DOMINANCE WEIGHTED SOCIAL CHOICE FUNCTIONS FOR GROUP RECOMMENDATIONS

General information

Authors:
Silvia ROSSI, Antonio CASO

DOI:
10.14201/ADCAIJ2015416579

Volume:
Regular Issue 4 (1), 2015

Keywords:

Group Decision Making; Social Choice; Group Recommendation; Small Groups; Social Networks

In travel domains, decision support systems provide support to tourists in the planning of their vacation. In particular, when the number of possible Points of Interest (POI) to visit is large, the system should help tourists providing recommendations on the POI that could be more interesting for them. Since traveling is, usually, an activity that involves small groups of people, the system should take simultaneously into account the preferences of each group's member. At the same time, it also should model possible intra-group relationships, which can have an impact in the group decision-making process. In this paper, we model this problem as a multi-agent aggregation of preferences by using weighted social choice functions, whereas such weights are automatically evaluated by analyzing the interactions of the group's members on Online Social Networks.

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