IEEE INFOCOM 2014 - IEEE Conference on Computer Communications 2014
DOI: 10.1109/infocom.2014.6848108
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FluidRating: A time-evolving rating scheme in trust-based recommendation systems using fluid dynamics

Abstract: Abstract-The goal of a trust-based recommendation system is to predict unknown ratings based on the ratings expressed by trusted friends. However, most of the existing work only considers the ratings at the current time slot. In real life, a user receives the influence of different opinions sequentially; accordingly, his opinion evolves over time. We propose a novel rating prediction scheme, FluidRating, which uses fluid dynamics theory to reveal the time-evolving formulation process of human opinions. The rec… Show more

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Cited by 19 publications
(4 citation statements)
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References 16 publications
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“…The key limitation of these models is that the trustworthiness of users within a community is indistinguishable [67], which limits the application of the models. Graph based models [29,47,62,69] assign a real number, ranging from 0 to 1, on each edge in the trust social network, and employ graph searching algorithms to evaluate the trustworthiness between any two users. The major limitation of these models is that trust is represented as a single value, which omits the uncertainty existing in trust and thus is inaccurate in assessing trust.…”
Section: Limitations Of Prior Artmentioning
confidence: 99%
“…The key limitation of these models is that the trustworthiness of users within a community is indistinguishable [67], which limits the application of the models. Graph based models [29,47,62,69] assign a real number, ranging from 0 to 1, on each edge in the trust social network, and employ graph searching algorithms to evaluate the trustworthiness between any two users. The major limitation of these models is that trust is represented as a single value, which omits the uncertainty existing in trust and thus is inaccurate in assessing trust.…”
Section: Limitations Of Prior Artmentioning
confidence: 99%
“…e idea of FluidRating is an important part of our model [12,13]. For a certain product, FluidRating divides the users into two categories.…”
Section: Fluidratingmentioning
confidence: 99%
“…is time the central route is more effective. On this basis, we express these two routes in the form of fluid mechanics from the idea of FluidRating [12,13]. Finally, the model was proposed, which we called ELMFluid.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, based on trust evaluation schemes, many interesting models can be flexibly incorporated and many applications can be conducted. For instance, [30] proposes a rating prediction scheme in trust-based recommendation system, using fluid dynamics theory.…”
Section: B Trust Models In Osnsmentioning
confidence: 99%