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  1. Xu, Y.; Ryan, K.: Changing lanes on the information superhighway : academic libraries and the Internet (1995) 9.50 
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  2. Xu, Y.: Relevance judgment in epistemic and hedonic information searches (2007) 9.50 
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  3. Xu, Y.: ¬The dynamics of interactive information retrieval behavior : part I: an activity theory perspective (2007) 9.50 
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  4. Xu, Y.; Liu, C.: ¬The dynamics of interactive information retrieval : part II: an empirical study from the activity theory perspective (2007) 9.50 
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  5. Xu, Y.; Yin, H.: Novelty and topicality in interactive information retrieval (2008) 9.50 
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  6. Xu, Y.; Wang, D.: Order effect in relevance judgment : mediation and causality (2008) 9.50 
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  7. Xu, Y.; Bernard, A.: Knowledge organization through statistical computation : a new approach (2009) 9.50 
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  8. Xu, Y.; Li, G.; Mou, L.; Lu, Y.: Learning non-taxonomic relations on demand for ontology extension (2014) 9.50 
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