Lecture Notes in Computer Science 8882

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Anthony Bonato · Fan Chung GrahamPaweł Prałat (Eds.)

Algorithms and Modelsfor the Web Graph11th International Workshop, WAW 2014Beijing, China, December 17–18, 2014Proceedings

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EditorsAnthony BonatoRyerson UniversityToronto, OntarioCanada

Fan Chung GrahamUniversity of California San DiegoLa Jolla, CaliforniaUSA

Paweł PrałatRyerson UniversityToronto, OntarioCanada

ISSN 0302-9743 ISSN 1611-3349 (electronic)ISBN 978-3-319-13122-1 ISBN 978-3-319-13123-8 (eBook)DOI 10.1007/978-3-319-13123-8

Library of Congress Control Number: 2014954619

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Preface

The 11th Workshop on Algorithms and Models for the Web Graph (WAW 2014) tookplace at the Academy of Mathematics and Systems Science in Beijing, China, duringDecember 17–18, 2014. This is an annual meeting, which is traditionally colocated withanother, related, conference. WAW 2014 was colocated with the 10th Conference onWeb and Internet Economics (WINE 2014). Colocation of the workshop and conferenceprovided opportunities for researchers in two different but interrelated areas to interactand to exchange research ideas. It was an effective venue for the dissemination of newresults and for fostering research collaboration.

The World Wide Web has become a part of our everyday life, and information re-trieval and data mining on the Web are now of enormous practical interest. The al-gorithms supporting these activities combine the view of the Web as a text repositoryand as a graph, induced in various ways by links among pages, hosts, and users. Theaim of the workshop was to further the understanding of graphs that arise from theWeb and various user activities on the Web, and stimulate the development of high-performance algorithms and applications that exploit these graphs. The workshop gath-ered the researchers who are working on graph-theoretic and algorithmic aspects ofrelated complex networks, including social networks, citation networks, biological net-works, molecular networks, and other networks arising from the Internet.

This volume contains the papers presented during the workshop. Each submissionwas reviewed by the Programme Committee members. Papers were submitted and re-viewed using the EasyChair online system. The committee members decided to accept12 papers.

December 2014 Anthony BonatoFan Chung Graham

Paweł Prałat

Organization

General Chairs

Andrei Z. Broder Google Research, USAFan Chung Graham University of California, San Diego, USA

Organizing Committee

Anthony Bonato Ryerson University, CanadaFan Chung Graham University of California, San Diego, USAPaweł Prałat Ryerson University, Canada

Program Committee

Konstantin Avratchenkov Inria, FranceAyse Bener Ryerson University, CanadaPaolo Boldi University of Milano, ItalyAnthony Bonato Ryerson University, CanadaMilan Bradonjic Bell Laboratories, USAFan Chung Graham University of California, San Diego, USACollin Cooper King’s College London, UKArtur Czumaj University of Warwick, UKAndrzej Dudek Western Michigan University, USAAlan Frieze Carnegie Mellon University, USADavid Gleich Purdue University, USAAdam Henry University of Arizona, USAJeannette Janssen Dalhousie University, CanadaEvangelos Kranakis Carleton University, CanadaRavi Kumar Google, USAStefano Leonardi Sapienza University of Rome, ItalyMarek Lipczak Dalhousie University, CanadaNelly Litvak University of Twente, The NetherlandsLinyuan Lu University of South Carolina, USAMichael Mahoney UC Berkeley, USAOliver Mason NUI Maynooth, IrelandDieter Mitsche Universite de Nice Sophia-Antipolis, FrancePeter Morters University of Bath, UKTobias Mueller Utrecht University, The Netherlands

VIII Organization

Mariana Olvera-Cravioto Columbia University, USAJP Onnela Harvard University, USALiudmila Ostroumova Yandex, RussiaPan Peng TU Dortmund, GermanyPaweł Prałat Ryerson University, CanadaStephen Young University of Louisville, USA

Sponsoring Institutions

GoogleInternet MathematicsMicrosoft Research New EnglandRyerson University

Contents

Clustering and the Hyperbolic Geometry of Complex Networks . . . . . . . . . . 1Elisabetta Candellero and Nikolaos Fountoulakis

Burning a Graph as a Model of Social Contagion. . . . . . . . . . . . . . . . . . . . 13Anthony Bonato, Jeannette Janssen, and Elham Roshanbin

Personalized PageRank with Node-Dependent Restart . . . . . . . . . . . . . . . . . 23Konstantin Avrachenkov, Remco van der Hofstad, and Marina Sokol

Efficient Computation of the Weighted Clustering Coefficient . . . . . . . . . . . 34Silvio Lattanzi and Stefano Leonardi

Global Clustering Coefficient in Scale-Free Networks. . . . . . . . . . . . . . . . . 47Liudmila Ostroumova Prokhorenkova and Egor Samosvat

Efficient Primal-Dual Graph Algorithms for MapReduce. . . . . . . . . . . . . . . 59Bahman Bahmani, Ashish Goel, and Kamesh Munagala

Computing Diffusion State Distance Using Green’s Functionand Heat Kernel on Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Edward Boehnlein, Peter Chin, Amit Sinha, and Linyuan Lu

Relational Topic Factorization for Link Prediction in Document Networks. . . . 96Wei Zhang, Jiankou Li, and Xi Yong

Firefighting as a Game . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108Carme Àlvarez, Maria J. Blesa, and Hendrik Molter

PageRank in Scale-Free Random Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . 120Ningyuan Chen, Nelly Litvak, and Mariana Olvera-Cravioto

Modelling of Trends in Twitter Using Retweet Graph Dynamics . . . . . . . . . 132Marijn ten Thij, Tanneke Ouboter, Daniël Worm, Nelly Litvak,Hans van den Berg, and Sandjai Bhulai

LiveRank: How to Refresh Old Crawls . . . . . . . . . . . . . . . . . . . . . . . . . . . 148The Dang Huynh, Fabien Mathieu, and Laurent Viennot

Author Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161