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Turtle, H.; Penniman, W.D.; Hickey, T.: Data entry / display devices for interactive information retrieval (1981)
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Turtle, H.; Croft, W.B.: Inference networks for document retrieval (1990)
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Turtle, H.; Flood, J.: Query evaluation : strategies and optimizations (1995)
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Liu, X.; Turtle, H.: Real-time user interest modeling for real-time ranking (2013)
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