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Group Decision Making and Group Recommendations
2018 IEEE 20th Conference on Business Informatics (CBI), 2018In this paper we analyze descriptions of group decision-making processes provided by 200 individuals organized in 55 groups. The goal of the paper is to show how such an analysis can be used when designing more efficient group recommender systems.
Amra Delic +2 more
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Group decision program A videodisc-based group decision support system
Decision Support Systems, 1992Abstract In recent years group decision support systems have been developed to improve the process of group decision-making and improve its outcomes. This paper describes Group Decision Program (GDP), an interactive videodisc-based GDSS. GDP is a topic-independent system designed to provide a computer-based, structured process to direct the pattern ...
Sorel Reisman +2 more
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Social processes and group decision making: anonymity in group decision support systems
Ergonomics, 2000Various social processes in decision-making groups are considered detrimental to the quality of decisions. It is often assumed that removing the ability for groups to exert strong social influence on its members improves group decisions. Group Decision Support Systems (GDSSs) are increasingly used to remedy the social faults of the decision-making ...
Postmes, T.T., Lea, M.
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Foundations for Group Decision Analysis
Decision Analysis, 2013This paper derives a general prescriptive model for group decision analysis based on a set of logical and operational assumptions analogous to those for individual decision analysis. The approach accounts for each group member's potentially different frames of their common decision, including different events and different consequences of concern ...
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A group decision support system for multilingual groups
Information & Management, 1994Abstract Communication in multilingual groups is very difficult. Even if all participants in the group know a common language, it may be a first language for some of the group and a second language for others. Communication in such situations is not equal for all group members. A multilingual Group Decision Support System (GDSS) allows all members to
Milam W. Aiken +3 more
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The Importance of Expertise in Group Decisions
SSRN Electronic Journal, 2017zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Polarization Effects in Group Decisions
Adjunct Publication of the 26th Conference on User Modeling, Adaptation and Personalization, 2018Group Recommender Systems aim to support the identification of items that best fit individual preferences of group members. However, decision making behavior of group members can be affected by decision biases which can deteriorate group decision quality. In this paper, we analyze the existence of Group Polarization Effects in two different domains and
Muesluem Atas +4 more
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A note on synthesizing group decisions
Decision Support Systems, 1998Abstract An approach is discussed to expert group aggregation based on the Singular Value Decomposition (SVD) of Analytic Hierarchy Process (AHP) pairwise comparison matrices. The group decision phase should consist of the aggregation of the individual expert weight vectors determined by SVD, taking the voting powers of the experts and sensitivity ...
Saul I. Gass, Tamás Rapcsák
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Group Decisions and Decisions for a Group
1991I define group utility for cases in which a professional decides for a group using his probability assignment for states and the group’s utility assignment for consequences. I take the group utility of an outcome o as the sum of power weighted individual utilities of o, i.e., SUM i p i U i(o) .
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Group decision with inconsistent knowledge
IEEE Transactions on Systems, Man, and Cybernetics - Part A: Systems and Humans, 2002In this paper, dual exponential possibility distributions, namely, upper and lower exponential possibility distributions, are identified from the given data to characterize a decision-maker's knowledge. A decision group's knowledge can be represented by a set of such dual possibility distributions.
Peijun Guo +2 more
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