OpenCalais Partners

OpenCalais partners include major media networks, top-tier publishers, start-up entrepreneurs and some of the most creative developers on the Web. Check out their stories below, or watch, listen and learn from our video profiles in innovation.


Al Jazeera English’s new blogging network features Al Jazeera correspondents from around the world. All posts in the new blog network are semantically tagged using OpenCalais for optimal search and navigation. It also uses a Creative Commons license and allows users to sign-in to comment using Facebook Connect, Twitter or OpenID. is the first international open media site that pulls news, video and images from across the globe into one place. uses OpenCalais to make meaningful connections between individuals, reporters and citizen journalists and the wide variety of issues and events they report on.

 “We are first and foremost a people’s media company; our mission is to leverage in-country reports from around the world into mainstream media,” said founder and CEO Amra Tareen. “We hope to bring a level of intimacy to global reporting by integrating stories and reports that would normally receive little to no coverage into the greater global conversation.


AskJot is a tool for analyzing web pages for keywords, and displaying them as links to search results from various services around the Web. Developed by John Wright of Wright Labs and formerly known as Semantalyzr, Ask Jot uses OpenCalais, The New York Times article search API, DBPedia, the Yahoo! Answers API, the flickr API and many more.


Associated Content has adopted the OpenCalais service to achieve deeper classification and categorization within its vast library of over 1.7 million pieces of content, while improving on its abilities to connect advertisers with relevant, quality content.

“With upwards of 3,000 pieces of content being submitted to Associated Content every day, speed and scalability are essential to our success,” said Sonu Kansal, CTO of Associated Content. “The OpenCalais service helps us automate our classification and categorization processes, making it easy to find the most relevant concepts and connections in our quality content sets. This allows us to optimize the placement of advertising, improving results for our partners while providing readers with a more contextually relevant experience.”


Associated Newspapers is using OpenCalais to enhance their search engine optimization (SEO) efforts. "OpenCalais was originally part of a suite of data mining and SEO solutions we assembled for Mail Online, and our intention was to use it to ‘Sanity Check’ the rest,” says Simon Schnieders, SEO Manager for Associated Newspapers’ Mail Online, “It speaks volumes for the service that we came to rely on OpenCalais for entity extraction."


The British Library is using OpenCalais to help power its UK Web Archive project, along with Hadoop, Nutch, Pig Latin, as well as IBM’s BigSheets and InfoSphere classification tool. Read more here.



CBS Interactive/CNET is using OpenCalais for semantic analysis of its tech product reviews, award-winning news, and blog postings on consumer electronics and technology, where it will streamline CNET’s content operations, drive audience engagement, and further extend CNET’s reach across the Web. "Using OpenCalais will allow CNET to aggregate and organize content in new ways, produce topic-based sites, improve search functionality and generate improved content recommendations," says Jim Stanley, Vice-President of Products, CBS Interactive Technology & News.


In addition, CNET is joining Thomson Reuters and the OpenCalais initiative in publishing core data assets for public, programmatic use on the Linked Data cloud. CNET will make its original content – such as tech product reviews on laptops, TVs, smart phones, and digital cameras; news articles and blog posts from its CNET News editorial staff; and parts of its core technology product catalog - available for public use. Read about CNET’s pioneering work in this ReadWriteWeb article.


DailyMe is using OpenCalais to achieve a new level of personalization.  "OpenCalais helps us to create a picture of a user’s behavior and interests, so that we can personalize the news for them," says Neil Budde, President and Chief Product Officer. “That capability has enabled us to add automated personalization features that both improve our readers’ experience and help optimize ad targeting for our partners.” 


DocumentCloud. Founded by reporters from The New York Times and ProPublica, and funded by the Knight Foundation, DocumentCloud is a unique online resource that will offer public access to news reporters’ original source materials, including documents, media files and more. OpenCalais processes materials available through DocumentCloud to make it easy for users to explore connections between newsmakers, corporations, transactions and even quotations across documents and across the full collection of source information.


Feedly is a Firefox plug-in brings to life user-selected inputs from Google Reader, friendfeed, Twitter, RSS feeds and more in an easy-to-read and engaging magazine-style format. “Feedly makes news reading fun again,” says Feedly founder and CEO, Edwin Khodabakchian. “By employing OpenCalais and other semantic technologies on the back end for clustering, linking and organizing, we’re working to deliver the world’s best news reading experience at the front end.”  See our video interview with Edwin in our video profiles in innovation.


FeedTrace enables anyone to mine Twitter content for links, and makes it easy to find the most relevant news, articles and videos being shared on Twitter by link popularity. FeedTrace uses OpenCalais to categorize popular links to help you quickly navigate through real-time content to find the ‘right time content’ that matters most. Hedgehogs is a social application platform for the hedge fund and investment community and those who serve it. It uniquely supports the social and collaborative aspects of trading and investment, enabling members to discuss and develop trading ideas; share commercial propositions, and collaborate to deliver tangible business targets. Hedgehogs uses OpenCalais to automatically index and cross reference content from heterogeneous sources, as the basis for persistent search and alerts, and to power its automated contextual "related content" capability.


The Huffington Post is using OpenCalais to reach new milestones in localization. “OpenCalais enables our editors to more efficiently locate related local stories,” says Paul Berry, CTO. “This helps the site meet an important strategic goal: cost-effectively producing regional microsites that ‘super-serve’ communities with the best local news, as we have done in Chicago.”  Read more about the work Paul is doing at The Huffington Post in this CNET article.


I *heart* Sea is a hyperlocal news aggregation site that collects some of the best blogs in Seattle, especially those serving the Capitol Hill area. I *heart* Sea uses OpenCalais to automatically tag the keywords of the blog posts in aggregates, to make it easier to find related information.


Interceder is a social media monitoring tool that makes it easy to track trending topics and search through the latest content from major news Web sites, blogs, Twitter and YouTube. Interceder uses the Daylife API, OpenCalais, Freebase, and Yahoo! Pipes to retrieve the latest news from major news websites.


Magus Ltd. Magus is the pioneering UK company behind ActiveStandards™: the market-leading SaaS platform for enterprise website governance used by Unilever, Shell, Philips, ING and more. ActiveStandards takes web content governance to a new level by enabling companies to coordinate the policies, processes and people that underpin their web presence within a single integrated framework, and monitor and manage compliance.

Magus uses OpenCalais to power ActiveStandards’ “Content Insight Reports” – a suite of powerful semantic reports which extend the reach of online governance by providing visibility and control over unstructured content.


Mail & Guardian Online is a South African newspaper that uses OpenCalais to categorize and tag stories, to improve search and navigation, and to drive SEO. It also uses the service to create an index of people mentioned in articles, and to present maps for key stories showing the locations referred to therein.

Information architect Matthew Buckland has written up his experience of using the OpenCalais API, Calais Tagaroo and other services to bring semantic intelligence to the daily’s site. He says: "It’s important to add semantic power to your content because it allows your servers to find, extract, share, and re-use the information. Tagging your content in the semantic sense will allow a computer to “know” that Tony Blair or George Bush in your article or post are in fact people, or that the United States of America is a country, and Africa a continent.”


MediaCloud, from the Harvard University Berkman Center for the Internet and Society: Berkman Fellow Ethan Zuckerman and Berkman Faculty Co-Director Yochai Benkler integrated OpenCalais into their ‘MediaCloud’ open research tool at, to make it easy for users to explore concepts in relation to the rest of the network of media sources.

“While daily newspapers struggle for survival, political, niche and special interest blogs continue to thrive,” says Yochai Benkler, Faculty Co-Director of the Berkman Center. “In the midst of this upheaval, it is difficult to know where stories begin, who sets the agenda, and how these dramatic changes impact news coverage on the whole.  We created Media Cloud to help researchers and the public get quantitative answers to these challenging questions.”


Media General. A publicly-owned communications company, Media General has interests in more than 35 newspapers, 15 television stations and a wide array of interactive media properties. Media General turned to OpenCalais when porting 60 of its content-rich sites - including The Tampa Tribune; the Winston-Salem Journal; and the Richmond Times-Dispatch – to a new CMS for superior Search Engine Optimization (SEO), improved content navigation and greater utilization of archived articles.

The company is using OpenCalais to tag video transcripts, blog and article content which allows them to dynamically create rich content links between all of media types.


Meltwater is a global leader in online media monitoring. With local presence in more than 40 offices across the world, they are the preferred choice for thousands of companies. Meltwater News delivers pinpointed information to businesses around the clock and helps these organizations track, share and analyze vital news about themselves, their industry, regulatory environment and competitors – the power to stay on top of the latest developments that affect their business on a day-to-day basis. Meltwater News uses OpenCalais to tag and categorize news and blog content.


Moreover is one of the original news feed aggregators on the Web, dating from the mid-1990s when it helped power many portal services. Today, the company provides a wide array of clients with ‘news and views’ in a comprehensive solution for business intelligence, mainstream and social media monitoring. The company aggregates, processes and delivers articles spanning 800 industries and special interest groups, 100-plus countries, and 50 languages. It uses OpenCalais to tag and categorize news and blog content as well as social media status updates.


Morris Communications A leading southeastern media company, Morris Communications has newspaper, magazine, outdoor advertising, radio, book publishing and online properties. Its digital arm, Morris DigitalWorks, turned to OpenCalais while digitizing the archives of its 13 daily newspapers, including the Augusta Chroniclethe Florida Times-Union; the Savannah Morning News; the noted local Journalism experiment Bluffton Today and more.


The New Republic The all new uses OpenPublish, an OpenCalais-enabled Drupal-powered Content Management System (CMS) to increase editorial productivity, improve search engine optimization, and drive reader engagement, including faceted search, recommended reading sidebars and – coming soon – automatically generated topic hubs. is the first of Northcliffe Media's (UK) local news sites to launch topic pages. Articles on the site now include inline links from key words, such as places, names and issues, to a web page gathering stories, relevant information and multimedia linked to that topic. The pages are created using OpenCalais and Nstein to analyze stories semantically and suggest subjects for topic pages.

"Once a topic is mentioned more than three times, a topic page is created for that topic and an email alerts the site publisher,” Robert Hardie, content strategy director at Northcliffe, told “They can then decide to unpublish the page if they don't want it; allow it to stand unenhanced or gather the extra images, video and static content for it.” The site started the enhancement process with the most popular topic pages.


OpenPublish based on the popular open source publishing platform Drupal, is a next-generation CMS that has been tailored to the needs of today's online publishers (magazines, newspapers, journals, trade publications, broadcast and wire services). Developed by Phase2 Technology, it uses semantic metatagging from OpenCalais to streamline content operations, automatically create topic hubs and recommend related articles and archived ‘more from this author’ stories.


Oracle has integrated the OpenCalais service into Oracle Database 11g Release 2 as part of the Semantic Technologies feature of Oracle Spatial. With the new integration, the OpenCalais web service can be called directly by Oracle's Semantic Technologies, an advanced semantic data management capability not found in any other commercial or open source database.

"Connecting the OpenCalais service - which has helped popularize semantic technologies in the developer community - with the Oracle Database is a compelling value proposition for our customers," said Xavier Lopez, Director, Spatial and Semantic Technologies, Oracle Server Technologies. "This interoperability lets users quickly process documents in different formats (such as Microsoft Word and Adobe PDF), to extract semantic metadata that can be used for more semantically complete searches in Oracle 11g."


Powerhouse Museum in Sydney, Australia is using OpenCalais to automatically generate tags for items in their extensive collection. For a quick example take a look at this description of a surveying instrument. The tags generated by OpenCalais are allowing curators and others to find connections within their collections that were previously invisible. Read their blog post for more detail, and see this ReadWriteWeb story on the project.


Prefix Technologies. Provider of South Africa’s most popular off- and online CMS, Prefix is a trusted Web-applications development company. Prefix solutions enable magazine, newspaper and online publishers to collect, store, share and monetize content in new ways that increase competitive advantage while improving efficiency and reducing costs.

Prefix uses OpenCalais as a processing layer for Preditor’s Semantic Tagging Engine. With a powerful tagging rules toolkit on a per-magazine basis, Preditor customers with multiple magazines on Preditor are able to draw content out of their archives and build smart links across a the network for their readers. In one case study, they’ve scanned through and linked over 10 years of archives.


Read It Later / Digest The new ‘Digest’ Application for Apple Computer’s iPad and the popular ‘Read it Later’ bookmarking service for Firefox and iPhone make it easy to save news stories, Web pages and more, and then retrieve them to read later on iPad, desktop or mobile with ease. Both Digest and Read it Later use OpenCalais to automatically categorize stories and quickly sort them into helpful folders for reading ease.


Slate Magazine's News Dots Network visualizes the most recent topics in the news as a concise network of related topics. Like a human social network, the news tends to cluster around popular topics, and most stories are more closely related than one might think. Behind the scenes, News Dots scans all the articles from major publications—about 500 a day—and submits them to OpenCalais to identify the relevant people, places, companies, topics, etc.


The Sunlight Foundation, a non-profit, nonpartisan organization, uses the power of the Internet to catalyze greater government openness and transparency, and provides new tools and resources for media and citizens, alike. They use OpenCalais in projects such as Poligraft, a great tool for journalists, researchers and concerned voters that allows anyone to uncover levels of influence in federal and state-level politics and the news coverage of it.


Tattler (app) is an open source topic monitoring tool for today's Web. Tattler finds and aggregates content from the Web on topics users ask it to monitor. Using OpenCalais and other Semantic Web technologies, Tattler mines news, websites, blogs, multimedia sites, and other social media like Twitter, to find mentions of the issues most relevant to users’ selected topics, making it easy for users to filter, organize, share, and take action on content gathered from the real-time Web.


Three Minute Media is a new Web video news network that features video interviews and in-depth analysis of business news from former Forbes reporter James Erik Abels. Three Minute Media uses OpenCalais to generate and select metatags for each story, improving search and navigation and powering the site’s ‘Related Stories’ feature.


Tufts University’s Visual Understanding Environment (VUE) uses OpenCalais to help power its flexible visual environment for structuring, presenting, and sharing digital information.


The University of Karlsruhe uses OpenCalais as a central component of its news event ontology to model business events. Read more here.


Ushahidi / SwiftRiver. Ushahidi, which means "testimony" in Swahili, is the leading platform for socially-powered, real-time global communications in times of crisis.  Any individual or organization can use Ushahidi to collect, communicate and visualize information.  Ushahidi's new, open source platform, called SwiftRiver, uses OpenCalais to identify key people, organizations, facts and events in such topics as ongoing political or ecological crises, and to reveal previously undetected connections among relevant people, places, companies and more.

"SwiftRiver's purpose is to allow organizations to filter through large real-time data sets from sources like Twitter, Email and RSS by applying various algorithms that determine accuracy,” said Jon Gosier, Director of SwiftRiver. “With OpenCalais we've added new features for inferring relationships between information sets that would otherwise appear to be unrelated.", LinkTV’s new global media online hub, funded by the Bill & Melinda Gates Foundation, features videos on the progress being made in reducing hunger, poverty, and disease in developing nations around the world. uses OpenCalais to surface related content for its video stories to give viewers insight, context and analysis on important developments on the full array of global change initiatives.

 "We are thrilled to be using OpenCalais to help us bring these essential stories to the world," said Hannah Eaves, LinkTV and Link Media Inc.  "We believe that automatically tying deep context and action opportunities to video stories about developing nations will open up many new roads to understanding and change."


Sound good?

Whether you are a publisher, curator, marketer or developer, OpenCalais can help you compete. OpenCalais makes it easy to improve your search and navigation, enhance the value of your content, increase your user engagement and extend your reach. Get started with our free service and open API today.

To discuss a license and service level agreement, please contact: Krista Thomas at partners (at) opencalais (dot) com.


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