Trust is an essential component of successful interactions in social life as well as in business relationships. In this paper we propose a system that closely reflects real-world trust building in an online environment. We describe the models used to represent trust in entities in various categories, algorithms to calculate and update trust based on experiences of entities with each other and t...

There is legitimate concern that, within the next few years, the Internet will provide a fertile medium for new breeds of computer viruses capable of spreading orders of magnitude faster than today's viruses. To counter this threat, we have developed an immune system for computers that senses the presence of a previously unknown pathogen, and within minutes automatically derives and deploys a p...

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Plan recognition is an important task whenever a system has to take into account an agent’s actions and goals in order to be able to react adequately. Most plan recognizers work by merely maintaining a set of equally plausible plan hypotheses each of which proved compatible with recent observations without taking into account individual preferences of the currently observed agent. Such addition...

The update of a belief database with disjunctive knowledge which is contradictory with the beliefs of an agent poses some problems when we want to perform belief-revision with minimal changes. We define a representation of beliefs based on rules. Clauses have already been used to represent beliefs. We combine them with defaults, which allows a simple treatment of disjunctive beliefs. The behavi...

Behef revision and belief update have been proposed as two types of behef change serving differ ent purposes Belief revision is intended to capture changes of an agent's belief state reflecting new information about a static world Belief update is intended to capture changes of behef in response to a changing world We argue that both belief revision and behef update are too restrictive, routine...

In order to safeguard one’s privacy while accessing the internet, it is crucial have an antivirus program installed on device. Despite their usefulness in protecting against malware, these programs are not foolproof. Cybercriminals access numerous techniques and tools for circumventing software, which can greatly aid them illicit activities. The objective of this research was examine most preva...

A real-time path planning algorithm based on the Markov decision process (MDP) is proposed in this paper. This can be used dynamic environments to guide wheeled mobile robot goal. Two phases (the utility update phase and policy phase) constitute of entire system. In phase, value updated information from observable environment. Obstacles walls reduce value, pushing agents away these impassable a...