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Article
Open AccessEstimating node connectedness in spatial network under stochastic link disconnection based on efficient sampling
Many networks including spatial networks, social networks, and web networks, are not deterministic but probabilistic due to the uncertainty of link existence. From networks
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Chapter and Conference Paper
A New Group Centrality Measure for Maximizing the Connectedness of Network Under Uncertain Connectivity
In this paper, we propose a new centrality measure for the purpose of estimating and recommending installation sites of evacuation facilities that many residents can reach even in the situation where roads are...
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Article
Open AccessImproving approximate extraction of functional similar regions from large-scale spatial networks based on greedy selection of representative nodes of different areas
Dividing a geographical region into some subregions with common characteristics is an important research topic, and has been studied in many research fields such as urban planning and transportation planning. ...
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Chapter and Conference Paper
Fast Extraction Method of Functional Clusters from Large-Scale Spatial Networks Based on Transfer Learning
In this paper, we treat the road network of each city as a network and attempt to accelerate extracting functional clusters which means areas that perform similar functions in road network. As a method of extr...
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Chapter
Acceleration of Functional Cluster Extraction and Analysis of Cluster Affinity
Each chapter should be preceded by an abstract (10–15 lines long) that summarizes the content. The abstract will appear online at www.SpringerLink.com and be avail...
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Chapter and Conference Paper
Accelerating Greedy K-Medoids Clustering Algorithm with \(L_1\) Distance by Pivot Generation
With the explosive increase of multimedia objects represented as high-dimensional vectors, clustering techniques for these objects have received much attention in recent years. However, clustering methods usua...
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Chapter and Conference Paper
Content Centrality Measure for Networks: Introducing Distance-Based Decay Weights
We propose a novel centrality measure that is called Content Centrality for a given network that considers the feature vector of each node generated from its posting activities in social media, its own propert...
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Chapter and Conference Paper
MDSR: An Eigenvector Approach to Core Analysis of Multiple Directed Graphs
In this paper, we address a problem of extracting core portions of a network represented as a multiple directed graph. For this purpose, we propose a new core extraction method called MDSR (Multiple-Directed-S...
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Chapter and Conference Paper
Estimating Network Structure from Anonymous Ego-centric Information
We address a problem of estimating the whole structure of an actual social network of people from only their two types of anonymous ego-centric information, personal attributes like sex and relational ones lik...
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Chapter and Conference Paper
Extracting Communities in Networks Based on Functional Properties of Nodes
We address the problem of extracting the groups of functionally similar nodes from a network. As functional properties of nodes, we focus on hierarchical levels, relative locations and/or roles with respect to...
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Chapter
The k-Dense Method to Extract Communities from Complex Networks
To understand the structural and functional properties of large-scale complex networks, it is crucial to efficiently extract a set of cohesive subnetworks as communities. There have been proposed several such ...
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Chapter and Conference Paper
Evaluation of Using Human Relationships on the Web as Information Navigation Paths
We investigated the use of human relationships on the web for information navigation paths. We propose a new information navigation method that uses personal names. It automatically extracts the human relation...
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Chapter and Conference Paper
Detecting Search Engine Spam from a Trackback Network in Blogspace
We aim to develop a technique to detect search engine optimization (SEO) spam websites. Specifically, we propose four methods for extracting the SEO spam entries from a given trackback network in blogspace tha...