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- author's%3a%22Pollard%2c R.%22 2
- authors%3a%22Pollard%2c R.%22 2
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Vaughan, L.; Chen, Y.: Data mining from web search queries : a comparison of Google trends and Baidu index (2015)
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- Journal of the Association for Information Science and Technology. 66(2015) no.1, S.13-22
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Vaughan, L.; Yang, R.: Web data as academic and business quality estimates : a comparison of three data sources (2012)
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