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SlideShare: Building a Scalable Web Crawler with Hadoop

SlideShare: Building a Scalable Web Crawler with Hadoop

Common Crawl on building an open Web-Scale crawl using Hadoop.
Common Crawl Foundation
Common Crawl - Open Source Web Crawling data‍
Video: Gil Elbaz at Web 2.0 Summit 2011

Video: Gil Elbaz at Web 2.0 Summit 2011

Hear Common Crawl founder discuss how data accessibility is crucial to increasing rates of innovation as well as give ideas on how to facilitate increased access to data.
Common Crawl Foundation
Common Crawl - Open Source Web Crawling data‍
Video: This Week in Startups - Gil Elbaz and Nova Spivack

Video: This Week in Startups - Gil Elbaz and Nova Spivack

Nova and Gil, in discussion with host Jason Calacanis, explore in depth what Common Crawl is all about and how it fits into the larger picture of online search and indexing.
Common Crawl Foundation
Common Crawl - Open Source Web Crawling data‍
Video Tutorial: MapReduce for the Masses

Video Tutorial: MapReduce for the Masses

Learn how you can harness the power of MapReduce data analysis against the Common Crawl dataset with nothing more than five minutes of your time, a bit of local configuration, and 25 cents.
Common Crawl Foundation
Common Crawl - Open Source Web Crawling data‍
Common Crawl Enters A New Phase

Common Crawl Enters A New Phase

A little under four years ago, Gil Elbaz formed the Common Crawl Foundation. He was driven by a desire to ensure a truly open web. He knew that decreasing storage and bandwidth costs, along with the increasing ease of crunching big data, made building and maintaining an open repository of web crawl data feasible.
Common Crawl Foundation
Common Crawl - Open Source Web Crawling data‍
Gil Elbaz and Nova Spivack on This Week in Startups

Gil Elbaz and Nova Spivack on This Week in Startups

Nova and Gil, in discussion with host Jason Calacanis, explore in depth what Common Crawl is all about and how it fits into the larger picture of online search and indexing. Underlying their conversation is an exploration of how Common Crawl's open crawl of the web is a powerful asset for educators, researchers, and entrepreneurs.
Allison Domicone
Allison Domicone was formerly a Program and Policy Consultant to Common Crawl and previously worked for Creative Commons.
MapReduce for the Masses: Zero to Hadoop in Five Minutes with Common Crawl

MapReduce for the Masses: Zero to Hadoop in Five Minutes with Common Crawl

Common Crawl aims to change the big data game with our repository of over 40 terabytes of high-quality web crawl information into the Amazon cloud, the net total of 5 billion crawled pages.
Common Crawl Foundation
Common Crawl - Open Source Web Crawling data‍
Answers to Recent Community Questions

Answers to Recent Community Questions

In this post we respond to the most common questions. Thanks for all the support and please keep the questions coming!
Common Crawl Foundation
Common Crawl - Open Source Web Crawling data‍
Common Crawl Discussion List

Common Crawl Discussion List

We have started a Common Crawl discussion list to enable discussions and encourage collaboration between the community of coders, hackers, data scientists, developers and organizations interested in working with open web crawl data.
Common Crawl Foundation
Common Crawl - Open Source Web Crawling data‍

Common Crawl Blog

October 2019 crawl archive now available

October 29, 2019

The crawl archive for October 2019 is now available! It contains 3.0 billion web pages or 280 TiB of uncompressed content, crawled between October 13th and 24th. It includes page captures of 1.1 billion URLs not contained in any crawl archive before.

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September 2019 crawl archive now available

September 28, 2019

The crawl archive for September 2019 is now available! It contains 2.55 billion web pages or 240 TiB of uncompressed content, crawled between September 15th and 24th. It includes page captures of 1.0 billion URLs not contained in any crawl archive before. The other 1.5 billion pages have been already captured in prior crawls and are now revisited.

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August 2019 crawl archive now available

August 30, 2019

The crawl archive for August 2019 is now available! It contains 2.95 billion web pages or 260 TiB of uncompressed content, crawled between August 17th and 26th.

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Host- and Domain-Level Web Graphs May/June/July 2019

August 8, 2019

We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of May, June and July 2019. Additional information about the data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

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July 2019 crawl archive now available

July 30, 2019

The crawl archive for July 2019 is now available! It contains 2.6 billion web pages or 220 TiB of uncompressed content, crawled between July 15th and 24th.

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June 2019 crawl archive now available

July 2, 2019

The crawl archive for June 2019 is now available! It contains 2.6 billion web pages or 220 TiB of uncompressed content, crawled between June 16th and 27th with an operational break from 21st to 24th.

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May 2019 crawl archive now available

May 31, 2019

The crawl archive for May 2019 is now available! It contains 2.65 billion web pages or 220 TiB of uncompressed content, crawled between May 19th and 27th.

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Host- and Domain-Level Web Graphs Feb/Mar/Apr 2019

May 9, 2019

We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of February, March and April 2019. Additional information about the data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

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April 2019 crawl archive now available

April 30, 2019

The crawl archive for April 2019 is now available! It contains 2.5 billion web pages or 198 TiB of uncompressed content, crawled between April 18th and 26th.

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March 2019 crawl archive now available

April 1, 2019

The crawl archive for March 2019 is now available! It contains 2.55 billion web pages or 210 TiB of uncompressed content, crawled between March 18th and 27th.

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February 2019 crawl archive now available

March 1, 2019

The crawl archive for February 2019 is now available! It contains 2.9 billion web pages or 225 TiB of uncompressed content, crawled between February 15th and 24th.

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Host- and Domain-Level Web Graphs Nov/Dec/Jan 2018 - 2019

February 20, 2019

We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of November, December 2018 and January 2019. Additional information about the data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

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January 2019 crawl archive now available

January 28, 2019

The crawl archive for January 2019 is now available! It contains 2.85 billion web pages or 240 TiB of uncompressed content, crawled between January 15th and 24th.

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December 2018 crawl archive now available

December 22, 2018

The crawl archive for December 2018 is now available! It contains 3.1 billion web pages or 250 TiB of uncompressed content, crawled between December 9th and 19th.

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November 2018 crawl archive now available

November 29, 2018

The crawl archive for November 2018 is now available! It contains 2.6 billion web pages or 220 TiB of uncompressed content, crawled between November 12th and 22nd.

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Host- and Domain-Level Web Graphs Aug/Sep/Oct 2018

November 13, 2018

We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of August, September and October 2018. Additional information about data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

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October 2018 crawl archive now available

October 30, 2018

The crawl archive for October 2018 is now available! It contains 3.0 billion web pages and 240 TiB of uncompressed content, crawled between October 15th and 24th.

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September 2018 crawl archive now available

October 3, 2018

The crawl archive for September 2018 is now available! It contains 2.8 billion web pages and 220 TiB of uncompressed content, crawled between September 17th and 26th.

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August Crawl Archive Introduces Language Annotations

August 26, 2018

The crawl archive for August 2018 is now available! It contains 2.65 billion web pages and 220 TiB of uncompressed content, crawled between August 14th and 22th. Together with an upgrade of the crawler software we've plugged in a language detector and now provide as annotation the language a web page is written in.

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Host- and Domain-Level Web Graphs May/June/July 2018

August 12, 2018

We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of May, June and July 2018. Additional information about data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

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3.25 Billion Pages Crawled in July 2018

July 28, 2018

The crawl archive for July 2018 is now available! The archive contains 3.25 billion web pages and 255 TiB of uncompressed content, crawled between July 15th and 23th.

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June 2018 Crawl Archive Now Available

July 2, 2018

The crawl archive for June 2018 is now available! The archive contains 3.05 billion web pages and 235 TiB of uncompressed content, crawled between June 18th and 25th.

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May 2018 Crawl Archive Now Available

June 1, 2018

The crawl archive for May 2018 is now available! The archive contains 2.75 billion web pages and 215 TiB of uncompressed content, crawled between May 20th and 28th.

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Host- and Domain-Level Web Graphs Feb/Mar/Apr 2018

May 7, 2018

We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of February, March and April 2018. Additional information about data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

Read More...

April 2018 Crawl Archive Now Available

May 2, 2018

The crawl archive for April 2018 is now available! The archive contains 3.1 billion web pages and 230 TiB of uncompressed content, crawled between April 19th and 27th.

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