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Welcome to WebLicht!

WebLicht is an execution environment for automatic annotation of text corpora. Linguistic tools such as tokenizers, part of speech taggers, and parsers are encapsulated as web services, which can be combined by the user into custom processing chains. The resulting annotations can then be visualized in an appropriate way, such as in a table or tree format.

Many of the tools incorporated into WebLicht have existed as command-line or desktop tools for many years and are well know within the linguistic community. Others have been developed specifically for use with WebLicht. By making these tools available on the web and by use of a common data format for storing the annotations, WebLicht provides a way to combine them into processing chains.

It is often the case that a tool relies on one or more annotation layers to exist in the input data before it can begin processing. WebLicht assists the user in building a processing chain by determining which tools are able to operate on the data at any given point and offering only those tools as options to add to the chain.

Development of WebLicht started in October 2008 as part of the D-SPIN project, the predecessor project of CLARIN-D. Further development and enhancement of WebLicht is an important goal of CLARIN-D, aiming to make WebLicht a fully-functional virtual research environment.


Tools and processing tasks are described in more detail in the User Manual under Tools in Detail.

Try It Out!

If you have an account in the CLARIN Service Provider Federation (for example a DFN-AAI account, provided by many universities and institutions), you can login directly to WebLicht.

The user interface has been upgraded to include more help and documentation, and also includes a new "Easy Mode" which offers predefined chains for all of the most widely used annotations.

Currently "Easy Mode" is available for German text only, but other languages will be added soon.

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If you need help logging in, see the FAQ entry How do I log in to WebLicht?