2018
DOI: 10.1016/j.techfore.2018.05.012
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Scientific research driven by large-scale infrastructure projects: A case study of the Three Gorges Project in China

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Cited by 26 publications
(9 citation statements)
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“…It can be seen that 14 and 15 topics achieved higher semantic coherence and exclusivity values, which indicated that more potential terms within the topic occurred in the same document and more terms were exclusively affiliated with the single topic. Two domain experts independently compared models with different numbers of topics by inspecting the representative terms and articles (Jiang et al, 2018 ), and finally a 15-topic model was identified for the qualitative evaluation as this number of topics was found to have the greatest semantic consistency within the topics and exclusivity between the topics. Based on the estimated article-topic and topic-term distributions, the probability of an article or term belonging to a topic was determined, with the most representative articles and terms in a single topic receiving the highest assignment probabilities.…”
Section: Resultsmentioning
confidence: 99%
“…It can be seen that 14 and 15 topics achieved higher semantic coherence and exclusivity values, which indicated that more potential terms within the topic occurred in the same document and more terms were exclusively affiliated with the single topic. Two domain experts independently compared models with different numbers of topics by inspecting the representative terms and articles (Jiang et al, 2018 ), and finally a 15-topic model was identified for the qualitative evaluation as this number of topics was found to have the greatest semantic consistency within the topics and exclusivity between the topics. Based on the estimated article-topic and topic-term distributions, the probability of an article or term belonging to a topic was determined, with the most representative articles and terms in a single topic receiving the highest assignment probabilities.…”
Section: Resultsmentioning
confidence: 99%
“…Data filtering was conducted to ensure not only a close alignment of the data to the research goal, but also the efficiency and reliability of the analysis. Considering that the abstract of a paper usually specifies its research object, key problems and results, following [20], we included the abstracts of the collected papers as the primary materials for text mining. Thus, papers without abstracts (usually book chapters or short reports) were excluded.…”
Section: Data Preparationmentioning
confidence: 99%
“…The impacts of TGD have been discussed since the 1950s, among which the impact on hydrological regimes in the downstream has always been one of the most controversial issues [43,44]. Consequently, the Chinese government has been very cautious from the beginning, as were many scientists involved, as to the assessment of potential impacts of the TGP on climate, ecology, and environment.…”
Section: Discussionmentioning
confidence: 99%