Vaughan, L.; Chen, Y.: Data mining from web search queries : a comparison of Google trends and Baidu index (2015)
0.01
0.012864447 = product of:
0.032161117 = sum of:
0.018106367 = product of:
0.036212735 = sum of:
0.036212735 = weight(_text_:l in 1605) [ClassicSimilarity], result of:
0.036212735 = score(doc=1605,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.2195706 = fieldWeight in 1605, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0390625 = fieldNorm(doc=1605)
0.5 = coord(1/2)
0.014054747 = product of:
0.028109495 = sum of:
0.028109495 = weight(_text_:22 in 1605) [ClassicSimilarity], result of:
0.028109495 = score(doc=1605,freq=2.0), product of:
0.14530581 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041494254 = queryNorm
0.19345059 = fieldWeight in 1605, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=1605)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.1, S.13-22
