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Agent and Multi-Agent Systems: Technologies and Applications: 4th KES International Symposium, KES-AMSTA 2010 Gdynia, Poland, June 23-25, 2010, Proceedings
By Robert J. Howlett (editor), Piotr Jedrzejowicz (editor), Lakhmi C. Jain (editor) and Ngoc Thanh Nguyen (editor)
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Bibliographic Detail
Publisher Springer-Verlag New York Inc
Publication date July 1, 2010
Pages 411
Binding Paperback
Book category Adult Non-Fiction
ISBN-13 9783642135408
ISBN-10 3642135404
Dimensions 1 by 6.25 by 9.25 in.
Weight 1.45 lbs.
Published in Europe
Original list price $129.00
Summaries and Reviews description: Product Description: Presented experiments show that usage ofevolutionary approach to feature - duction is justi?ed.Feature selection as well as construction gives goodresults. It is noticeable that attribute construction s best results assign higher classi?- tion accuracy than feature selection alone.That is why, carrying out selection before construction to decrease searchingspace isagoodsolution. Because of indeterministicbehavior of neuralnetworks, it was di?cultto - ducefeaturesetincaseofusingthemto evaluatecandidateresults.Forexample, aneuralnetworklearntverywellondatathatwasdescribedbyfullattributeset, but when thisset was decreased it had huge problems to do this duringrequired number ofepochs.That suggests that usingC4.5 ismuchmore preferred. Numerous experiments havebeen performed and observed.Analysis ofabove results allowsto put the hypothesisthat it is worth to use Construction module as the feature set reduction. But experiments show that Constructormodule does not work sowell whenitusesthe whole initial set offeatures the search space istoo large.Soit is worth to use ?rstly Selectorand nextConstructor. The second important issue isthatConstructor destructs the semanticmeaning of the features.New constructed features are notunderstandableforusers.In some real-liveproblems measuring offeature values isquite expensive, forsuch problems selector seems to be more suitable because itdiminishes a number of realfeatures.To constructonefeaturesa number ofreal(measured)featurescan be required. Obtainedresults haveencouragedus to extendour system, especiallythe c- structormodule.Weplan to developenlarged set offunctionsFwhich allowsto use the system with data containingdi?erenttype offeatures, not only nume- cal. Such system will be veri?ed usingagreater number ofbenchmark data sets as well as real data. Acknowledgments. This work ispartially ?nanced fromthe Ministryof S- ence and Higher Education Republic of Polandresources in 2008 2010 years as a Poland Singapore joint research project 65/N-SINGAPORE/2007/0."

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from Springer-Verlag New York Inc (July 1, 2010)
9783642135408 | details & prices | 411 pages | 6.25 × 9.25 × 1.00 in. | 1.45 lbs | List price $129.00
About: Presented experiments show that usage ofevolutionary approach to feature - duction is justi?

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