A Representation for Collections of Temporal Intervals

  • Leban B
  • McDonald D
  • Forster D
  • 21

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Abstract

Temporal representation and reasoning are necessary components of systems that consider events that occur in the real world. The work explores ways of considering collections of intervals of time. This line of research is motivated by related work being done on appointment scheduling and time management. Natural language expressions that refer to collections of intervals are used naturally and routinely in these contexts, and an effective means of representing them is essential. The collection representation builds on previous work in temporal representation by introducing operators that allow the representation of collections of intervals, whether they occur explicitly or implicitly in the expression. The operators introduced are natural extensions of the relations and operations on intervals. The representation has potential use in scheduling in three areas: graphical display, natural language translation, and reasoning

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Authors

  • Bruce Leban

  • David D McDonald

  • David R Forster

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