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Liu, S.; Chen, C.: ¬The differences between latent topics in abstracts and citation contexts of citing papers (2013)
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Liu, S.: Online classification notation : proposal for a flexible faceted notation system (FFNS) (1990)
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Svenonius, E.; Liu, S.; Subrahmanyam, B.: Automation of chain indexing (1992)
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Wu, S.; Liu, S.; Wang, Y.; Timmons, T.; Uppili, H.; Bedrick, S.; Hersh, W.; Liu, H,: Intrainstitutional EHR collections for patient-level information retrieval (2017)
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Liu, S.: Decomposing DDC synthesized numbers (1997)
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