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ASF GitHub Bot commented on RYA-292: ------------------------------------ Github user asfgit commented on the issue: https://github.com/apache/incubator-rya/pull/206 Refer to this link for build results (access rights to CI server needed): https://builds.apache.org/job/incubator-rya-master-with-optionals-pull-requests/404/<h2>Failed Tests: <span class='status-failure'>3</span></h2><h3><a name='incubator-rya-master-with-optionals-pull-requests/org.apache.rya:rya.prospector' /><a href='https://builds.apache.org/job/incubator-rya-master-with-optionals-pull-requests/404/org.apache.rya$rya.prospector/testReport'>incubator-rya-master-with-optionals-pull-requests/org.apache.rya:rya.prospector</a>: <span class='status-failure'>3</span></h3><ul><li><a href='https://builds.apache.org/job/incubator-rya-master-with-optionals-pull-requests/404/org.apache.rya$rya.prospector/testReport/org.apache.rya.prospector.mr/ProspectorTest/testCount/'><strong>org.apache.rya.prospector.mr.ProspectorTest.testCount</strong></a></li><li><a href='https://builds.apache.org/job/incubator-rya-master-with-optionals-pull-requests/404/org.apache.rya$rya.prospector/testReport/org.apache.rya.prospector.service/ProspectorServiceEvalStatsDAOTest/testCount/'><strong>org.apache.rya.prospector.service.ProspectorServiceEvalStatsDAOTest.testCount</strong></a></li><li><a href='https://builds.apache.org/job/incubator-rya-master-with-optionals-pull-requests/404/org.apache.rya$rya.prospector/testReport/org.apache.rya.prospector.service/ProspectorServiceEvalStatsDAOTest/testNoAuthsCount/'><strong>org.apache.rya.prospector.service.ProspectorServiceEvalStatsDAOTest.testNoAuthsCount</strong></a></li></ul> > Implement owl:intersectionOf inference > -------------------------------------- > > Key: RYA-292 > URL: https://issues.apache.org/jira/browse/RYA-292 > Project: Rya > Issue Type: Sub-task > Components: sail > Reporter: Jesse Hatfield > Assignee: Eric White > > An *{{owl:intersectionOf}}* expression defines the set of resources who > belong to all of a particular set of classes. > A basic implementation, if the ontology states that {{:Mother}} is the > intersection of {{:Parent}} and {{:Woman}}, should cause the inference engine > to: > 1. Rewrite query patterns {{?x rdf:type :Mother}} (the intersection type) to > check for resources that have both types {{:Parent}} and {{:Woman}} (as well > as check for resources that are explicitly stated to be {{:Mother}} s) > 2. Rewrite query patterns {{?y rdf:type :Parent}} (one of the intersecting > sets) to check for resources that are stated to be either {{:Mother}} or > {{:Parent}} , since belonging to the intersection type implies membership in > the component types. (Equivalent logic applies to {{Woman}} ) -- This message was sent by Atlassian JIRA (v6.4.14#64029)