ow possible to develop web applications and mash-ups that understand, and can reason about, web content as well as enterprise and personal data and meta-data.</span><br /><br /><span style="font-style: italic;font-family:times new roman;" >&#8220;You just can't put forward concepts and knowledge relationships like flinging hash,&#8221;</span><span style="font-family:times new roman;"> said Michael Bergman of Zitgist LLC, which creates semantically enabled software for data integration. </span><span style="f