R. Hock, Web search engines: Features and commands: Search Engine Section, Online, pp.24-28, 1999.

F. Liu and C. Yu, Personalized web search for improving retrieval effectiveness, IEEE Transactions on knowledge Data Engineering, pp.28-40, 2004.

L. Feigenbaum, I. Herman, T. Hongsermeier, E. Neumann, and S. Stephens, The Semantic Web in Action, Scientific American, vol.297, issue.6, pp.90-97, 2007.
DOI : 10.1038/scientificamerican1207-90

D. J. Grey, G. Dunne, and R. I. Ferguson, A Mobile Agent Architecture for Searching the WWW, Scien- tific Commons, paper available under, p.42430563, 2007.

M. Coté, B. Chaib-draa, and N. Troudi, NetSA: A reusable multi-agents architecture for rich information environments, 2002.

T. Bauer and D. B. Leak, Handling Complex Information Environments: A Multi-Agent Framework, Proceedings of the Fourth International Bi- Conference Workshop on Agent-Oriented Information Systems (AOIS-2002 at AAMAS*02) Publisher : CEUR-WS.org, Series: CEUR Workshop Proceedings, 2002.

S. Leriche and J. Arcangeli, Flexible Architectures of Adaptive Agents: the Agentphi Approach, In: International Journal of Grid Computing and Multi-Agent Systems, Serials Publications, vol.1, issue.1, pp.51-71, 2010.

V. Prem, M. Swamynathan, and S. , Role of Mobile Agent in Medical Information Retrieval in Mass Casualty Scene ? A Performance Study in Web Environment, WSEAS Transactions on Information Science and Applications, vol.10, issue.8, 2011.

E. N. Effanga, D. E. Asuquo, and E. E. Williams, Information Retrieval using Jade Mobile Agent System, World Journal of Applied Science and Technology, vol.3, issue.1, pp.2141-3290, 2011.

. Tilab, Jade official site: http://jade.tilab.com [Accessed in, 2012.

D. E. Menacer, H. Drias, and C. Sibertin-blanc, The MP architecture: towards a secure framework for mobile agents, International Journal of Agent-Oriented Software Engineering, vol.4, issue.4, pp.390-414, 2011.
DOI : 10.1504/IJAOSE.2011.043644

D. E. Menacer, H. Drias, and C. Sibertin-blanc, Towards a Security Solution for Mobile Agents, Proceeding of the 2013 World Conference on Information Systems and Technologies (WorldCIST'13) Advances in Information Systems and Technologies, pp.969-979, 2013.
DOI : 10.1007/978-3-642-36981-0_91

Y. Wang, K. L. Tan, and J. Ren, A Study of Building Internet Marketplaces on the Basis of Mobile Agents for Parallel Processing, World Wide Web, vol.5, issue.1, pp.41-66, 2002.
DOI : 10.1023/A:1015798306889

C. Adams and S. Lloyd, Understanding PKI: Concepts , Standards, and Deployment Considerations, p.672323915, 2002.

H. Xu and S. M. Shatz, A Framework for Model- Based Design of Agent-Oriented Software, IEEE Transactions on Software Engineering, vol.29, issue.1, pp.15-30, 2003.

F. Hsieh, Analysis of contract net in multi-agent systems, Automatica, vol.42, issue.5, pp.733-740, 2006.
DOI : 10.1016/j.automatica.2005.12.002

F. Bellifemine, G. Caire, and D. Greenwood, Developing Multi-Agent Systems with JADE, pp.20-2007

G. Fortino, A. Garro, S. Mascillaro, and W. Russo, Using event-driven lightweight DSC-based agents for MAS modelling, International Journal of Agent-Oriented Software Engineering, vol.4, issue.2, pp.113-140, 2010.
DOI : 10.1504/IJAOSE.2010.032798

A. Turpin and F. Scholer, User performance versus precision measures for simple search tasks, Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval , SIGIR '06, pp.11-18, 2006.
DOI : 10.1145/1148170.1148176