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Method and apparatus for notifying a user of a predefined changes to dynamic attributes

  • US 8,566,311 B2
  • Filed: 03/17/2005
  • Issued: 10/22/2013
  • Est. Priority Date: 03/18/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving from a first user at a subscription-server that is connected to a notification-and-response system a subscription request that is specific to an application, wherein a notification request is to be received from the application in response to;

    (i) a change in a value of a dynamic attribute in the application satisfies a first condition, wherein the dynamic attribute is associated with a value of a static attribute, and wherein whether the dynamic attribute is applicable to the static attribute depends at least in part on the value of the static attribute; and

    (ii) the static attribute in the application satisfies a second condition, and wherein the value of the static attribute to which the dynamic attribute is applicable is unchangeable during a life span of the subscription request,wherein the subscription request comprises a temporal condition that evaluates whether the dynamic attribute satisfied a value constraint during a given time interval; and

    pre-processing, by the subscription-server, the received subscription request before the first condition and the second condition are satisfied in the application, to generate a communication flow expression;

    in response to receiving the notification request from the application, executing the generated communication flow expression by the subscription-server, wherein the notification request indicates that the first condition and the second condition are satisfied; and

    transmitting the executed generated communication flow expression and the notification request to the notification-and-response system.

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