Lian, T.; Yu, C.; Wang, W.; Yuan, Q.; Hou, Z.: Doctoral dissertations on tourism in China : a co-word analysis (2016)
0.02
0.01950302 = product of:
0.03900604 = sum of:
0.03900604 = product of:
0.07801208 = sum of:
0.07801208 = weight(_text_:z in 3178) [ClassicSimilarity], result of:
0.07801208 = score(doc=3178,freq=2.0), product of:
0.26458436 = queryWeight, product of:
5.337313 = idf(docFreq=577, maxDocs=44218)
0.049572576 = queryNorm
0.29484767 = fieldWeight in 3178, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.337313 = idf(docFreq=577, maxDocs=44218)
0.0390625 = fieldNorm(doc=3178)
0.5 = coord(1/2)
0.5 = coord(1/2)