<http://schema.org/mainEntityOfPage>
<http://archives.sfexaminer.com/sanfrancisco/may-31-june-2-see-sf-by-bike-and-other-weekend-events/Content?oid=2350060>
<http://archives.sfexaminer.com/sanfrancisco/may-31-june-2-see-sf-by-bike-and-other-weekend-events/Content?oid=2350060>