OWL-Time ontology [22] |
Provides vocabularies for instants and intervals, durations, datetime, and Allen’s Interval Temporal Logic [10]. |
SWRL temporal ontology [23] |
Contains SWRL built-ins to reason about defined temporal information |
DAML ontology of time [24] |
Integrates First-order predicate calculus for topological temporal relations such as intervals, events, dates and times. |
CHRONOS [25] |
Stand-alone ontology and Allen’s Interval Temporal Logic framework that enable to infer implied relations, detect inconsistencies and ensure path consistency |
PSI-Time Ontology [26] |
Represents the concepts of relativist and absolutist durations, periodic time intervals, interval phases, open time, linear time, discrete time, anisotropic time, and the relations, point-to-point, point-to-interval and interval-to-interval. |
RSCDF Ontology [27] |
Temporal and contextual extension of RDF |
Reusable Time ontology [28] |
Represents time granularity by reusing a Physical-Quantities ontology that belongs to Ontolingua library [29]. |