Method for fast relevance discovery in time series

Details Method for fast relevance discovery in time series Method for fast relevance discovery in time series

2006-11-28

2008-11-04

Do, Chat C (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07447723

ABSTRACT:
A method for measuring time series relevance using state transition points, including inputting time series data and relevance threshold data. Then convert all time series values to ranks within [0,1] interval. Calculate the valid range of the transition point in [0,1]. Afterwards, a verification occurs that a time series Z exists for each pair of time series Z and Y, such that the relevances between X and Z, and between Y and Z are known. Then deduce the relevance of X and Y. The relevance of X and Y must be at least one of, (i) higher, and (ii) lower than, the given threshold. Provided Z is found terminate all remaining calculations for X and Y. Otherwise, segment the time series if no Z time series exists, use the segmented time series to estimate the relevance. Apply a hill climbing algorithm in the valid range to find the true relevance.

REFERENCES:
patent: 4734909 (1988-03-01), Bennett et al.
patent: 5893058 (1999-04-01), Kosaka
patent: 7117108 (2006-10-01), Rapp et al.

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