A reflection paper argues that POI recommendation research is held back by 20 systemic pitfalls in datasets, algorithms, and evaluation, and outlines six solutions.
Widening the Role of Group Recommender Systems with CAJO
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abstract
Group Recommender Systems (GRSs) have been studied and developed for more than twenty years. However, their application and usage has not grown. They can even be labeled as failures, if compared to the very successful and common recommender systems (RSs) used on all the major ecommerce and social platforms. As a result, the RSs that we all use now, are only targeted for individual users, aiming at choosing an item exclusively for themselves; no choice support is provided to groups trying to select a service, a product, an experience, a person, serving equally well all the group members. In this opinion article we discuss why the success of group recommender systems is lagging and we propose a research program unfolding on the analysis and development of new forms of collaboration between humans and intelligent systems. We define a set of roles, named CAJO, that GRSs should play in order to become more useful tools for group decision making.
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Point of Interest Recommendation: Pitfalls and Viable Solutions
A reflection paper argues that POI recommendation research is held back by 20 systemic pitfalls in datasets, algorithms, and evaluation, and outlines six solutions.