SQL and XPath

V.S. Babu wrote to ask what product was executing the XPath-enabled SQL query I showed yesterday. It's a beta of the new version 3.0 of OpenLink's Virtuoso. I've refined the query a bit, so that it also picks up RSS 1.0 feeds:

And here are the results, from a query against that view whose results are fed into an Excel 11 XML data range and charted:

Former URL: http://weblog.infoworld.com/udell/2003/03/12.html#a636