1(1):21-48 (2010)
- Encyclopedia of Database Systems, Springer US, (2009)
- SIGSPATIAL Special 3(2):2-4 (2011)
- First Monday (2011)
- International Journal of Geographical Information Science 22(10):1045-1065 (2008)
- Interacting with Computers 8(4):347-363 (1996)
- T. GIS 15(3):401-418 (2011)
- Artif. Intell. 59(1-2):371-373 (1993)
- AI EDAM 12(1):47-48 (1998)
- Algorithmica 30(2):302-311 (2001)
- The Journal of the Acoustical Society of America 127(1):491--503 (January 2010)
- Proceedings of the National Academy of Sciences of the United States of America 104(23):9852--9857 (2007)
- AI Magazine 6(2):38-43 (1985)
- SIGSPATIAL Special 2(1):17-23 (2010)
- Journal of Ecology 90(1):121--129 (2002)
- International Journal of Geographical Information Science 21(7):717-745 (2007)
- TACCESS (2008)
- W.W. Norton, New York, 4th edition, (2007)
- W.W. Norton, New York, 3rd edition, (1997)
- Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems, page 1--9. Irvine, California, ACM, (2008)


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