2015
DOI: 10.1142/s0217979215501088
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Accurate similarity index based on activity and connectivity of node for link prediction

Abstract: Recent years have witnessed the increasing of available network data; however, much of those data is incomplete. Link prediction, which can find the missing links of a network, plays an important role in the research and analysis of complex networks. Based on the assumption that two unconnected nodes which are highly similar are very likely to have an interaction, most of the existing algorithms solve the link prediction problem by computing nodes' similarities. The fundamental requirement of those algorithms … Show more

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Cited by 11 publications
(3 citation statements)
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“…Complex networks are pervasive in many fields, including biology [11], physics, computer science and others. Presently, the research encompasses important node identification [12], community discovery [13], link prediction [14], etc. Important node identification is a key problem in complex networks [15].…”
Section: Discussionmentioning
confidence: 99%
“…Complex networks are pervasive in many fields, including biology [11], physics, computer science and others. Presently, the research encompasses important node identification [12], community discovery [13], link prediction [14], etc. Important node identification is a key problem in complex networks [15].…”
Section: Discussionmentioning
confidence: 99%
“…Besides learning-based methods, an ocean of similaritybased methods have been proposed due to their simplicity and feasibility [10], [11], [30]. The simplest one is the Preferential Attachment index [31], which defines the similarity score between two target nodes as the product of their degrees.…”
Section: Tablementioning
confidence: 99%
“…As a fundamental research hotspot in complex network analysis, link prediction has a wide range of applications in both theory and reality, such as analysis of network evolution [1,2], recommendation system [3], and checking potential interactions between proteins in biological networks [4,5]. The basic task of link prediction is to estimate the missing or latent existent links between unconnected nodes in a network [6,7]. To date, a host of algorithms and models have been proposed for link prediction [6,8,9].…”
Section: Introductionmentioning
confidence: 99%