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Identifying informal knowledge networks through SNA, revealing the stickiness of communities.

The main purpose of the paper is to present a methodology that can be helpful to identify knowledge networks or knowledge communities and its relation to the formal organization. The methodology is used in a case study that is based on a multi-method approach applying both qualitative techniques, such as interviews observations and document analysis as well as quantitative techniques, namely statistical analysis of survey responses as well as social network analysis. The research was conducted at a Dutch research institute specialized in documentation of historic documents. All employees have their offices in the same building and at the same floor. Work is divided formally over seven research programmes related to a certain time period in the Dutch History (e.g. Middle Ages, 17 th century, WO II) each consisting of yet smaller research projects. We found that the informal knowledge networks only to a small extent differ from the formal work units. In the discussion of this paper, we will elaborate on the method and its implications.