Temporal Data Mining

56    ◾    Temporal Data Mining

found in cases. Specically, Allen’s temporal algebra is used to create a

temporal network to represent case stories. For example, if this is a library

of patient cases, an example of a case story is the following: “Patient Jones

had high fever for three hours, during which he received no medication.

en he received medication and when his temperature was measured an

hour later, it was signicantly lower.”

In the classical Creek system, there are three metrics that are used to

determine similarity: (1) activation strength based on the similarity of

cases, (2) explanation strength based on general domain