Article

A genetic algorithm for dynamic modelling and prediction of activity in document streams

Authors:

Lourdes Araujo,

Juan Julian MereloAuthors Info & Claims

GECCO '07: Proceedings of the 9th annual conference on Genetic and evolutionary computation

Pages 1896 - 1903

https://doi.org/10.1145/1276958.1277340

Published: 07 July 2007 Publication History

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Abstract

This paper presents an evolutionary algorithm for modeling the arrival dates of document streams, which is any time-stamped collection of documents, such as newscasts, e-mails, scientific journals archives and weblog postings. The goal is to find a frequency curve that fits the data circumventing the unavoidable noise. Classical dynamic programming algorithms are limited by memory and efficiency requirements, which can be a problem when dealing with long streams. This suggests to explore alternative search methods which although do not guarantee optimality, are far more efficient. Experiments have shown that the designed evolutionary algorithm is able to reach high quality solutions in a short time. We have also explored different approaches to infer whether new arrivals increase or decrease interest in the topic the document stream is about. In particular, we present a variant of the evolutionary algorithm, which is able to very quickly fit a stream extended with new data, by taking advantage of the fit obtained for the original substream. These mechanisms can be used for real time detection of changes in the trend of interest in a topic, an important application of this kind of models.

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Pal KSaha CDas SCoello Coello C(2013)Dynamic Constrained Optimization with offspring repair based Gravitational Search Algorithm2013 IEEE Congress on Evolutionary Computation10.1109/CEC.2013.6557858(2414-2421)Online publication date: Jun-2013
https://doi.org/10.1109/CEC.2013.6557858
Nguyen TYao X(2013)Evolutionary Optimization on Continuous Dynamic Constrained Problems - An AnalysisEvolutionary Computation for Dynamic Optimization Problems10.1007/978-3-642-38416-5_8(193-217)Online publication date: 2013
https://doi.org/10.1007/978-3-642-38416-5_8
Pal KSaha CDas S(2013)Differential Evolution and Offspring Repair Method Based Dynamic Constrained Optimization4th International Conference on Swarm, Evolutionary, and Memetic Computing - Volume 829710.1007/978-3-319-03753-0_27(298-309)Online publication date: 19-Dec-2013
https://dl.acm.org/doi/10.1007/978-3-319-03753-0_27
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GECCO '07: Proceedings of the 9th annual conference on Genetic and evolutionary computation

July 2007

2313 pages

ISBN:9781595936974

DOI:10.1145/1276958

General Chair:
Hod Lipson
Cornell University, USA

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

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Published: 07 July 2007

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GECCO07: Genetic and Evolutionary Computation Conference

July 7 - 11, 2007

London, England

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GECCO '07 Paper Acceptance Rate 266 of 577 submissions, 46%;

Overall Acceptance Rate 1,669 of 4,410 submissions, 38%

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Pal KSaha CDas SCoello Coello C(2013)Dynamic Constrained Optimization with offspring repair based Gravitational Search Algorithm2013 IEEE Congress on Evolutionary Computation10.1109/CEC.2013.6557858(2414-2421)Online publication date: Jun-2013
https://doi.org/10.1109/CEC.2013.6557858
Nguyen TYao X(2013)Evolutionary Optimization on Continuous Dynamic Constrained Problems - An AnalysisEvolutionary Computation for Dynamic Optimization Problems10.1007/978-3-642-38416-5_8(193-217)Online publication date: 2013
https://doi.org/10.1007/978-3-642-38416-5_8
Pal KSaha CDas S(2013)Differential Evolution and Offspring Repair Method Based Dynamic Constrained Optimization4th International Conference on Swarm, Evolutionary, and Memetic Computing - Volume 829710.1007/978-3-319-03753-0_27(298-309)Online publication date: 19-Dec-2013
https://dl.acm.org/doi/10.1007/978-3-319-03753-0_27
Nguyen TYao X(2012)Continuous Dynamic Constrained Optimization—The ChallengesIEEE Transactions on Evolutionary Computation10.1109/TEVC.2011.218053316:6(769-786)Online publication date: 1-Dec-2012
https://dl.acm.org/doi/10.1109/TEVC.2011.2180533

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