Smiraglia, R.P.; Cai, X.: Tracking the evolution of clustering, machine learning, automatic indexing and automatic classification in knowledge organization (2017)
0.01
0.013414393 = product of:
0.026828786 = sum of:
0.026828786 = product of:
0.053657573 = sum of:
0.053657573 = weight(_text_:x in 3627) [ClassicSimilarity], result of:
0.053657573 = score(doc=3627,freq=2.0), product of:
0.23002104 = queryWeight, product of:
4.2226825 = idf(docFreq=1761, maxDocs=44218)
0.05447273 = queryNorm
0.23327245 = fieldWeight in 3627, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.2226825 = idf(docFreq=1761, maxDocs=44218)
0.0390625 = fieldNorm(doc=3627)
0.5 = coord(1/2)
0.5 = coord(1/2)