Definition of trust
The authors propose to measure how controversial are users, and thus, they do not “assume every user has a global quality score everyone agree on”. Their goal is to predict the correct value.
Baselines: Ebay trust and controversiality levels:
Local/global metric? Or where is trust used?
Global metrics are not suitable for controversial users.
MoleTrust (local metric): it predicts the trust score by walking the social network starting from the source user and by propagating trust along trust edges. The predicted trust score is the average of all the accepted incoming trust edge values, weighted by the trust score of the user who has issued the trust statement:
CiteULike organises scholarly (or academic) papers or literature and provides bibliographic
(which means it makes bibliographies) for universities and higher education establishments.
It helps undergraduates and postgraduates. People studying for PhDs or in postdoctoral (postdoc) positions.
The service is similar in scope to EndNote or RefWorks or any other reference manager
like BibTeX, but it is a social bookmarking service for scientists and humanities researchers.