Abstract
The notions of collaborative information seeking (CIS) and social search have extended the classical model of information seeking and retrieval. In its core, CIS and social search acknowledge the existence of multiple users and study their implicit and explicit interactions across various dimensions. In this paper, we argue to further extend the scope by introducing information providers as a separate role to complement the process of information seeking with information provision. We briefly describe prototype implementations and identify a number of future research challenges.
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