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Dominich, S.: Mathematical foundations of information retrieval (2001)
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Gossen, T.: Search engines for children : search user interfaces and information-seeking behaviour (2016)
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Semantic keyword-based search on structured data sources : COST Action IC1302. Second International KEYSTONE Conference, IKC 2016, Cluj-Napoca, Romania, September 8-9, 2016, Revised Selected Papers (2017)
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