Bar-Ilan, J.; Peritz, B.C.: Evolution, continuity, and disappearance of documents on a specific topic an the Web : a longitudinal study of "informetrics" (2004)
0.03
0.027907882 = product of:
0.055815764 = sum of:
0.055815764 = product of:
0.11163153 = sum of:
0.11163153 = weight(_text_:2004 in 2886) [ClassicSimilarity], result of:
0.11163153 = score(doc=2886,freq=5.0), product of:
0.21705271 = queryWeight, product of:
4.2057996 = idf(docFreq=1791, maxDocs=44218)
0.051607955 = queryNorm
0.51430607 = fieldWeight in 2886, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
4.2057996 = idf(docFreq=1791, maxDocs=44218)
0.0546875 = fieldNorm(doc=2886)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 55(2004) no.11, S.980-990
- Year
- 2004
