Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Electronic shopping
Reexamination Certificate
2006-05-16
2006-05-16
Coggins, Wynn (Department: 3625)
Data processing: financial, business practice, management, or co
Automated electrical financial or business practice or...
Electronic shopping
C718S104000, C717S104000, C717S108000, C717S116000, C709S228000, C707S793000
Reexamination Certificate
active
07047213
ABSTRACT:
An improved method for purging abandoned shopping carts from an electronic commerce web server. Periodically, the number of shopping carts that belong to guest shoppers is determined and compared with a threshold. When the number shopping carts that belong to guest shoppers exceeds the threshold, a guest shopper garbage collection routine applies to the shopping carts that belong to guest shoppers, and an established shopper garbage collection routine applies to carts that belong to established shoppers. In one embodiment of the invention, the guest shopper garbage collection routine purges shopping carts that have been inactive for a first period of time, whereas the established shopper garbage collection routine purges shopping carts that have been inactive for a second period of time that is longer than the first.
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Haynes Dennis Frank
Lala Ravesh
Trevathan Matthew Bunkley
Coggins Wynn
International Business Machines - Corporation
Irvin David R.
Schmeiser Olsen & Watts
Zurita Jaime E.
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