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Wu, I.-C.; Liu, D.-R.; Chang, P.-C.: Learning dynamic information needs : a collaborative topic variation inspection approach (2009)
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Wu, I.-C.; Vakkari, P.: Effects of subject-oriented visualization tools on search by novices and intermediates (2018)
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Wu, I.-C.; Vakkari, P.: Supporting navigation in Wikipedia by information visualization : extended evaluation measures (2014)
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