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Programmable Presence Virtualization

  • US 20110196913A1
  • Filed: 02/08/2010
  • Published: 08/11/2011
  • Est. Priority Date: 02/08/2010
  • Status: Active Grant
First Claim
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1. A method for supporting a presence virtualization query, wherein the method comprises:

  • receiving a virtual query from a client, wherein the virtual query is specified in terms of a membership set of one or more members, wherein the membership set comprises a list of presentity uniform resource identifiers (URIs) and a separate transformation function, defined over a set of one or more presence documents of the one or more members in the membership set;

    redirecting, via a virtual presence server, the query to a destination virtual presentity URI whose presence state comprises an aggregation of the one or more presence documents of the list of URIs in the membership set and a corresponding query element (QE) object that manages subscriptions for the URI;

    adding, via the QE for the destination virtual presentity URI, the client as a watcher for the destination virtual presentity URI; and

    applying, via the virtual presence server, transformation logic specified by the watcher client and notifying a corresponding client of a resulting output.

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