Publications

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A
Ismael, O., S. ElBeltagy, R. Bahgat, and A. Rafea, "Agent Coalition Formation Via Inducing Trust Ratio", International Conference on Agents and Artificial Intelligence (ICAART 2009), Porto – Portugal, pp. 469-474, January, 2009. Abstract

This work presents a model for assigning trust values to agents operating within a collaborative multi-agent system. The model enables agents to assess the trustworthiness of their peers, and thus, to be able to select reliable ones for cooperation and coalition formation. In this work, the performance of a group of agents – a team – that collaborate to achieve a shared goal where the individual contribution of each agent is unknown, is evaluated. The work thus aims to present a reliable method for calculating a trust value for agents involved in teamwork. More specifically, this research presents a model – called Inducing the Trust Ratio Model - for evaluating the individual trustworthiness of a group of agents. Toward this end, the model makes use of genetic algorithms to induce the trust ratio of each coalition member. Empirical analysis is undertaken to evaluate the effectiveness of this model

Mostafa, H., and R. Bahgat, "The agent visualization system: a graphical and textual representation for multi-agent systems", Information Visualization, vol. 4, pp. 83-94, 2005.
Bahgat, R., V. S. Costa, and R. Yang, "ARCH: A Parallel Execution Model that Minimizes the Search Space of Logic Programs", The Egyptian Computer Journal, Institute of Statistical Studies and Research, Cairo University, vol. 23 , issue 2, 1995.
Bahgat, R., and F. Saleh, "The Archaeological Map of Egypt (Archeological Heritage Resource Management System)", in Proceedings of the 29th Conference of Computer Applications and Quantitative Methods in Archaeology (CAA 2001), Sweden, pp. 253-260, 2001. Abstract
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Bahgat, R., A. Khamis, and R. AbdelAziz, "Automatic Test Data Generation using Data Flow Information ", Dergisi Journal, Dogus University, Turkey, vol. 2, pp. 140-153, 2000.
C
El-matarawy, A., M. El-Ramly, and R. Bahgat, "Code Clone Detection using Sequential Pattern Mining", International Journal of Computer Applications, vol. 127, issue 2, pp. 10-18, 2015.
Ismael, O., S. ElBeltagy, R. Bahgat, and A. Rafea, "Collaborative Knowledge Based System through Multi-Agent Technology", The 42nd Annual Conference on Statistics, Computer Science, and Operation Research, Cairo-Egypt, Cairo University, pp. 92-108, 2007.
D
Aboulwafa, S., and R. Bahgat, "DiReCT: Dirichlet-based Reputation and Credential Trust Management", In Proceedings of the 2010 7th International Conference on Informatics and Systems, (INFOS2010), Cairo-Egypt, IEEE CFP1006J-CDR, 2010.
Bahgat, R., and R. Yang, "A Distributed Repair-based Technique for Constraint Satisfaction", In Proceedings of the Seventh ISCA International Conference on Intelligent Systems, Paris-France, 1998.
E
FATHY, G., H. Hassan, W. Sheta, and R. Bahgat, "Efficient framework for mobile walkthrough application", Pervasive and Mobile Computing, ELSEVIER, vol. 18, 2015.
El-matarawy, A., M. El-Ramly, and R. Bahgat, "EGYCD Visualization for Code Clones", International Journal of Computer Applications, vol. 142, issue 4, pp. 16-19, 2016.
Farag, G., S. AbdelRahman, R. Bahgat, and A. A-Moneim, "Estimating Negotiation Agreement Zone Using Support Vector Machine with Genetic Algorithm", In Proceedings of the 2010 7th International Conference on Informatics and Systems, (INFOS2010), Cairo-Egypt, IEEE CFP1006J-CDR, 2010.
Younan, M., S. Khattab, and R. Bahgat, "Evaluation of an Integrated Testbed Environment for the Web of Things", International Journal on Advances in Intelligent Systems, vol. 8, issue 3&4, 2015.
Bahgat, R., H. Abbas, and M. Rasmy, "Evaluation of Constraint Logic Programming from an Operations Research Point of View", In Proceedings of the Third International Conference on AI Applications, Cairo-Egypt, pp. 302-313, 1995.
Shaalan, K., M. Rizk, Y. Abdelhamid, and R. Bahgat, "An expert system for the best weight distribution on ferryboats", Expert Systems with Applications, Elsevier, vol. 26, issue 3, pp. 397-411, 2004.
F
Mahdi, M., S. AbdelRahman, R. Bahgat, and I. Ismail, "F-Tree: an algorithm for Clustering Transactional Data Using Frequency Tree", Al-Azhar Engineering Eleventh International Conference, AEIC , Cairo, Egypt, 2010.
Bahgat, R., A. Abdel-Aziz, S. Nassar, and S. Shaheen, "Families of Parallel Logic Programming Languages", The Egyptian computer Journal, Institute of Statistical Studies and Research ,Cairo University, vol. 22, issue 1, 1994.
Hassan, B., S. Abdelrahman, and R. Bahgat, "FCICU: The Integration between Sense-Based Kernel and Surface-Based Methods to Measure Semantic Textual Similarity", The 9th International Workshop on Semantic Evaluation (SemEval-2015), Denver, Colorado – USA, 4, 2015.
Bahgat, R., M. Mahdi, and S. AbdelRahman, "Frequency Tree for Clustering Categorical Data with Similarity Measure Based on Items’ Weights", Qatar Foundation Annual research Forum, Doha-Qatar, Qatar Foundation, 2012.
Bahgat, R., M. H. Rasmy, and H. A. Abbass, "From Constraint Logic Programming (CLP) to Decision Making Logic Programming (DMLP)", In Proceedings of the 6th International Conference on Computer Theory and Applications: Alexandria –Egypt, pp. 25-37, 1997.
Bahgat, R., M. H. Rasmy, and H. A. Abbass, "The Front-End of an Intelligent Linear Goal Programming System", In Proceedings of the 6th International Conference on Computer Theory and Applications, Alexandria –Egypt, pp. 25-37, 1996.
H
Bahgat, R., "Hierarchical Constraint Logic Programming for Scheduling Problems", In Proceedings of the Annual Conference on Statistics Computer Science and Operations Research, Institute of Statistical Studies and Research, Cairo, 1993.
Bahgat, R., "Hybrid Coordination Approach for Intelligent Navigation Through Multi-Contextual Information", Egyptian Informatics Journal, vol. 3, issue 2, 2002.
I
Bahgat, R., "An Image –based Information System for the Archaeological Description of Stelae", In Proceedings of the Seventh International Congress of Egyptologists, Cambride-England, 1995. Abstract
n/a
Abdel Latif, A., A. Kamel, and R. Bahgat, "An Implementation of a Fast Threaded Nondeterministic LL (*) Parser Generator", International Journal of Computer Applications, 2015.