|Stefania Castellani, Antonietta Grasso, Vitorio Benedetti, Nikolaos Lagos, Nicolas Hairon|
|Accepted and presented at the SEMAPRO (The Fourth International Conference on Advances in Semantic Processing),October 25 - 30, 2010 - Florence , Italy . Copies of the paper can be sent on request.|
We are developing tools to support documentary reconstruction activities of groups of analysis searching large document collections. In particular, we are building a system to support legal case building and reasoning activities of lawyers in corporate litigation. A fundamental element of their activities in the search of information elements that constitute evidence for facts. In this paper, we introduce a new interaction mechanism to navigate information extracted form the document collections which guides users in formulating investigative questions.