Bibliografía: al final de cada artículo Notas: al pie d etexto DEPARTAMENTS Policy mapper: Administering Location - Based Access - Control Polices / Rafae Bhatti; María Luisa Damiani; David W. Bettis and Elisa Bertino. p.38 Redelfining the server as home networks emerge / Greg Goth. p.7 Incorporating events into organizational business processes / Payal Chakravarty and Munindar P Singh. p.46 Privacy ontolog support for E - Commerce / Michael Hecker; Tharam S. Dillon and Elizabeth Chang. p.54 The aAQUA Approach: Innovative Web Tools for Developming Contries / Kritich Ramamritham; Anil Bahuman; Saurabh Sahni; Malathy Baru; Chauitra Bahuman; Arun Chandran and Manjiri Joshi. p.62 Broadscast to Broadband: Unlicensed Acces to Unused TV Channels / Michael Calabrese. p.71 Is HTML in a raceto Bottom? A large scale survey and analysis of conformance to W3C standars / Patricia Beatty Scott Dick and James Millar. p.76 COLUMNS Not - so - secrets indentities / Fred Douglis. p.4 Traveling the semantic web through space, time and theme / Amit Sheth and Mathew Perry. p.81 Demystifying RESTful Data coupling / Steve Vinoski. p.87 Is anybody home? / Jim Miller. p.91 Collective Work / Charles Petrie. p.96 Guest Editor's introduction / Matei Ripeanu; Munindar P. Singh and Sudharshan. p.10 Briding the gao and between legal and technical contracts / Alvaro Arenas; Michael Wilson; Shirley Crompton; Dana Cojocarau; Tobias Mahler and; Lutz Schubert. p.13 Virtual organization support withhing a grid - wide operating system / Massimo Cappola; Yvon Jégou; Brian Matthews; Christine Morin; Luis Pablo Priero; Oscar David Sanchez; Erica Y. Yang and Haiyan Yu. p.20 Provisioning for dynamic instalation of community services / Li Qi; Hai Jin; Ian Foster and Jarek gAWOE. P.29