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Using social networks while respecting access control lists

  • US 20090106822A1
  • Filed: 10/22/2007
  • Published: 04/23/2009
  • Est. Priority Date: 10/22/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method for determining whether a first user and a second user of a social networking website are connected comprising:

  • receiving a graph representing social networks and access information indicating which one or more of a plurality of users are allowed access to said social networks that define relationships between users, said graph including a node for each of said plurality of users, an edge between two nodes of said graph indicating a relationship between the two nodes as included in one of said social networks, said first user and said second user being represented, respectively, by a first node and a second node in said graph; and

    traversing said graph to determine if there exists a path from said first node to said second node in which said first user has access to view each node in the path in accordance with said access information, said path including two or more edges.

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