DeHart, F.E.; Matthews, K.: Subject enhancements and OPACs : planning ahead (1990)
0.01
0.006945974 = product of:
0.027783897 = sum of:
0.027783897 = product of:
0.055567794 = sum of:
0.055567794 = weight(_text_:services in 4654) [ClassicSimilarity], result of:
0.055567794 = score(doc=4654,freq=2.0), product of:
0.1712379 = queryWeight, product of:
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.04664141 = queryNorm
0.3245064 = fieldWeight in 4654, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.0625 = fieldNorm(doc=4654)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Technical services quarterly. 7(1990), S.35-52