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With the demand of bilingual dictionaries covering domain-specific terminology, research in the field of automatic dictionary extraction has become popular. However, accuracy and coverage of dictionaries created based on bilingual text corpora are often not sufficient for domain-specific terms. Therefore, we present an approach to extracting bilingual dictionaries from the link structure of Wikipedia, a huge scale encyclopedia that contains a vast amount of links between articles in different languages. Our methods analyze not only these interlanguage links but extract even more translation candidates from redirect page and link text information. In an experiment, we proved the advantages of our methods compared to a traditional approach of extracting bilingual terminology from parallel corpora.