Information industry directory : a comprehensive international descriptive guide to ... organizations, systems, and services involved in the production an distribution of information in electronic form (1992)
0.00
4.700756E-4 = product of:
0.0018803024 = sum of:
0.0018803024 = product of:
0.005640907 = sum of:
0.005640907 = weight(_text_:a in 819) [ClassicSimilarity], result of:
0.005640907 = score(doc=819,freq=2.0), product of:
0.055348642 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.04800207 = queryNorm
0.10191591 = fieldWeight in 819, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.0625 = fieldNorm(doc=819)
0.33333334 = coord(1/3)
0.25 = coord(1/4)