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)
0.03
0.026279835 = product of:
0.05255967 = sum of:
0.05255967 = product of:
0.10511934 = sum of:
0.10511934 = weight(_text_:n in 4059) [ClassicSimilarity], result of:
0.10511934 = score(doc=4059,freq=4.0), product of:
0.19504215 = queryWeight, product of:
4.3116565 = idf(docFreq=1611, maxDocs=44218)
0.045236014 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)