Sheng Gao Darka Mioc Harold Boley Francois Anton Xiaolun Yi A RuleML Study on Integrating Geographical and Health Information. 174-181 2008 RuleML http://dx.doi.org/10.1007/978-3-540-88808-6_19 conf/ruleml/2008 db/conf/ruleml/ruleml2008.html#GaoMBAY08