Archive for the ‘Uncategorized’ Category

Open Calais PermID and DBPedia IDs

I have been asked by one of our users what is the relationship between PermID and DBpedia IDs. The answer is – there is no one to one mapping that we provide. However I proposed the following options: The metadata types called SocialTags are links to Wikipedia. So you can take a SocialTag and use […]

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The Python Library for the CalaisModel Abstraction Layer is Available!

The CalaisModel Abstraction Layer package now includes a Python library, in addition to the Java and .NET libraries. The CalaisModel Abstraction Layer provides a client API that maps RDF/XML entities to Java objects. The package includes the CalaisModelCreator, a tool used to automatically generate an instance of the CalaisModel, populated with your data. This instance […]

Develop a New Drupal Module, Get a Basic Package for FREE for One Year

As you know, there are several third-party solutions which leverage Calais and make its capabilities even better. A Drupal module, which integrates the powers of the Calais Web Service with Drupal, is one of them. This solution integrates the semantic meta-tagging of content through Calais. Unfortunately, with the introduction of our new and improved API […]

Introducing the Tagaroo Plugin

Tagaroo is a WordPress plugin gives you an integration between your WordPress blog and the Calais web service. It leverages the Calais web service to fetch semantic data and return that data as suggested tags. We think it is a great way for bloggers to leverage Calais and we invite you to give it a […]


This is a reminder that the legacy Open Calais API will be retired tomorrow, September 30, 2015 in favor of a new and improved service. The new and improved service offers many advantages, such as enhanced through-put and metadata capabilities. The new service is not fully backward compatible with the legacy Open Calais and will […]

Important Reminder of our Terms of Service

Per our terms of service, all free users are limited to only one API token per user or company. If you are using more than one API token, please take the necessary steps to consolidate your workflows to leverage only one token. Since using more than one API token is a violation of our terms […]

Open Calais Logo Attribution

Per our terms of service for Open Calais, you agree to display the Open Calais logo on your homepage with a link embedded in it which points back to If you have not already done so, please visit our Logos page to download a logo of your choice (we have them in a variety […]