Franceschini, F.; Maisano, D.; Mastrogiacomo, L.: ¬A novel approach for estimating the omitted-citation rate of bibliometric databases with an application to the field of bibliometrics (2013)
0.01
0.01140701 = product of:
0.02281402 = sum of:
0.02281402 = product of:
0.04562804 = sum of:
0.04562804 = weight(_text_:f in 1097) [ClassicSimilarity], result of:
0.04562804 = score(doc=1097,freq=2.0), product of:
0.20722532 = queryWeight, product of:
3.985786 = idf(docFreq=2232, maxDocs=44218)
0.051991083 = queryNorm
0.22018565 = fieldWeight in 1097, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.985786 = idf(docFreq=2232, maxDocs=44218)
0.0390625 = fieldNorm(doc=1097)
0.5 = coord(1/2)
0.5 = coord(1/2)