System and method for load shedding in data mining and...

Details System and method for load shedding in data mining and... System and method for load shedding in data mining and...

2005-02-16

2009-02-17

Breene, John E (Department: 2162)

Data processing: database and file management or data structures

Database design

Data structure types

C718S104000, C718S105000

Reexamination Certificate

active

07493346

ABSTRACT:
Load shedding schemes for mining data streams. A scoring function is used to rank the importance of stream elements, and those elements with high importance are investigated. In the context of not knowing the exact feature values of a data stream, the use of a Markov model is proposed herein for predicting the feature distribution of a data stream. Based on the predicted feature distribution, one can make classification decisions to maximize the expected benefits. In addition, there is proposed herein the employment of a quality of decision (QoD) metric to measure the level of uncertainty in decisions and to guide load shedding. A load shedding scheme such as presented herein assigns available resources to multiple data streams to maximize the quality of classification decisions. Furthermore, such a load shedding scheme is able to learn and adapt to changing data characteristics in the data streams.

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