WHY NET NEUTRALITY MATTERS?

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Please cite the following paper: Toyotaro Suzumura and Koji. Ueno, "ScaleGraph: A high-performance library for billion-scale graph analytics," 2015 IEEE International Conference on Big Data (Big Data), Santa Clara, CA, 2015, pp. 76-84. doi: 10.1109/BigData.2015.7363744 Recently, large-scale graph analytics has become a very popular topic owing to the emergence of gigantic graphs whose number of vertices and edges is in millions, billions or even trillions. Many graph analytics libraries and frameworks have been proposed with various computational models and programming languages to deal with such graphs. X10 programming language is a PGAS language that aims at both software performance and programmer's productivity. We introduce ScaleGraph library developed using X10 programming to illustrate the use of X10 for large-scale graph analytics. ScaleGraph library provides XPregel framework that is inspired by Google's Pregel computation model, serving as a building block for implementing graph kernels. We also optimized X10 runtime in some parts such as collective communication and memory management. We evaluated the performance and scalability of ScaleGraph libraries. The result shows that most graph kernels have good performance and scalability. ScaleGraph library is 9.4 times faster than Giraph in the experiment of PageRank with 16 machine nodes. To the best of our knowledge, ScaleGraph is the first X10-based library to address performance, scalability and productivity issues in dealing with large-scale graph analytics.

ScaleGraph - A High-Performance Library for Billion-Scale Graph Analytics

Toyotaro Suzumura

Internet a profondément bouleversé le marché du tourisme en permettant l’émergence de nouveaux acteurs comme les agences de voyage en ligne (OTA – Online Travel Agency) ou les comparateurs de voyage en ligne. L’ offre est tellement large qu’il est souvent devenu difficile pour les petits hébergeurs d’y voir clair ! Pourtant diversifier ses canaux de distribution sur internet garantit souvent un taux d’occupation satisfaisant. Reste à définir la bonne combinaison. Au cours de ce webinar, Jeffrey Messud vous présentera les acteurs incontournables du marché et les spécificités de chacun d’entre eux. L’accent sera également mis sur les différents types de connexions proposés par Xotelia pour chacun de ses sites partenaires. L’occasion pour vous, d’en savoir davantage sur la nouvelle connexion certifiée avec Airbnb, grâce à la présence de Romain Duthoit, Market Manager chez Airbnb. Audience cible : locations touristiques/saisonnières, meublés de tourisme, hotels de petite et moyenne capacité.

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George Fletcher, Associate Professor at the Eindhoven University of Technology, presented gMark, an open-source framework for generating synthetic graph instances and workloads. The main focus of gMark has been to tailor different graph data management scenarios, often driven by query workloads. Such as multi-query optimization, workload-driven graph database physical design or mapping discovery and query rewriting data integration systems.

8th TUC Meeting – George Fletcher (TU Eindhoven), gMark: Schema-driven data a...

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