International Business Machines Corporation

Samuel Müller

Dieter M Sommer

A method for implementing an electronically-based negotiation session between users within an ESN. The method includes sending a message including a request portion and a response portion from a first user to a second user in a round of successive rounds, and in response to receiving the message from the first user, sending a message from the second user to the first user in a subsequent round, the message from the second user including a response portion responsive to the request portion of the message from the first user and a request portion. When a new round is performed, evaluating whether an agreement exists by checking messages previously exchanged, and exchanging subsequent messages, when any rounds remain and the session has not been terminated, and granting access and exchanging data between the users, executing actions, and setting policies as negotiated, when the session has been terminated and an agreement exists.

Negotiable information access in electronic social networks

A method comprising, defining a social network U={u, u', . . . }, defining a set of relationships between users OU&#xd7;U, defining a set of attributes of the social network A={a, a, . . . }, defining a set of contacts of the user u, defining a user profile of the user u I=A&#x222a;U, defining a metric M={m, m, . . . }, receiving a rating of a metric of user u&#x2032; from the user u, defining a condition c&#x3b5;C, defining a set of elements Z={z, z, . . . }, receiving a request for access to Ifrom user u&#x2032;, determining authorization for user u&#x2032; to access a subset of Iby an access control function U&#xd7;U&#xd7;Pow(R)&#xd7;C&#x2192;Pow(I&#xd7;Z), and outputting a subset of Ito user u&#x2032; as determined by the access control function.

Access to electronic social networks

A method of assessing operational risk includes defining a participant set. The participant set includes a plurality of members. The method also includes identifying a set of initial risk sources, assigning risk certificates for each of the initial risk sources to each of the plurality of members of the set of participants, and trading the risk certificates among the plurality of members of the set of participants to establish market prices that correspond to a level of risk associated with each of the initial risk sources.

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Zurich, Switzerland

Samuel Müller