Calculation method and calculation system of social-network user trust

Abstract

The invention discloses a calculation method and a calculation system of social-network user trust. The calculation method of the social-network user trust includes: S100, calculation of a trust factor; and S200, calculation of a trust prediction value. By utilizing the calculation method and the calculation system of the social-network user trust of the invention, a trust relationship between users can be established without the need for providing trust attribute information of the users by the users. The calculation method has a very high prediction speed and higher prediction precision; successfully explains technical problems of trust propagation and trust imbalance in trust chains; successfully solves a technical problem that transmission of the trust often fails, and can ensure thattransmission of the trust always succeeds; can effectively filter out malicious users, is higher in security, and thus can ensure that a social network is more secure; and is more wider in a scope ofapplication , and has a huge market promotion value.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a computing method and computing system for social network user trust. Background technique [0002] With the popularity of social network services, the number and types of social network users are increasing year by year, and more and more information and services are shared or provided through social networks. In the process of sharing or providing information and services, trust among social network users plays a very important role. Users are more likely to accept information from trusted users and reject information from distrustful users, and share information with trusted users. user. [0003] At present, the three most common methods for establishing trust in social networks are: transaction trust, trust chain and recommendation trust. [0004] Transaction trust establishes a trust relationship through historical transaction information between users, which is a ...

AI Technical Summary

Problems solved by technology

[0005] The chain of trust method assumes that trust has a certain transmission ability, and the trust relationship between users can be established through the chain of trust. The chain of trust is an indirect method of establishing trust, which can effectively expand the number of trusted users. Doesn't deal with distrust, doesn't account for trust propagation and trust imbalances in the chain of trust, and the transfer of trust isn't always successful;

[0006] Recommendation trust uses the similarity of user trust attributes to recommend trust nodes for users or recommends trust nodes to users through authoritative nodes. It is also an indirect trust method. Recommendation trust can effectively recommend trust nodes for users, but there are also significant defects. , that is, this method requires the user’s trust attribute information, but in social networks, users are generally unwilling to actively provide their own trust attribute information, so there are certain difficulties in obtaining the user’s trust attribute information. On the other hand, when authoritative nodes are used to send users When recommending trusted nodes, how to select authoritative nodes and the certification of authoritative nodes is also a difficult problem to solve

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