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Programming model for subscription services

  • US 7,177,859 B2
  • Filed: 06/26/2002
  • Issued: 02/13/2007
  • Est. Priority Date: 06/26/2002
  • Status: Active Grant
First Claim
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1. A subscription modeling system, comprising:

  • a query processor that receives subscription query and subscriber information and transforms the query and subscriber information into data, the query processor employs subscription templates based at least in part upon common structures associated with subsets of queries, and subscribers propagate parameters to customize a respective template;

    an index component that propagates at least one database with the transformed data;

    a matching component that associates the transformed data with event data to generate a database of notification data, wherein the notification data is delivered to subscribers; and

    a programming model that builds subscription applications, the subscription applications utilize an SQL server to do subscription and event matching, the SQL server performs a data join operation in connection with generation of the notification data.

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