Algorithmic Mediation for Collaborative Exploratory Search.

Jeremy Pickens, Gene Golovchinsky, Chirag Shah, Pernilla Qvarfordt, and Maribeth Back
SIGIR 2008. (Singapore, Singapore, July 20 - 24, 2008). ACM, New York, NY, 315-322., July 22, 2008

We describe a new approach to information retrieval: algorithmic mediation for intentional, synchronous collabo- rative exploratory search. Using our system, two or more users with a common information need search together, simultaneously. The collaborative system provides tools, user interfaces and, most importantly, algorithmically-mediated retrieval to focus, enhance and augment the team's search and communication activities. Collaborative search outperformed post hoc merging of similarly instrumented single user runs. Algorithmic mediation improved both collaborative search (allowing a team of searchers to nd relevant in- formation more efficiently and effectively), and exploratory search (allowing the searchers to find relevant information that cannot be found while working individually).


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