Sang-Kyun Kim Mi-Young Song Chul Kim Sang-Jun Yea Hyunchul Jang Kyu-Chul Lee Temporal Ontology Language for Representing and Reasoning Interval-Based Temporal Knowledge. 31-45 2008 ASWC http://dx.doi.org/10.1007/978-3-540-89704-0_3 conf/aswc/2008 db/conf/aswc/aswc2008.html#KimSKYJL08