IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0809328
(2007-05-31)
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등록번호 |
US-8713143
(2014-04-29)
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발명자
/ 주소 |
- Centola, Damon M. T.
- Christakis, Nicholas A.
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출원인 / 주소 |
- President and Fellows of Harvard College
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대리인 / 주소 |
Wolf, Greefield & Sacks, P.C.
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인용정보 |
피인용 횟수 :
18 인용 특허 :
0 |
초록
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A method of creating social networks designed to facilitate diffusion of desired behavior among groups of people. A social network may be created prior to assigning people to nodes in the network. Communications between people in the network may be controlled and modified to promote diffusion of the
A method of creating social networks designed to facilitate diffusion of desired behavior among groups of people. A social network may be created prior to assigning people to nodes in the network. Communications between people in the network may be controlled and modified to promote diffusion of the desired behavior.
대표청구항
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1. A method for use with an on-line computer service having a plurality of account holders that each has at least one account with the on-line computer service, the method comprising an act of: (A) creating a previously non-existent social network among at least a subset of the plurality of account
1. A method for use with an on-line computer service having a plurality of account holders that each has at least one account with the on-line computer service, the method comprising an act of: (A) creating a previously non-existent social network among at least a subset of the plurality of account holders for facilitating a spread of desired behavior among the subset of the plurality of account holders by: (A1) creating a network architecture comprising a set of nodes and a set of edges, wherein each one of the edges connects at least two of the set of nodes and specifies a path for a flow of information between the nodes connected by the one of the edges, wherein the network architecture is designed to facilitate and control interactions of the at least some of the subset of the plurality of account holders through the previously non-existent social network, wherein the created network architecture is pre-defined prior to any communication among account holders of the plurality of account holders via the previously non-existent social network so that each account holder is assigned neighbors and cannot, based on user action, create a new neighbor in the social network by communicating with another account holder; and(A2) populating the created network architecture by: selecting, for each of the account holders in the at least a subset of the plurality of account holders, at least one node of the set of nodes, the subset of the plurality of account holders comprising a first account holder and a second account holder, wherein the selecting comprises selecting a first node from the set of nodes for the first account holder and a second node from the set of nodes for the second account holder, the first node having a first identifier and the second node having a second identifier, the second node being directly connected to the first node via at least one of the set of edges, andassociating the first account holder with the first node and the second account holder with the second node so that when at least one desired behavior is taken by the first account holder assigned to the first node, information relating to the at least one desired behavior is communicated to at least the second account holder assigned to the second node that is directly connected via the at least one of the edges to the first node, wherein the first account holder is associated with the first node by associating the first identifier with the first account holder, and wherein the second account holder is associated with the second node by associating the second identifier with the second account holder. 2. The method of claim 1, wherein the act (A1) comprises establishing the network architecture without regard to which particular account holders will be assigned to which particular nodes. 3. The method of claim 1, wherein the act (A1) comprises creating the network architecture to encourage a desired behavior among the at least a subset of the plurality of account holders. 4. The method of claim 3, wherein the desired behavior is desired by a provider of the on-line computer service. 5. The method of claim 4, wherein the desired behavior is a purchase of one or more goods and/or services via the on-line computer service. 6. The method of claim 1, wherein the act (A1) comprises creating the network architecture to be a non-random architecture that propagates complex contagions more efficiently than a random architecture. 7. The method of claim 1, wherein account holders assigned to nodes connected via at least one edge are neighbors in the social network; wherein the act (A1) comprises creating the network architecture to constrain communication among account holders via the social network so that each account holder can communicate, via the social network, only with his or her neighbors. 8. The method of claim 1, wherein account holders assigned to nodes connected via at least one edge are neighbors in the social network; wherein the act (A1) comprises creating the network architecture so that an average number of neighbors per account holder is less than 50. 9. The method of claim 1, wherein account holders assigned to nodes connected via at least one edge are neighbors in the social network; wherein the act (A1) comprises creating the network architecture so that an average number of neighbors per account holder is less than 10. 10. The method of claim 1, wherein account holders assigned to nodes connected via at least one edge are neighbors in the social network; wherein the act (A1) comprises creating the network architecture to constrain communication among account holders via the social network so that each account holder can only communicate with pre-defined neighbors via the social network. 11. The method of claim 1, wherein account holders assigned to nodes connected via at least one edge are neighbors in the social network; wherein the act (A1) comprises creating the network architecture to encourage at least one behavior among the at least a subset of the plurality of account holders that is desired by a provider of the on-line computer service; andwherein the act (A2) comprises populating the network architecture by assigning each of the account holders in the at least a subset of the plurality of account holders to at least one of the plurality of nodes in a manner that promotes similarity between neighbors in at least one characteristic that is relevant to the desired at least one behavior. 12. The method of claim 11, wherein the at least one characteristic that is relevant to the desired at least one behavior comprises age, gender, educational background, political affiliation, cultural heritage, race, religion, body mass index, geographical location of residence, height and/or weight. 13. The method of claim 11, wherein the at least one characteristic that is relevant to the desired at least one behavior comprises at least one interest, taste and/or hobby. 14. The method of claim 1, wherein account holders assigned to nodes connected via at least one edge are neighbors in the social network; wherein the act (A2) comprises populating the network architecture by assigning each of the account holders in the at least a subset of the plurality of account holders to at least one of the plurality of nodes by applying at least one homophily rule. 15. The method of claim 11, further comprising acts of: (B) evaluating effectiveness of the social network for encouraging the at least one behavior; and(C) when it is determined that the network is not performing at a sufficient level for encouraging the behavior, altering the social network. 16. The method of claim 15, wherein the act (C) comprises altering the network architecture to make changes to a manner in which the set of edges connects the set of nodes. 17. The method of claim 15, wherein the act (C) comprises altering the assignment of the at least a subset of account holders among the nodes. 18. The method of claim 1, wherein account holders assigned to nodes connected via at least one edge are neighbors in the social network, and wherein the act (A) comprises providing at least one account holder with information about at least one of his or her neighbors in the social network. 19. The method of claim 1, wherein the act (A) comprises creating the social network so that when the at least one action is taken by the first account holder the information relating to the at least one action is communicated to the at least one second account holder along with information about the first account holder. 20. The method of claim 1, wherein account holders assigned to nodes connected via at least one edge are neighbors in the social network; wherein the act (A1) comprises creating the network architecture to encourage at least one behavior among the at least a subset of the plurality of account holders that is desired by a provider of the on-line computer service; andwherein the method further comprises an act of:(B) seeding the social network to encourage a propagation through the network of communications among neighbors to encourage the at least one desired behavior. 21. The method of claim 1, wherein the act (Al) comprises creating the network architecture to have statistical properties that are unaffected by behavior of the at least a subset of account holders. 22. The method of claim 21, wherein the statistical properties comprise a clustering coefficient, frequency of wide bridges, length, the fraction of closed triads given the possible number of closed triads, the mean geodesic between all nodes, the average fraction of neighborhood overlap between non-neighbors, and/or the distribution of degree centrality in the network. 23. A method for use with an on-line computer service having a plurality of account holders that each has at least one account with the on-line computer service, the method comprising acts of: (A) assigning a pre-specified network topology of interpersonal social ties to otherwise anonymous users who comprise at least a subset of the plurality of account holders for facilitating a spread of desired behavior among the subset of the plurality of account holders by: (A1) creating a network architecture comprising a set of nodes and a set of edges, wherein each one of the edges connects exactly two of the set of nodes and specifies a path for a flow of information between the nodes connected by the one of the edges, the network architecture comprising a pre-specified degree distribution, clustering coefficient, characteristic path length, and average bridge width between nodes, wherein the network architecture is designed to facilitate and control interactions of the at least some of the subset of the plurality of account holders through the network architecture, wherein the created network architecture is pre-defined prior to any communication among account holders of the plurality of account holders via the previously non-existent social network so that each account holder is assigned neighbors and cannot, based on user action, create a new neighbor in the social network by communicating with another account holder; and(A2) populating the created network architecture by: selecting, for each of the account holders in the at least a subset of the plurality of account holders, at least one node of the set of nodes, the subset of the plurality of account holders comprising a first account holder and a second account holder, wherein the selecting comprises selecting a first node from the set of nodes for the first account holder and a second node from the set of nodes for the second account holder, the first node having a first identifier and the second node having a second identifier, the second node being directly connected to the first node via at least one of the set of edges, andassociating the first account holder with the first node and the second account holder with the second node so that when at least one desired behavior is taken by the first account holder assigned to the first node, information relating to the at least one desired behavior is communicated to at least the second account holder assigned to the second node that is directly connected via the at least one of the edges to the first node, wherein the first account holder is associated with the first node by associating the first identifier with the first account holder, and wherein the second account holder is associated with the second node by associating the second identifier with the second account holder. 24. The method of claim 23, wherein people assigned to nodes connected via at least one edge are neighbors in the social network; and wherein the method further comprises an act of providing at least a first account holder from among the subset of account holders with information about his or her neighbors in the social network. 25. The method of claim 24, wherein the actual identities of the neighbors for the first account holder are not provided to the first account holder so that the neighbors are anonymous. 26. The method of claim 23, wherein people assigned to nodes connected via at least one edge are neighbors in the social network; and wherein social interaction via the social network is constrained to the neighbors for an account holder so that an account holder cannot receive direct contact, via the social network from any account holder who is not a neighbor. 27. The method of claim 23, wherein people assigned to nodes connected via at least one edge are neighbors in the social network; and wherein behavior of an account holder is communicated to his or her neighbors along with information identifying the specific account holder who did the behavior. 28. The method of claim 23, wherein people assigned to nodes connected via at least one edge are neighbors in the social network; and wherein when an account holder engages in a behavior, the account holder's neighbors are automatically informed of the behavior without the account holder needing to take any action other than selecting the behavior to trigger informing his or her neighbors.
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