Park, J.-r.; Li, G.; Burger, A.: Opening and closing rituals of the virtual reference service of the Internet Public Library (2010)
0.00
0.0043215635 = product of:
0.008643127 = sum of:
0.008643127 = product of:
0.017286254 = sum of:
0.017286254 = weight(_text_:r in 4153) [ClassicSimilarity], result of:
0.017286254 = score(doc=4153,freq=2.0), product of:
0.11816095 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.035695385 = queryNorm
0.14629413 = fieldWeight in 4153, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.03125 = fieldNorm(doc=4153)
0.5 = coord(1/2)
0.5 = coord(1/2)