| http://www.w3.org/ns/prov#value | - NetLibrary, which is available only through subscription and focuses on copyrighted content, prohibits the use of automated methods for collecting or analyzing its data such as robots or data mining tools without ???express written permission.??? It puts forward what seems to me to be a fairly expansive policy limiting use of copyrighted materials: ???You may not modify, alter, publish, transmit,
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