
Publications
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2000. Using MedLan to Integrate Geographical Data. J. Log. Program.. 43:3-14.
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1997. Applying Restriction Constraints to Deductive Databases. Ann. Math. Artif. Intell.. 19:3-25.
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1996. Towards Declarative GIS Analysis. ACM-GIS. :98-104.
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1995. An Operator for Composing Deductive Databases with Theories of Constraints. LPNMR. :57-70.

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