Egghe, L.: Sampling and concentration values of incomplete bibliographies (2002)
0.01
0.0062671797 = product of:
0.025068719 = sum of:
0.025068719 = weight(_text_:science in 450) [ClassicSimilarity], result of:
0.025068719 = score(doc=450,freq=2.0), product of:
0.12305341 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0467152 = queryNorm
0.20372227 = fieldWeight in 450, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0546875 = fieldNorm(doc=450)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and technology. 53(2002) no.4, S.271-281
