-
Allan, J.; Ballesteros, L.; Callan, J.P.; Croft, W.B.; Lu, Z.: Recent experiment with INQUERY (1996)
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Liu, W.; Dog(an, R.I.; Kim, S.; Comeau, D.C.; Kim, W.; Yeganova, L.; Lu, Z.; Wilbur, W.J.: Author name disambiguation for PubMed (2014)
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Zhang, J.; Yu, Q.; Zheng, F.; Long, C.; Lu, Z.; Duan, Z.: Comparing keywords plus of WOS and author keywords : a case study of patient adherence research (2016)
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Lu, Z.; McKinley, K.S.: ¬The effect of collection organization and query locality on information retrieval system performance (2000)
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