CLEF-IP is an evaluation campaign organised as a Lab of the CLEF
conference. It evaluates information retrieval for tasks in the
intellectual property domain. Four new tasks have been developed for
2012, and participants can choose to participate in one or more tasks.
In 2012, one of the tasks involves the interpretation of images of
flowcharts in patents. Participants in this task will be asked to
extract the information in these images and return it in a predefined
For more information and to register to participate, see:
Other tasks are:
* Passage retrieval starting from patent claims (patentability or
novelty search): The topics in this task will be based on the claims in
patent application documents. Given a claim, the participants will be
asked to retrieve relevant documents in the collection and (optionally)
mark out the relevant passages in these documents.
* Matching a patent claim to the description in a single document
(Pilot): Given one claim in a patent application document, the
participants will be asked to indicate those paragraphs in the
description section of the same application document that best explain
the contents of the given claim.
* Chemical Structure Recognition Task. The topics in this fourth task
will be patent pages in TIFF format. Participants will be asked to
identify the location of the chemical structures depicted on these pages
and, for each of them, return the corresponding structure in a MOL file
(a chemical structure file format).
Dr. Allan Hanbury
Institute for Software Technology and Interactive Systems
Vienna University of Technology
Phone: +43 1 58801 188310
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