Abstract: The present invention relates to a method for scoring individual network competitiveness and network effect by network analysis in an online social network, particularly, to embody a social network in an online way, to measure network competitiveness and network effect of each node in an online social network based on results of mutual evaluation for trust, integrity, solidarity, openness, importance, and intimacy among the 1st ties related nodes in a social network, and to give information value to nodes and ties of networks.

Abstract: A system and method for measuring social capital index in an online social network has developed to measure competitive power, coherence, etc. with social capital index by a plurality of element (trust, integrity, solidarity, openness, importance, intimacy) towards specific network with each individual, and the whole network; to set up standards of route search in the social network map (GUI which expresses the social connection network as a graphic map); perform innovative services with obtaining asymmetric information of the link, the object of network analysis of the social connection network, and to establish a stable network.

Abstract: A method and system for managing social brokering services in an online social network has developed that is comprising: social network database storing member information, human network information by member information on basis of a social network, and Needs information; an application server converting written Needs request into Needs information and storing it as said social network database after making payment of charges for use when the written Needs request for solving problems is inputted from Social Brokering Users, acting as members, providing Needs proposal with Social Brokering Users when the written Needs proposal is conveyed from Social Brokers, members, making payment of the amount according to types of dealing, like purchase, sales, exchange, etc.