Abstract
Using a case-study of a fraud investigation we show that a
major challenge in large-scale, collaborative sensemaking
arises from the simultaneous decomposition and integration
of elements of the task. Given the potential for sensemaking
systems to support users in addressing this challenge, we
analyse decomposition and integration within the casestudy and provide a recursive framework of entities
associated with a line of enquiry at any level of description.
The framework includes: theories, questions, information
seeking strategies, evidence and evidence collections,
knowledge, assigned investigators and lower-level lines of
enquiry. We develop the case for how systems built around
such a framework can help address the
decomposition/integration challenge.
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