This article presents a feasibility study for retrieving Wikipedia articles matching patents' topics. The long term motivation behind it is to facilitate patent search by enriching patent indexing with relevant keywords found in external (terminological) resources, with their monolingual synonyms and multilingual translations. The similarity between patents and Wikipedia articles is measured using various filtering techniques and patent document sections. The most similar Wikipedia articles happen to be the closest ones to the respective patent in 33% of the cases, otherwise they are within the top 12 ranked articles.
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