In this paper we present our work on bilingual subjectbased information retrieval in a real world digital library, called NECLIB2, which complements a classic open shelf library that includes around 50,000 materials (many of them being very rare) that are books and ebooks, periodicals, audio and video CDs and DVDs, video tapes, scanned microfiche etc., and more than 18,000 items are audio recordings with classical music (in course of digitization).
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