Detection of Calendar-Based Periodicities of Interval-Based Temporal Patterns

Details Detection of Calendar-Based Periodicities of Interval-Based Temporal Patterns Detection of Calendar-Based Periodicities of Interval-Based Temporal Patterns

2012-02-14

arxiv.org/abs/1202.2926v1

International Journal of Data Mining & Knowledge Management Process (IJDKP) Vol.2, No.1, pp. 17-31,January 2012

Computer Science

Databases

Scientific paper

We present a novel technique to identify calendar-based (annual, monthly and daily) periodicities of an interval-based temporal pattern. An interval-based temporal pattern is a pattern that occurs across a time-interval, then disappears for some time, again recurs across another time-interval and so on and so forth. Given the sequence of time-intervals in which an interval-based temporal pattern has occurred, we propose a method for identifying the extent to which the pattern is periodic with respect to a calendar cycle. In comparison to previous work, our method is asymptotically faster. We also show an interesting relationship between periodicities across different levels of any hierarchical timestamp (year/month/day, hour/minute/second etc.).

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