City, University of London Institutional Repository Citation: Pawar, P. S., Rajarajan, M., Nair, S. K. and Zisman, A. (2012). Trust Model for Optimized Cloud Services. IFIP Advances in Information and Communication Technology, 374, pp. 97-112. doi: 10.1007/978-3-642-29852-3_7 This is the unspecified version of the paper. This version of the publication may differ from the final published version. Permanent repository link: http://openaccess.city.ac.uk/1606/ Link to published version: http://dx.doi.org/10.1007/978-3-642-29852-3_7 Copyright and reuse: City Research Online aims to make research outputs of City, University of London available to a wider audience. Copyright and Moral Rights remain with the author(s) and/or copyright holders. URLs from City Research Online may be freely distributed and linked to. City Research Online: http://openaccess.city.ac.uk/ publications@city.ac.uk City Research Online