Page 121 - JOURNAL OF LIBRARY SCIENCE IN CHINA 2015 Vol. 41
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120 Journal of Library Science in China, Vol. 7, 2015
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Figure 5. Fragment of the knowledge map.
Figure 5 is a fragment of the knowledge map. When browsing the knowledge object “The Third
Plenary Session of Eleventh Central Committee of the Communist Party of China”, we can see
one of its attendees “Deng Xiaoping”. If we click on the node of “Deng Xiaoping”, we can get the
facts about “Deng Xiaoping” including that “Deng Xiaoping” proposed the concept “one country,
two systems”. If we continue to click on the node of “one country, two systems”, we obtain that
it was proposed on “February 22, 1984”. If we right-click on the edge between “one country,
two systems” and “February 22, 1984”, we can view its source text item and get its context “On
February 22, 1984, when Deng Xiaoping explicitly proposed the concept ‘one China, two systems’
while he met the guests of the United States. On May 15 of the same year, the report on the work
of the government which was passed at the second session of the sixth National People’s Congress
determined ‘one country, two systems’ to be the basic principle of national reunification”.
Similarly, if we click on “The Government Work Report (1984)”, its details are displayed in the
map. Thus knowledge map navigation and browsing can be completed in this way.
3.2 Relevance analysis on knowledge object
By means of the knowledge network, relevance analysis can be used to discover potential
knowledge between knowledge objects with graph traversal algorithm. For example, if searching
the association between “Mao Zedong” and “The Third Plenary Session of Eleventh Central
Committee of the Communist Party of China” with path length not more than 3, we can get the
