]> <p> Billions of pieces of metadata are on the Web today, with increasing uptake across the Internet from <a href="http://www.google.com/support/webmasters/bin/topic.py?hl=en&topic=21997" >search engines</a> to <a href="http://developers.facebook.com/docs/opengraph" >social sites </a> to <a href="http://data.gov.uk/" >governments </a> alike. The key technologies are <a href="http://www.w3.org/RDF/">RDF</a>, <a href="http://www.w3.org/TR/xhtml-rdfa-primer/">RDFa</a> and <a href="http://microformats.org/">Microformats</a>. Examples of such information types are contacts, events, social networks, web polls, reviews, and hundreds of other domain specific entities. </p> <p> <strong>Sindice is a state of the art infrastructure to process, consolidate and query the Web of Data</strong>. Sindice collates these billions of pieces of metadata into an coherent umbrella of <a href="/developers/welcome">functionalities and services</a>. For more information, visit our <a href="http://blog.sindice.com/">blog</a> or <a href="http://groups.google.com/group/sindice-dev">support group</a>. </p> Sindice is a state of the art infrastructure to process, consolidate and query the Web of Data. Sindice collates these billions of pieces of metadata into an coherent umbrella of functionalities and services.