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Raaijmakers, S. (author)We propose a deep graphical model for the correction of isolated spelling errors in text. The model is a deep autoencoder consisting of a stack of Restricted Boltzmann Machines, and learns to associate errorfree strings represented as bags of character n-grams with bit strings. These bit strings can be used to find nearest neighbor matches of...conference paper 2013
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Ranjbar-Sahraei, B. (author), Alers, S. (author), Stankova, K. (author), Tuyls, K. (author), Weiss, G. (author)Diversity and inequality are essences of our real world. Ant colonies are comprised of hundreds of individuals, with no two of them being exactly identical. A flock of birds contains individuals with slight variations in size, speed and vision. Looking at human societies such diversity can be seen among individuals differing in body shape and in...conference paper 2013
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Cace, I. (author), Meyer, J.J.C. (author), Pieterman, C.R.C. (author), Valk, G.D. (author)We show and discuss the benefits of incorporating a domain model as part of a classifier: it guards against over-fitting, helps ensure the classifier is appropriate for the problem at hand and adds to classification explainability.conference paper 2013
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Lukovnikov, D. (author), Verbeke, M. (author), Berendt, B. (author)This paper focuses on topic-based prediction of interest of individual users to posts in the context of Twitter. Two methods for enriching tweets using DBpedia for the purposes of classification are proposed. The first method incorporates entity linking and uses linked entities in a tweet to improve classification, whereas the second method aims...conference paper 2013
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Linssen, J. (author), Theune, M. (author), Heylen, D. (author)We propose a combination of theories about interpersonal stances and politeness to inform virtual agent behaviour in a serious game, aimed at social interaction training in the domain of law enforcement. A pilot study we conducted showed promising results based on which we will refine our model.conference paper 2013
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Oliehoek, F.A. (author), Whiteson, S. (author), Spaan, M.T.J. (author)Dec-POMDPs are a powerful framework for planning in multiagent systems, but are provably intractable to solve. This paper proposes a factored forward-sweep policy computation method that tackles the stages of the problem one by one, exploiting weakly coupled structure at each of these stages. An empirical evaluation shows that the loss in...conference paper 2013
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Zhao, W. (author), Bou Ammar, H. (author), Roos, N. (author)In this paper a novel framework capable of both accurate predictions and classifications of dynamic images is introduced. The proposed technique makes of use of a novel combination of sparse coding, a feature extraction algorithm, and three-way weight tensor conditional restricted Boltzmann machines, a form of deep learning. Experiments...conference paper 2013
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Christiaens, J. (author), Wauters, T. (author), Vanden Berghe, G. (author), De Wispelaere, A. (author)DV & O is responsible for prisoner transportation in The Netherlands. The organization needs to solve a vehicle routing problem with time windows [2], where prisoners have to be picked up and delivered while respecting capacity and safety constraints. A daily demand of about 700 prisoner transportations yields a very complex combinatorial...conference paper 2013
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Efremova, J. (author), Ranjbar-Sahraei, B. (author), Oliehoek, F.A. (author), Calders, T. (author), Tuyls, K. (author)We demonstrate an interactive, web-based tool which helps historians to do Genealogical Entity Resolution. This work has two main goals: First, it uses Machine Learning (ML) algorithms to assist humanities researchers to perform Genealogical Entity Resolution. Second, it facilitates the generation of benchmark data for computer scientists to...conference paper 2013
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- Lanctot, M. (author), Saffidine, A. (author), Veness, J. (author), Archibald, C. (author), Winands, M.H.M. (author) conference paper 2013
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- Bou Ammar, H. (author), Mocanu, D.C. (author), Taylor, M.E. (author), Driessens, K. (author), Weiss, G. (author), Tuyls, K. (author) conference paper 2013
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Tekofsky, S. (author), Spronck, P. (author), Plaat, A. (author), Van den Herik, J. (author), Broersen, J. (author)Traditional personality assessment methods fall into the categories of behavioral, observational, and self-report measures. In our research we explore the potential of adding another approach to this arsenal: personality assessment through video games. Video games combine the strengths of behavioral and observational measures, while side...conference paper 2013
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Caminada, M (author), Sa, S. (author), Alcantara, J. (author), Dvorak, W. (author)In the current paper, we re-examine the connection between abstract argumentation and assumption-based argumentation. Although these are often claimed to be equivalent, we observe that there exist well-studied admissibility-based semantics (semi-stable and eager) under which equivalence does not hold.conference paper 2013
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Sileno, G. (author), Boer, A. (author), Van Engers, T. (author)Focusing on descriptions of behaviours concerning the application of law, the paper presents elements of a methodology that supports story acquisition for a scenario-based modelling framework. It introduces practical reasoning patterns concerning action and power, which serve firstly as visual templates for the modeller, and secondly as building...conference paper 2013
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Booth, R. (author), Kaci, S. (author), Rienstra, T. (author), Van der Torre, L. (author)In Dung-style argumentation [3] an argumentation framework (AF for short) is usually assumed to be static. There are, however, many scenarios where argumentation is a dynamic process: Agents may learn that an AF must have a certain outcome and may learn about new arguments/attacks. We address these issues by answering the following research...conference paper 2013
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Kwisthout, J. (author)What constitutes Best in Inference to the Best Explanation has been hotly debated. In Bayesian models the traditional interpretation is Best = Most Probable. We propose an alternative notion, denoted as Most Frugal Explanation (MFE), that utilizes the fact that only few variables actually are relevant for deciding upon the best explanation...conference paper 2013
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Van der Zwaan, J.M. (author), Dignum, M.V. (author), Jonker, C.M. (author)This paper presents a qualitative study of the supportive behavior of an Embodied Conversational Agent (ECA) that provides social support to cyberbullying victims. The results indicate that social support is conveyed. In addition, we demonstrate a method that can be utilized to evaluate embodied agents for vulnerable target audiences (e.g.,...conference paper 2013
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Ramezani, S. (author), Höning, N. (author), La Poutré, H. (author)Increasing demand and generation in the low-voltage part of our electricity grids challenge existing infrastructure. A battery installed at the end of often-overheated cables can protect them from overheating, if it is operated intelligently. In addition, it can be crucial to also optimize the batterys revenue. We propose two robust heuristic...conference paper 2013
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Bouman, P. (author), Van der Hurk, E. (author), Kroon, L. (author), Li, T. (author), Vervest, P. (author)During the past decades, the modelling of transport demand by activity based methods has gained considerable attention from the scientific community. Such demand models offer a greater modelling flexibility than traditional models, by modelling transport demand as a phenomenon which emerges from the desire to perform activities at different...conference paper 2013
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Caire, P. (author), Van der Torre, L. (author), Villata, S. (author)A major challenge for Agreement Technologies is the combination of existing technologies and reasoning methods. In this paper we focus on the three core layers of the Agreement Technologies tower, called Norms, Organization and Argumentation. We present a framework for arguing about agreements based on norms, roles and dependence, together with...conference paper 2013