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Zhang, X. (author), Ai, T. (author), Stoter, J.E. (author)Building patterns are important features in applications like automated generalization and spatial data mining. Many previous work has however focused on a few specific patterns (i.e. collinear pattern), while many others are less discussed. This paper proposes a comprehensive typology of available building patterns through the study of existing...conference paper
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De Weerdt, M.M. (author), Zhang, Y. (author), Klos, T. (author)This paper proposes a new variant of the task allocation problem, where the agents are connected in a social network and tasks arrive at the agents distributed over the network. We show that the complexity of this problem remains NPhard. Moreover, it is not approximable within some factor. We develop an algorithm based on the contract-net...conference paper 2007
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De Weerdt, M.M. (author), Zhang, Y. (author), Klos, T. (author)Full paper is published in: Proceedings Autonomous Agents and Multi-Agent Systems (AAMAS), 2007conference paper 2007
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Zhang, Y. (author), De Weerdt, M.M. (author)In many applications of the task allocation problem such as peer-topeer and grid computing, and virtual organizations, the (social or business) relations between the participating agents play an important role, and thus they should be taken into account. Furthermore, in such applications, agents providing the resources usually act self...conference paper 2007
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Ding, Y. (author), Zhang, J.Q. (author)Retrieve the structure of model and the motion of camera is a classical and hot topic in computer vision and photogrammetry. A lot of automatic or semiautomatic techniques have been developed to optimize the retrieving processing from accuracy, stability and reality perspectives. These techniques are variant from data source, feature selection...conference paper 2008
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Van der Krogt, R.P.J. (author), De Weerdt, M.M. (author), Zhang, Y. (author)Multiagent planning methods are concerned with planning by and for a group of agents. If the agents are selfinterested, they may be tempted to lie in order to obtain an outcome that is more rewarding for them. We therefore study the multiagent planning problem from a mechanism design perspective, showing how to incentivise agents to be truthful....conference paper 2008
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- Van der Krogt, R.P.J. (author), De Weerdt, M.M. (author), Zhang, Y. (author) conference paper 2008
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Zhang, Z. (author), Xiao, Y. (author), Yang, Y. (author), Boom, R. (author), Voncken, J.H.L. (author)Vitrification is considered to be an attractive technology for bottom ash treatment because it destroys the hazardous organics, contributes to immobilization of the heavy metals, and additionally it reduces drastically the volume. The main components of the vitrified bottom ash slag are SiO2 , CaO, Al2 O3 , Fe2 O3 , Na 2 O and MgO, and the...conference paper 2009
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Zhang, Y. (author), De Weerdt, M.M. (author)When information or control in a multiagent system is private to the agents, they may misreport this information or refuse to execute an agreed outcome, in order to change the resulting end state of such a system to their benefit. In some domains this may result in an execution failure. We show that in such settings VCG mechanisms lose...conference paper 2009
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Zhang, M. (author), Tavasszy, L.A. (author), Van der Heijden, R.E.C.M. (author)Developing rail freight sector in the EU is desirable from both a political-social point of view and from a market business point of view. Fragmentation in the national railway systems impedes, in many ways, social and economic benefits in the liberalised EU railway market. The need for innovative governance to deal with the fragmentation...conference paper 2009
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Zhang, Y. (author), De Weerdt, M.M. (author)When information or control in a multiagent system is private to the agents, they may misreport this information or refuse to execute an agreed outcome, in order to change the resulting end state of such a system to their benefit. This may result in execution failures. When only information is private, mechanisms such as VCG use payments to...conference paper 2009