author = { van Harmelen, F. },

title = { The semantic web: what, why, how, and when },

publisher = {Institute of Electrical and Electronics Engineers (IEEE)},

isbn = {1541-4922},

keywords = { Computer Networks and Communications , Hardware and Architecture , General Engineering , Software },

year = {2004},

url = { http://slubdd.de/katalog?TN_libero_mab2 }