Raban, D.R.; Ronen, I.; Guy, I.: Acting or reacting? : Preferential attachment in a people-tagging system (2011)
0.02
0.015150423 = product of:
0.030300846 = sum of:
0.030300846 = product of:
0.060601693 = sum of:
0.060601693 = weight(_text_:i in 4371) [ClassicSimilarity], result of:
0.060601693 = score(doc=4371,freq=4.0), product of:
0.17138503 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.045439374 = queryNorm
0.35359967 = fieldWeight in 4371, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.046875 = fieldNorm(doc=4371)
0.5 = coord(1/2)
0.5 = coord(1/2)