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The world’s industries are moving into the ‘new economy’ of electronic market. The success of this move depends on efficient and reliable management of the business processes that will drive the e-Market’s value-chain. Efficiency can only be achieved through automation. Reliability will be achieved by reliable and dependable process management systems. These electronic trans-corporate processes cover...
In supply chain management, improving the efficiency of the overall supply chain is important. It has been found that sharing information between supply chain members can increase the efficiency of the supply chain by varying degrees in different situations. There are, however, many practical difficulties in sharing information with all the companies in a complex supply chain. This paper presents...
Teamwork is an effective way of cooperative problem solving in dynamic and unpredictable application contexts. The concept of joint intention is the key of teamwork. How various speech acts can be used to form, maintain and dissolve the joint intention is a significant problem need to be investigated. The paper makes an in-depth analysis of the insufficiency of FIPA ACL with which agents to form the...
This paper discusses the storage and analysis of past hierarchical-planning results in order to identify implicit costs and resource relationships between activities in multi-agent contexts. We have previously proposed a plan-reuse framework in which plans are stored as templates after use and then reused to speed up planning activity in multi-agent systems. In this paper, we propose the mechanizm...
Social and economic systems consist of complex interactions among its members. Their behaviors become adaptive according to changing environment. In many cases, an individual’s behaviors can be modeled by a stimulus-response system in a dynamic environment. In this paper, we use the Iterated Prisoner’s Dilemma (IPD) game, which is a simple model to deal with complex problems for dynamic systems. We...
In a travel scenario the travel agent often faces a situation: the users only provide their preferences on visiting destinations, while the visiting orders and the arrangements of transportations are left to the decision of the travel agent. Therefore the travel agent must find suitable (both efficient and economic) tracks for the users given their visiting destinations, different transportation services,...
Knowledge-based information extraction is known to have flexibility in recognizing various kinds of target information by exploiting the domain knowledge to automatically generate information-extraction rules. However, most of previous knowledge-based information-extraction systems are only applicable to labeled documents, and as a result, ontology terms must appear in the document in order to guide...
Collaborative filtering is the most successful recommendation method, but its widespread use has exposed some well-known limitations, such as sparsity and scalability. This paper proposes a recommendation methodology based on Web usage mining and SVD (Singular Value Decomposition) to enhance the recommendation quality and the system performance of current collaborative filtering-based recommender...
Current research issues on web services have come to center around flexible composition of existing services. Under the initiative of industry, flexible composition framework has been developed on a workflow model where flow of the processes and bindings among services should be known beforehand. In short, its framework realizes flexible composition within the available services that are not widely...
In recent years multi-agent systems have demonstrated the power to handle complex real-time scheduling problems. They have also been used to integrate distributed information to provide access to heterogeneous data sources. Combining these two approaches to produce a multi-agent system that can use distributed heterogeneous data for real-time scheduling is a challenging problem. In this paper we introduce...
The Semantic Web aims to represent the data on the World Wide Web to have formal semantics that will enable autonomous agents to reason about the data and carry out more intelligent tasks on behalf of the user. Especially the OWL Web Ontology Language is designed for use by applications that need to process the content of information instead of just presenting information to humans. OWL facilitates...
In this paper, we extend our framework of speculative computation in multi-agent systems by using default constraints. In research on multi-agent systems, handling incomplete information due to communication failure or due to other agents’ delay in communication, is a very important issue. For a solution to this problem, we previously proposed speculative computation based on abduction in the context...
This paper is concerned with coordinated collaboration of multiagent systems in which there exist multiple agents which have their own set of skills to perform some tasks, multiple external resources which can be either used exclusively by an agent or shared by the specified number of agents at a time, and a set of tasks which consist of a collection of subtasks each of which can be carried out by...
This paper introduces rational communication among agents in multi-agent semi-competitive environments. In such environments, agents have both incentives to be honest and to be dishonest. Therefore, agents need to decide whether or not to trust other agents. This paper differentiates the concepts of reputation, impression and trust; proposes to include the agent’s attitude towards risk in deriving...
Ontology has an important role in Multi-Agent Systems communication once it provides a vocabulary to be used in the communication between agents. It is hard to find out two agents using precisely the same vocabulary. They usually have a heterogeneous private vocabulary defined in their own private ontology. In order to provide help in the conversation among different agents, we are proposing what...
The volume of literature in the medical domain is expanded exponentially and generating a proper query for finding related information puts a cognitive burden on users, due to a full of professional keywords in the domain. We describe an ontology-based information retrieval agent system in medicine through bio-related literature database MEDLINE, in particular. The task of interface agent system here...
Hospital systems are heterogeneous and the clinical information scattered. The development of a clinical information system to integrate the information among hospitals and make legacy systems cooperate is thus difficult. For efficient clinical information management and system integration, clinical data, patient data privacy and integration of records need to be well organized and conform to relevant...
We focus on interactive comedy, a relatively new genre in interactive drama, in this study. To be able to maintain the story, we adopt hierarchical task network planning (HTN) for planning of a character agent. We then extend HTN such that the extended HTN allows for the direct use of character failures, higher interactions with the viewer, and more story variations. Our extensions lead to effective...
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