The extraction of data from unstructured or semi-structured web sources has been recognized as a suitable way of populating the data web. Since many pages already use embedded structured data, e.g., as RDFa, Microformats, or Microdata, this information can be used to bootstrap and trainsupervised systems extracting structured data from the web. In this challenge, we want to compare systems using such annotated pages for extracting information from the web.
The challenge will be held at the Linked Data for Information Extraction (LD4IE) workshop 2014, co-located with the International Semantic Web Conference. The authors of the best performing system are awarded a 250 € book voucher, kindly sponsored by Springer.
For detail information, refer to http://data.dws.informatik.uni-mannheim.de/LD4IE/
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