Searched for: faculty%3A%22Electrical%255C+Engineering%252C%255C+Mathematics%255C+and%255C+Computer%255C+Science%22
(1 - 20 of 93)
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Morales-España, G. (author), Davidson, M. (author), Ramírez-Elizondo, L. (author), De Weerdt, M.M. (author)This document is an online companion for the paper "Robust Unit Commitment with Dispatchable Wind: An LP Reformulation of the Second-stage".report 2015
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Polevoy, G. (author), Trajanovski, S. (author), De Weerdt, M.M. (author)Shared effort games model people's contribution to projects and sharing the obtained profits. Those games generalize both public projects like writing for Wikipedia, where everybody shares the resulting benefits, and all-pay auctions such as contests and political campaigns, where only the winner obtains a profit. In ?-equal sharing (effort)...conference paper 2014
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Ströhle, P. (author), Gerding, E.H. (author), De Weerdt, M.M. (author), Stein, S. (author), Robu, V. (author)We design new algorithms for the problem of allocating uncertain, flexible, and multi-unit demand online given uncertain supply, in order to maximise social welfare. The algorithms can be seen as extensions of the expectation and consensus algorithms from the domain of online scheduling. The problem is especially relevant to the future smart...conference paper 2014
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Scharpff, J.C.D. (author), Spaan, M.T.J. (author), Volker, L. (author), De Weerdt, M.M. (author)Scheduling of infrastructural maintenance poses a complex multi-agent problem. Commonly a central authority is responsible for the quality and throughput of the infrastructure, while the actual maintenance is performed by multiple self-interested contractors. Not only does the central authority have to (economically) incentivise agents to...conference paper 2013
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Scharpff, J. (author), Spaan, M.T.J. (author), Volker, L. (author), De Weerdt, M.M. (author)We address efficient planning of maintenance activities in infrastructural networks, inspired by the real-world problem of servicing a highway network. A road authority is responsible for the quality, throughput and maintenance costs of the network, while the actual maintenance is performed by autonomous, third-party contractors. From a (multi...conference paper 2013
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- Scharpff, J. (author), Spaan, T.J. (author), Volker, L. (author), De Weerdt, M. (author) conference paper 2013
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De Weerdt, M.M. (author), Gerding, E.H. (author), Stein, S. (author), Robu, V. (author), Jennings, N.R. (author)En-route charging stations allow electric vehicles to greatly extend their range. However, as a full charge takes a considerable amount of time, there may be significant waiting times at peak hours. To address this problem, we propose a novel navigation system, which communicates its intentions (i.e., routing policies) to other drivers. Using...conference paper 2013
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Scharpff, J.C.D. (author), Spaan, M.T.J. (author), De Weerdt, M.M. (author)We study the planning of maintenance activities on public infrastructural networks – road networks, Internet, power grids, etc. – in contingent environments such that the negative impact on the network user is minimised. Traditional efforts hereto are mainly of a regulatory nature, whereas we propose charging the service-providers (agents)...conference paper 2012
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Noroozian, A. (author), De Weerdt, M.M. (author), Witteveen, C. (author)The fundamental problem with P2P networks is that quality of service depends on altruistic resource sharing by participating peers. Many peers freeride on the generosity of others. Current solutions like sharing ratio enforcement and reputation systems are complex, exploitable, inaccurate or unfair at times. The need to design scalable...conference paper 2012
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Ketter, W. (author), Collins, J. (author), Reddy, P. (author), Flath, C. (author), De Weerdt, M.M. (author)This is the specification for the Power Trading Agent Competition for 2012 (Power TAC 2012). Power TAC is a competitive simulation that models a “liberalized” retail electrical energy market, where competing business entities or “brokers” offer energy services to customers through tariff contracts, and must then serve those customers by trading...report 2011
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Ten Thije, O. (author), Planken, L.R. (author), De Weerdt, M.M. (author)Efficient management of temporal constraints is important for temporal planning. During plan development, many solvers employ a heuristic-driven backtracking approach, over the course of which they maintain a so-called Simple Temporal Network (STN) of events and constraints. This paper presents the Vertex-IPPC algorithm, which efficiently...conference paper 2011
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- Planken, L.R. (author), De Weerdt, M.M. (author), Van der Krogt, R. (author) conference paper 2011
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Verwer, S.E. (author), De Weerdt, M.M. (author), Witteveen, C. (author)We develop a novel learning algorithm RTI for identifying a deterministic real-time automaton (DRTA) from labeled time-stamped event sequences. The RTI algorithm is based on the current state of the art in deterministic finite-state automaton (DFA) identification, called evidence-driven state-merging (EDSM). In addition to having a DFA structure...journal article 2011
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De Weerdt, M.M. (author), Ketter, W. (author), Collins, J. (author)We consider the problem of designing a pricing mechanism for precisely controlling the real-time balance in electricity markets, where retail brokers aggregate the supply and demand of a number of individual customers, and must purchase or sell power at the wholesale level such that the total supply matches total demand. This is typically done...conference paper 2011
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Verwer, S.E. (author), De Weerdt, M.M. (author), Witteveen, C. (author)We advocate the use of an explicit time representation in syntactic pattern recognition because it can result in more succinct models and easier learning problems. We apply this approach to the real-world problem of learning models for the driving behavior of truck drivers. We discretize the values of onboard sensors into simple events. Instead...conference paper 2011
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Wu, M. (author), De Weerdt, M.M. (author), La Poutré, H. (author)In the market of global logistics, agents need to decide upon whether to accept jobs sequentially offered to them. These jobs, which need to be executed in the near future, have different payments and time constraints. In the offering process we study here, an agent (with limited capacity) needs to make an immediate acceptance decision with...conference paper 2011
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Máhr, T. (author), Srour, F.J. (author), De Weerdt, M. (author)In most real-world settings, a transportation plan requires modifications during execution. A thorough evaluation of transportation planning methods thus requires testing and comparison in a dynamic environment. We give conditions on a simulation environment that follow from this requirement, and propose a multi-agent simulator meeting these...conference paper 2011
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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 NP-complete. Moreover, it is not approximable within some factor. In contrast to this, we develop an efficient greedy...journal article 2011
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De Weerdt, M.M. (author), Harrenstein, P. (author), Conitzer, V. (author)A contract auction establishes a contract between a center and one of the bidders. As contracts may describe many terms, preferences over contracts typically display indifferences. The Qualitative Vickrey Auction (QVA) selects the best contract for the winner that is at least as good for the center as any of the contracts offered by the non...journal article 2011
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Hindriks, K.V. (author), Tykhonov, D. (author), De Weerdt, M.M. (author)A result of Bulow and Klemperer has suggested that auctions may be a better tool to obtain an efficient outcome than negotiation. For example, some auction mechanisms can be shown to be efficient and strategy-proof. However, they generally also require that additional constraints are met which are not always easy to guarantee in practice. It...book chapter 2010
Searched for: faculty%3A%22Electrical%255C+Engineering%252C%255C+Mathematics%255C+and%255C+Computer%255C+Science%22
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