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This paper examines 10 challenges for making automation a team player (Klein et al., 2004) in the context of Evolvable Assembly Systems (EAS) with the aim of delivering requirements for effective hybrid human-automation decision making. Specific decision making use cases for a demonstrator system were analysed to capture opportunities and requirements for effective human-agent cooperative decision making. These requirements covered agent design, human-machine interface design, context aware computing requirements and human competency. As such, the paper provides concrete examples of how general principles for hybrid decision making can be applied to EAS, and presents a pilot of a method for future requirements elicitation. Author KeywordsHuman-machine interface requirements; human-agent collaboration; human factors for manufacturing.

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Although leadership in many types of online community has been recognised as important, relatively little has been written about its nature in informal communities, particularly in the context of web2.0. This study explores the role played by Admins on the photo sharing site Flickr. Semistructured interviews with six Admins investigated roles and motivation in some depth. A content analysis was conducted to explore the character of Admins' activities on discussion boards in four types of group. The interviews revealed the dedication that Admins gave to the role. They saw their activities as one of the main critical success factors for any group. Groups were heavily shaped byAdmins. The content analysis revealed that Admins play a wide range of roles in groups, with markedly varying emphasis between different group types. Keywords: Flickr, web2.0, online community, moderation, leadershipAlthough the complex system of moderation that has evolved on Wikipedia is well known and acknowledged as a critical success factor (e.g. Bruckman & Forte, 2008) discussion of web2.0 often glosses over the extent to which systems based on user created content require active human coordination. Because companies running web2.0 sites do not themselves directly undertake moderaton does not mean that such roles do not continue to be performed, but on a voluntary basis. In fact, some web2.0 sites, like Flickr, may be highly dependent on informal leadership roles undertaken by moderators and other activists. This paper sets out to explore the role of Flickr "Admins" by e-interviews and through content analysis of a sample of Admin activities in different group types.

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