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Browsing by Author "Tekbacak, Fatih"
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An architecture for verification of access control policies with multi agent system ontologies
Tekbacak, Fatih; Tuğlular, Tuğkan; Dikenelli, Oğuz (IEEE, 2009)Multi-agent systems (MAS) which communicate with intra-domain and inter-domain agent platforms have access control requirements. Instead of a central mechanism, a fine-graned access control mechanism could have been applied ... -
Developing a security mechanism for software agents
Tekbacak, Fatih (Izmir Institute of Technology, 2006)This thesis proposes a message security solution on multi-agent systems. A general security analysis based on properties of software agents is presented along with an overview of security measures applicable to multi-agent ... -
Performance comparison of combined collaborative filtering algorithms for recommender systems
Tapucu, Dilek; Kasap, Seda; Tekbacak, Fatih (IEEE, 2012)Recommender systems have a goal to make personalized recommendations by using filtering algorithms. Collaborative filtering (CF) is one of the most popular techniques for recommender systems. As usual, huge number of the ... -
Policies for role based agents in environments with changing ontologies
Tekbacak, Fatih; Tuğlular, Tuğkan; Dikenelli, Oğuz (International Foundation for Autonomous Agents and Multiagent Systems, 2011)Software agents try to achieve the goals of roles that they have in an environment. It is supposed that the dynamic structure of role based agents can be connected with updatable domain ontologies of the environment. ... -
A semantic based certification and access control approach using security patterns on SEAGENT
Tekbacak, Fatih; Tuğlular, Tuğkan; Dikenelli, Oğuz (Knowledge Systems Institute Graduate School, 2008)In this paper, we propose a security infrastructure for communication between agents adaptable to FIPA security specifications by employing security patterns and semantic based policy descriptions. Security patterns are ... -
A survey of agent technologies for wireless sensor networks
Daǧdeviren, Orhan; Korkmaz, İlker; Tekbacak, Fatih; Erciyeş, Kayhan (Medknow Publications and Media, 2011-03)Wireless sensor networks (WSNs) do not have a fixed infrastructure and consist of sensor nodes that perform sensing and communicating tasks. The WSNs have large application spectrum such as habitat monitoring, military ...
