About: http://webisa.webdatacommons.org/442259873

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	He is a frequent speaker at User Groups and Conferences and is a contributing author to a number of books.
http://www.w3.org/ns/prov#wasQuotedFrom	web-connections.eu