The Anatomy of Large-Scale Social Search Engine: ソーシャル検索エンジンAardvark論文の輪講用資料 - シリコンの谷のゾンビ
巷 (もしかしたら非常に一部?) を騒がせているWWW2010に採択されたソーシャル検索エンジンAardvark論文 "The Anatomy of Large-Scale Social Search Engine" を読んで，ここ3日間ほど夜なべをして作成した輪講用資料を公開します．普段読まない類の論文だったので色々大変でしたが，非常に勉強になりました． ちょうど論文を読んだ頃にGoogleによる買収が正式発表になったので非常にタイムリーなネタとなりました． The Anatomy of Large-Scale Social Search EngineView more presentations from sleepy_yoshi. 論文や資料を見ればわかるとおり，個々の技術はオーソドックスな技術の組み合わせになっています．それを組み合わせてひとつのサービスという形で提供し，更に実際の
Alistair Moffat
Research interests Text and index compression Text indexing methods, index construction Information retrieval heuristics Current Research and List of Papers Books Programming, Problem Solving, and Abstraction with C, 2003 Compression and Coding Algorithms, 2002 Managing Gigabytes: Compressing and Indexing Documents and Images, 1999 Postgraduate students Sri Devi Ravana Stefan Pohl William Webber Y
Justin Zobel
Program leader and Principal Research Fellow, NICTA. Professor School of Computer Science and Software Engineering, the University of Melbourne Mail: care of NICTA, Level 2 Building 193, University of Melbourne, Parkville 3010, Australia. Phone: +61 3 8344 6243, email: jz ...at... csseDunimelbDeduDau Some current activities ... President, the CORE association of Computer Science departments in Aus
Ricardo Baeza-Yates' Personal Web Site
Ricardo Baeza-Yates is currently Director of Research (part-time) at the Institute for Experiential AI of Northeastern University, Silicon Valley campus, since January 2021. He is also a member of the DATA Lab at the Khoury College of Computer Sciences. The rest of the time he does consulting for tech startups, companies and non-profit international institutions, particularly in responsible AI. He
Paul Heymann
UPDATE: This is an archive of my old Stanford pages. These pages will cease to be updated. To find out what I'm up to these days, check out paulheymann.com. About I am a Ph.D. student in the Computer Science Department, working with Professor Hector Garcia-Molina as part of the InfoLab. Tagging Recently, I have been investigating collaborative tagging systems. Tagging systems are based around "tag
1日で作る全文検索エンジン - Building a full-text search engine in "ONE" day - - とあるはてな社員の日記
最近、「Introduction to Information Retrieval」というStanfordの大学院向け教科書のドラフトを読んでいます。id:naoyaあたりが勉強会で読んでいる教科書です。この教科書には、効率のいい全文検索システムを作るにはどうすればいいか、という(まさに)教科書的手法が網羅的に書いてあり、そのあたりに興味がある人には、非常に興味深く読めるお勧めの本です。 ただ、面白い面白いと言っているだけでは、エンジニアとしては価値半減ですので、GW中にrubyで一日かけて実装してみました。 さすがに実装は、一日で作ったものですから、非常に素朴です。マルチバイト文字はbi-gramで、シングルバイトはスペースなどの区切り記号で認識しています。インデックスは、rubyの処理系のHashやArrayで保持しており、外部にMarshallで書き出す、というものです。検索エンジン
Hector Garcia-Molina
Hector Garcia-Molina is the Leonard Bosack and Sandra Lerner Professor in the Departments of Computer Science and Electrical Engineering at Stanford University, Stanford, California. He was the chairman of the Computer Science Department from January 2001 to December 2004. From 1997 to 2001 he was a member the President's Information Technology Advisory Committee (PITAC). From August 1994 to Decem
CSE 494//598 Information Retrieval, Mining and Integration on the Internet
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SVD Recommendation System in Ruby - igvita.com
By Ilya Grigorik on January 15, 2007 One day, a bunch of friends, who happened to be big Family Guy fans, decided to put together a site to rank and share their thoughts on the show. Soon thereafter they had a Rails site up and running, and all was well, and other fans joined in hordes. A web 2.0 success! Then one day they realized that they could no longer track everyone's ratings, their user-bas
Introduction to Information Retrieval
This is the companion website for the following book. Christopher D. Manning, Prabhakar Raghavan and Hinrich Schütze, Introduction to Information Retrieval, Cambridge University Press. 2008. You can order this book at CUP, at your local bookstore or on the internet. The best search term to use is the ISBN: 0521865719. The book aims to provide a modern approach to information retrieval from a co
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Jaime Teevan, Ph.D.
algorithms, randomization, theoretical computer science, information retrieval, professor, graphs and networks, combinatorial optimization
Photo Tourism: Microsoft Research, Interactive Visual Media Group
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IR Lab - Guy Lebanon
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