Smith, N.; Anderson, M.; MacKeehan, N.: MEDLINE CD-ROM at Medical University of South Carolina Library : a comparative study of KnowledgeFinder, MiniMEDLINE, ABSCO and MEDLINE (1989)
0.02
0.01711895 = product of:
0.0342379 = sum of:
0.0342379 = product of:
0.10271369 = sum of:
0.10271369 = weight(_text_:n in 4059) [ClassicSimilarity], result of:
0.10271369 = score(doc=4059,freq=4.0), product of:
0.19057861 = queryWeight, product of:
4.3116565 = idf(docFreq=1611, maxDocs=44218)
0.044200785 = queryNorm
0.53895706 = fieldWeight in 4059, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.3116565 = idf(docFreq=1611, maxDocs=44218)
0.0625 = fieldNorm(doc=4059)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
