@TECHREPORT{seminar05virtual_organizations,
  AUTHOR = {Mikko Hämäläinen and Sampo Karjalainen (ed.) and Lea
                 Kutvonen (ed.) and Tuomas Nurmela and Anna-Kristiina
                 Ritola (ed.) and Sini Ruohomaa (ed.) and Toni
                 Ruokolainen and Teemu Virtanen},
  EDITOR = {Sampo Karjalainen and Lea Kutvonen and Anna-Kristiina
                 Ritola and Sini Ruohomaa},
  TITLE = {Virtual organizations},
  INSTITUTION = {University of Helsinki, Department of Computer
                 Science},
  NUMBER = {{C}-2005-16},
  YEAR = {2005},
}

@TECHREPORT{viljanen05appidssurvey,
  AUTHOR = {Lea Viljanen},
  TITLE = {A Survey of Application Level Intrusion Detection},
  NUMBER = {{C}-2004-61},
  INSTITUTION = {University of Helsinki, Department of Computer
                 Science},
  YEAR = {2005}
}

@TECHREPORT{ruohomaa04longtmsurvey,
  AUTHOR = {Sini Ruohomaa},
  TITLE = {Trust management survey},
  NUMBER = {{C}-2004-60},
  INSTITUTION = {University of Helsinki, Department of Computer
                 Science},
  YEAR = {2004}
}