| http://www.w3.org/ns/prov#value | - Google Notebook - allows you to note documents Slashdot - tech news site where stories are approved by central editors Digg - decentralized news site Netscape - Digg clone Google Video - Google's video hosting, tagging, and search site YouTube - popular decentralized video site Boolean SearchMany search engines allow you to perform searches that contain mathematical formulas such as AND, OR, or NO
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