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Murdock, V.; Kelly, D.; Croft, W.B.; Belkin, N.J.; Yuan, X.: Identifying and improving retrieval for procedural questions (2007)
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Yuan, X.; Belkin, N.J.: Evaluating an integrated system supporting multiple information-seeking strategies (2010)
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Yuan, X.; Belkin, N.J.: Investigating information retrieval support techniques for different information-seeking strategies (2010)
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