hListing
From Just Solve the File Format Problem
hListing is a draft standard intended to be one of several "microformats" released via the microformats.org site and community, intended for the representation of information in a manner that is human-readable but can still be processed by machines.
The format encodes various elements of use for encoding listings of products or services offered or wanted, in the form of standard HTML or XML elements, attributes, and classes which can be inserted into Web pages or other documents. Where possible, it is designed to be consistent with the elements used in other microformats, such as h-review, h-card, and h-event.
