To whom and why should I connect? Co-author recommendation based on powerful and similar peers Online publication date: Wed, 31-Dec-2014
by Rory L.L. Sie; Hendrik Drachsler; Marlies Bitter-Rijpkema; Peter Sloep
International Journal of Technology Enhanced Learning (IJTEL), Vol. 4, No. 1/2, 2012
Abstract: The present paper offers preliminary outcomes of a user study that investigated the acceptance of a recommender system that suggests future co-authors for scientific article writing. The recommendation approach is twofold: network information (betweenness centrality) and author (keyword) similarity are used to compute the utility of peers in a network of co-authors. Two sets of recommendations were provided to the participants: Set one focused on all candidate authors, including co-authors of a target user to strengthen current bonds and strive for acceptance of a certain research topic. Set two focused on solely new co-authors of a target user to foster creativity, excluding current co-authors. A small-scale evaluation suggests that the utility-based recommendation approach is promising, but to maximise outcome, we need to (a) compensate for researchers' interests that change over time and (b) account for multi-person co-authored papers.
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