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classification_ss:"81.68 / Computereinsatz in Unterricht und Ausbildung"
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classification_ss:"LB1028.5.S696 2006"
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language_ss:"e"
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Stahl, G.: Group cognition : computer support for building collaborative knowledge (2006)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm