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Grefte, A. (author), Dignum, M. (author), Cornelissen, E.R. (author), Rietveld, L.C. (author)To guarantee a good water quality at the customers tap, natural organic matter (NOM) should be (partly) removed during drinking water treatment. The objective of this research was to improve the biological stability of the produced water by incorporating anion exchange (IEX) for NOM removal. Different placement positions of IEX in the treatment...journal article 2013
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Van der Zwaan, J.M. (author), Geraerts, E. (author), Dignum, V. (author), Jonker, C.M. (author)People are able to comfort others by talking about their problems. In our research, we are exploring whether computers can provide social support in a similar manner. Recently, we proposed a design for an empathic virtual buddy that supports victims of cyberbullying. To validate our approach in providing social support and to gather feedback...book chapter 2012
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Van der Zwaan, J.M. (author), Dignum, V. (author), Jonker, C.M. (author)In everyday life, people frequently talk to others to help them deal with negative emotions. To some extent, everybody is capable of comforting other people, but so far conversational agents are unable to deal with this type of situation. To provide intelligent agents with the capability to give emotional support, we propose a domain-independent...conference paper 2012
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Jiang, J. (author), Huisman, B. (author), Dignum, V. (author)In multi-organizational alliances, inter- and intraorganizational interactions are performed in dynamic environments towards the cooperative goals. To adapt to such dynamics, not only should organizational design provide sufficient representation of organizational requirements, but also provide control mechanisms to switch between different...conference paper 2012
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- Havenga, M. (author), Mentz, E. (author), Breed, B. (author), Govender, D. (author), Govender, I. (author), Dignum, F. (author), Dignum, V. (author) conference paper 2012
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Van der Zwaan, J.M. (author), Dignum, V. (author), Jonker, C.M. (author)Recently, we proposed a dialogue model for social support. To validate this model, we analyzed 23 real world chat conversations. After some adjustments, the dialogue sequence patterns specified in the model cover 87.4% of the data. Based on this result, we conclude that the dialogue model accurately describes comforting conversations. Next, the...conference paper 2012
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- Dignum, M. (author), Dignum, V. (author) book chapter 2012
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Van der Zwaan, J.M. (author), Dignum, V. (author), Jonker, C.M. (author)Recent developments in affective computing show that Embodied Conversational Agents (ECAs) are increasingly capable of complex social and emotional dialogues. Our research concerns the design and evaluation of an ECA that provides social support to children that are being bullied though the Internet. Recently, we proposed a domain-independent...conference paper 2012
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Van der Zwaan, J.M. (author), Dignum, V. (author), Jonker, C.M. (author)An important task for empathic agents is to provide social support, that is, to help alleviate emotional distress. In this paper we specify verbal support types for a dialogue agent that provides social support, and propose an evaluation method for such an agent in a sensitive domain (cyberbullying) with a vulnerable target audience (children).conference paper 2012
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- Jiang, J. (author), Aldewereld, H.M. (author), Dignum, V. (author), Tan, Y.H. (author) conference paper 2012
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- Jiang, J. (author), Aldewereld, H. (author), Dignum, V. (author), Tan, Y.H. (author) conference paper 2012
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- Ghorbani, A. (author), Dignum, V. (author) conference paper 2012
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Jiang, J. (author), Aldewereld, H.M. (author), Dignum, V. (author), Tan, Y. (author)Agents interact with each other within a set of norms, which is expressed at different levels of abstraction that capture different con- texts and operationalizations. Current normative frameworks deal with norm operationalization, yet few consider the contextual aspects of norms. Moreover, most frameworks are based on the independent...conference paper 2012
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Van der Zwaan, J.M. (author), Dignum, V. (author), Jonker, C.M. (author)An important task for empathic agents is to provide social support, that is, to help people increase their well-being and decrease the perceived burden of their problems. The contributions of this paper are 1) the specifcation of speech acts for a social support dialogue agent, and 2) an evaluation method for this agent. The dialogue agent...conference paper 2012
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- Jiang, J. (author), Aldewereld, H.M. (author), Dignum, V. (author), Tan, Y. (author) conference paper 2012
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Bregt, A.K. (author), Castelein, W. (author), Dignum, V. (author)In dit rapport wordt ingegaan op de organisatorische aspecten van open data. De keus voor een bepaalde organisatorische invulling is uiteraard sterk afhankelijk van de interne besluitvorming, mogelijkheden en ambities van Alliander zelf. Dit rapport moet dan ook gezien worden als een schets van aspecten die een rol spelen bij de organisatorische...report 2012
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Aldewereld, H. (author), Dignum, V. (author), Jonker, C.M. (author), Van Riemsdijk, M.B. (author)The organisational specification of a multi-agent system supports agents’ effectiveness in attaining their purpose, or prevent certain undesired behaviour from occurring. This requires that agents are able to find out about the organisational purpose and description and decide on its appropriateness for their own objectives. Organisational...journal article 2012
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- Li, T. (author), Jiang, J. (author), Aldewereld, H.M. (author), De Vos, M. (author), Dignum, M.V. (author), Padget, J. (author) conference paper 2011
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- Jiang, J. (author), Dignum, M.V. (author), Tan, Y. (author) conference paper 2011
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Hammes, F. (author), Boon, N. (author), Vital, M. (author), Ross, P. (author), Magic-Knezev, A. (author), Dignum, M. (author)Pellet softening reactors are used in centralized and decentralized drinking water treatment plants for the removal of calcium (hardness) through chemically induced precipitation of calcite. This is accomplished in fluidized pellet reactors, where a strong base is added to the influent to increase the pH and facilitate the process of...journal article 2010