Scientific Programming / 2016 / Article / Tab 1

Research Article

A Topic Space Oriented User Group Discovering Scheme in Social Network: A Trust Chain Based Interest Measuring Perspective

Table 1

Nomenclature.

CategoryConception or termSymbolDescription

Social network related termsSocial network graph modelFormal description of social network (Definition 1)
Trust chainTrustworthy relationship among users (Definition 4)
Topic space oriented user groupUser group organized according to a topic space (Definition 5)

Topic related termsTopic spaceA set of topics which have large impacts and close relations (Definition 2)
User interestThe quantified value of user’s interest level about a specific topic or a topic space (Definition 3)

Topic space related calculationRelatedness clustering for topic spaceThe closeness degree of topics
Relatedness degree matrixA matrix of relatedness degree for candidate topics in topic space clustering
Topic influence rank (TIR) degree of link relationInfluence degree of a topic based on its link relation
TIR degree of hierarchy relationInfluence degree of a topic based on its hierarchy relation
Influence degree value of a topicInfluence degree of a topic based on TIR
Popularity of topicPopularity level of a topic
Impact of the topic spaceImpact degree of the topic space

Trust chain related calculationAtomic trust chainTrust degree of atomic trust chain
Serial trust chainTrust degree of serial trust chain
Parallel trust chainTrust degree of parallel trust chain
Combined trust chainTrust degree of combined trust chain
User influenceThe influence degree of a user on his/her trust chain

User interest related calculationExplicit interestThe degree of explicit interests which can be measured through users’ direct behaviors or other direct witness evidences
Implicit interestThe degree of implicit interests which reflects the users’ potential opinion toward topic

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.