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Found 6278 publications

Energy distribution modeling of car body deformation using LPV representations and fuzzy reasoning

István Harmati András Rövid Peter Varlaki Lászlõ Szeidl

Publication Name: Wseas Transactions on Systems

Publication Date: 2008-12-01

Volume: 7

Issue: 11

Page Range: 1228-1237

Description:

The main aim of the paper is to introduce a novel method - based on fuzzy control and linear parameter varying (LPV) system representation transformable into HOSVD based Canonical form - for modeling deformation processes with respect to the distribution of the absorbed kinetic energy. Modeling such kind of processes requires many uncertain input parameters. Using the proposed concept we are able to handle them and keep the complexity of the models low by using higher order singular value decomposition (HOSVD) technique.

Open Access: Yes

DOI: DOI not available

Socially inclusive elearning models in companies

No authors available

Publication Name: CEUR Workshop Proceedings

Publication Date: 2008-12-01

Volume: 415

Issue:

Page Range: Unknown

Description:

This paper presents different aspects in developing socially inclusive eLearning models to help people with disabilities improving their work life and facilitating their integration in small and medium sized companies (SMEs) or in other organizations. Two international cooperation that have the main aim of developing and implementing eLearning models for people with disabilities who work for different SMEs and also for groups of SMEs, within virtual communities of practice having similar profiles, are given as an example.

Open Access: No

DOI: DOI not available

Socially inclusive elearning models in companies

Z. Puklus Attila Kürtösi Adina Ionescu Ileana Hamburg

Publication Name: Ceur Workshop Proceedings

Publication Date: 2008-12-01

Volume: 415

Issue: Unknown

Page Range: Unknown

Description:

This paper presents different aspects in developing socially inclusive eLearning models to help people with disabilities improving their work life and facilitating their integration in small and medium sized companies (SMEs) or in other organizations. Two international cooperation that have the main aim of developing and implementing eLearning models for people with disabilities who work for different SMEs and also for groups of SMEs, within virtual communities of practice having similar profiles, are given as an example.

Open Access: Yes

DOI: DOI not available

Energy distribution modeling of car body deformation using LPV representations and fuzzy reasoning

No authors available

Publication Name: WSEAS Transactions on Systems

Publication Date: 2008-12-01

Volume: 7

Issue: 11

Page Range: 1228-1237

Description:

The main aim of the paper is to introduce a novel method - based on fuzzy control and linear parameter varying (LPV) system representation transformable into HOSVD based Canonical form - for modeling deformation processes with respect to the distribution of the absorbed kinetic energy. Modeling such kind of processes requires many uncertain input parameters. Using the proposed concept we are able to handle them and keep the complexity of the models low by using higher order singular value decomposition (HOSVD) technique.

Open Access: No

DOI: DOI not available

Investigation of various matrix factorization methods for large recommender systems

Bottyan Nemeth Istvan Pilaszy Gabor Takacs Domonkos Tikk

Publication Name: Proceedings IEEE International Conference on Data Mining Workshops Icdm Workshops 2008

Publication Date: 2008-12-01

Volume: Unknown

Issue: Unknown

Page Range: 553-562

Description:

Matrix Factorization (MF) based approaches have proven to be efficient for rating-based recommendation systems. In this work, we propose several matrix factorization approaches with improved prediction accuracy. We introduce a novel and fast (semi)-positive MF approach that approximates the features by using positive values for either users or items. We describe a momentum-based MF approach. A transductive version of MF is also introduced, which uses information from test instances (namely the ratings users have given for certain items) to improve prediction accuracy. We describe an incremental variant of MF that efficiently handles new users/ratings, which is crucial in a real-life recommender system. A hybrid MF-neighborbased method is also discussed that further improves the performance of MF. The proposed methods are evaluated on the Netflix Prize dataset, and we show that they can achieve very favorable Quiz RMSE (best single method: 0.8904, combination: 0.8841) and running time. © 2008 IEEE.

Open Access: Yes

DOI: 10.1109/ICDMW.2008.86

Applicability of fuzzy flip-flops in the implementation of neural networks

No authors available

Publication Name: 9th International Symposium of Hungarian Researchers on Computational Intelligence and Informatics, CINTI 2008

Publication Date: 2008-12-01

Volume:

Issue:

Page Range: 333-344

Description:

The concept of various type fuzzy flip-flops (F3) has already been proposed. We have done some investigations on a large scope of F 3s based on different t-norms and conorms. Also we have shown that a few F3 types are suitable for realizing neurons in multilayer perceptrons. The aim of this paper is to present a comparison of the performance of several type neural networks based on fuzzy J-K and also fuzzy D flip-flops (the latter derived from the former type). The behavior of algebraic, Yager, Dombi and Hamacher type fuzzy flip-flop neural networks are presented. The best fitting t-norm and corresponding fuzzy flip-flop type will be presented in terms of function approximation capability.

Open Access: No

DOI: DOI not available

Examination and development of a radio frequency inductor

Miklós Kuczmann Zoltán Pólik

Publication Name: Przeglad Elektrotechniczny

Publication Date: 2008-12-01

Volume: 84

Issue: 12

Page Range: 230-233

Description:

Nowadays, inductors can be found in almost every electrical and electronic product. These key components are needed to store electrical energy, select frequencies, and protect againist overvoltage and overcurrent. In the case of the inductors, which usually work in the range of radio frequency, the one of the most important attributes is the quality factor. The aim of the project is to increase the Q-factor of an RF SMT inductor and to favour the industrial research and development about inductors by using the finite element method.

Open Access: Yes

DOI: DOI not available

Implementation of a basic flow model in traffic controlling

No authors available

Publication Name: 9th International Symposium of Hungarian Researchers on Computational Intelligence and Informatics, CINTI 2008

Publication Date: 2008-12-01

Volume:

Issue:

Page Range: 523-530

Description:

The contribution introduces a basic model, a manner, how to control - using the specific tools - A crossing of a highway and a lower volume road, while we stop the highway's traffic only in a critical case otherwise just slow it down.

Open Access: No

DOI: DOI not available

Modified bacterial memetic algorithm used for fuzzy rule base extraction

János Botzheim László Gál László T. Kóczy

Publication Name: 5th International Conference on Soft Computing as Transdisciplinary Science and Technology Cstst 08 Proceedings

Publication Date: 2008-12-01

Volume: Unknown

Issue: Unknown

Page Range: 425-431

Description:

In this paper we discuss an improved version of the Bacterial Memetic Algorithm (BMA) used for fuzzy rule base extraction. In previous works we have found several ways to improve the original BMA. Some of them perform well rather in the case of more complex fuzzy rule base, and some of them perform well rather in the case of less complex fuzzy rule base. We have combined the improvements into a new version of the BMA that performs well in each case investigated. Copyright 2008 ACM.

Open Access: Yes

DOI: 10.1145/1456223.1456310