Dimitre A. Dimitrov Roopa Pundaleeka Abir Qasem Jeff Heflin ISENS: A System for Information Integration, Exploration, and Querying of Multi-Ontology Data Sources. 330-335 2009 ICSC https://doi.org/10.1109/ICSC.2009.50 https://doi.ieeecomputersociety.org/10.1109/ICSC.2009.50 conf/semco/2009 db/conf/semco/icsc2009.html#DimitrovPQH09