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Št. zadetkov: 5
On Compressing Social Networks
Ravi Kumar
Video in druga učna gradiva
Oznake: computer science;network analysis;social networks
Motivated by structural properties of the Web graph that support efficient data structures for in memory adjacency queries, we study the extent to which a large network can be compressed. Boldi and Vigna (WWW 2004), showed that Web graphs can be compressed down to three bits of storage per edge; we ...
Leto: 2009 Vir: videolectures.net
Online Social Networks: Modeling and Mining
Ravi Kumar
Video in druga učna gradiva
Oznake: computer science;network analysis;social networks
Online social networks have become major and driving phenomena on the web. In this talk we will address key modeling and algorithmic questions related to large online social networks. From the modeling perspective, we raise the question of whether there is a generative model for network evolution. T ...
Leto: 2009 Vir: videolectures.net
Para 'Normal' Activity: On the Distribution of Average Ratings
Ravi Kumar
Video in druga učna gradiva
Oznake: computer science;machine learning;internet, world wide web;social media
In this paper we study the distribution of average user rating of entities in three different domains: restaurants, movies, and products. We find that the distribution is heavily skewed, closely resembling a log-normal in all the cases. In contrast, the distribution of average critic rating is much ...
Leto: 2013 Vir: videolectures.net
Top-k Aggregation Using Intersection of Ranked Inputs
Ravi Kumar , Kunal Punera , Torsten Suel , Sergei Vassilvitskii
Video in druga učna gradiva
Oznake:
Leto: 2009 Vir: videolectures.net
ǂAn ǂinvestigation into bipolar fuzzy hoop algebras and their applications
Tahsin Oner, Neelamegarajan Rajesh, Ravi Kumar Bandaru, Hashem Bordbar
Izvirni znanstveni članek
Oznake: hoop;bipolar fuzzy sub-hoop;bipolar fuzzy ideal;
This paper introduces bipolar fuzzy sub-hoops and bipolar fuzzy filters within hoop algebras, extending fuzzy logic to incorporate both positive and negative membership degrees. We define these structures, explore their algebraic properties, and establish their interplay through rigorous theorems ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Št. zadetkov: 5
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