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Title: Towards Evolutionary Named Group Recommendations
Authors: Bartel, Jacob W.
Dewan, Prasun
Keywords: Named groups;Evolution;Social graphs;Collaborative systems
Issue Date: 2018
Publisher: Springer, London
metadata.dc.relation.ispartof: Computer Supported Cooperative Work 27(3-4)- ECSCW 2018: Proceedings of the 16th European Conference on Computer Supported Cooperative Work
Series/Report no.: ECSCW
Abstract: When sharing information, a common tactic for reducing the cost of choosing recipients is to form named groups of users. These groups are then selected as recipients in lieu of or in addition to users. However, keeping named groups up to date is a difficult and error-prone task when conducted manually. Past schemes automating this task make different tradeoffs and can be distinguished based on several factors including the types of named groups they consider, whether they evolve a specific group or a set of multiple groups, and how integrated they are with techniques for predicting initial groups. We analyze these approaches and identify a design space of potential evolutionary approaches. Using this analysis, we introduce a novel approach for automatically suggesting a sub-type of evolution, evolutionary growth. This approach (a) requires no prior knowledge of which groups change, (b) composes, and therefore interoperates, with an existing engine for recommending named groups, and (c) extracts groups from the social graph of multiple types of applications regardless of whether the graph are explicit or derived implicitly from message communication. Our evaluation considers social graphs created using explicit and implicit connections, and identifies the conditions under which the approach outperforms baseline techniques.
metadata.dc.identifier.doi: 10.1007/s10606-018-9321-5
ISSN: ISSN 0925-9724
metadata.mci.conference.sessiontitle: Long Papers
metadata.mci.conference.location: Nancy, France 4-8 June 2018
Appears in Collections:ECSCW 2018 Long Papers

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