A method and system for allocating display space on web page. In one embodiment, the display space system receives multiple bids each indicating a bid amount and an advertisement. When a request is received to provide a web page that includes the display space, the display space system selects a bid...http://www.google.fr/patents/US20030055729?utm_source=gb-gplus-shareBrevet US20030055729 - Method and system for allocating display space