The KrdWrd Project ran from 2008 to 2011. The mission statement was
Provide tools and infrastructure for acquisition, visual annotation, merging and storage of web pages as parts of bigger corpora.
Develop a classification engine that learns to automatically annotate pages, and provide visual tools for inspection of results.
Basically, it was an infrastructure for research into web page cleaning. A good overview can be found in the paper and an extensive description in the master's thesis (both, see further down).
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The annotation guidelines and the Firefox add-on manual are still available online and as pdf file.
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The CANOLA Corpus
The system consisted of
- Firefox Add-on for interactive visual annotation and retrieval of tagging results
- XULRunner application for batch processing of web pages
- Web Proxy and additional server-side infrastructure for providing access to corpora and storing annotation results
- Server-side Machine Learning infrastructure for experiments with cleaning models
This is the Firefox Add-on.