Publication: Parsimonious temporal aggregation
Parsimonious temporal aggregation
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Gordevicius, J., Gamper, J., & Böhlen, M. (2012). Parsimonious temporal aggregation. VLDB Journal, 21(3), 309–332. https://doi.org/10.1007/s00778-011-0243-9
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Temporal aggregation is an important operationin temporal databases, and different variants thereof havebeen proposed. In this paper, we introduce a novel temporalaggregation operator, termed parsimonious temporal aggregation (PTA), that overcomes major limitations of existingapproaches. PTA takes the result of instant temporal aggregation (ITA) of size n, which might be up to twice as largeas the argument relation, and merges similar tuples untila given error () or size (c) bound is reached. The newoperator is data-adaptive and allow
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- Gordevicius, Juozas
- Gamper, Johann
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Gordevicius, J., Gamper, J., & Böhlen, M. (2012). Parsimonious temporal aggregation. VLDB Journal, 21(3), 309–332. https://doi.org/10.1007/s00778-011-0243-9
