Electrical computers and digital processing systems: multicomput – Distributed data processing – Processing agent
Reexamination Certificate
1999-04-01
2002-09-10
Najjar, Saleh (Department: 2154)
Electrical computers and digital processing systems: multicomput
Distributed data processing
Processing agent
C709S226000, C709S229000, C709S241000, C705S014270
Reexamination Certificate
active
06449632
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to broadcast systems in general, and in particular to systems for collecting user feedback in a broadcast system, especially in a data broadcast system where feedback may be used for determining the content of future broadcasts.
BACKGROUND OF THE INVENTION
Data broadcasting systems have been proposed as a good solution for delivering data to customers while avoiding known problems associated with the Internet. In a typical data broadcasting system a single broadcast entity broadcasts information to a multiplicity of users, each user typically associated with a personal computer, a mobile computer, an interactive television, a hand-held communication device such as a beeper or a cellular or mobile telephone, or a similar device. Each user may receive those broadcast items which the user wishes to receive. Typically but not always, each broadcast item comprises a multimedia item.
It is generally recognized that it would be desirable to obtain user feedback at the broadcast entity, the user feedback typically comprising information about types of information which each user would like to receive. However, because of the multiplicity of users it would apparently be inefficient and awkward to receive individual feedback from each user.
One system for scheduling broadcasts using customer profiles is described in U.S. Pat. No. 5,758,257 to Herz et al. The Herz et al patent describes scheduling the receipt of desired movies or other forms of data by means of individual customer profiles describing each individual customer. A so-called “agreement matrix” is calculated by comparing the recipient's profiles to the actual profiles of the available programs or other data. A virtual channel for each individual is generated from the “agreement matrix”, in an attempt to satisfy the desires of each individual via their own virtual channel.
PCT patent application PCT/IL98/00307 describes an electronic program guide system using an intelligent agent in which the electronic program guide may be customized based on user behavior.
The following references provide a sample of the state of the art, and are useful in understanding the present invention:
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David Esther
Kipnis Shlomo
Kraus Sarit
Richardson David
Bar Ilan University NDS Limited
Ladas & Parry
Najjar Saleh
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