-
Lancaster, F.W.; Fayen, E.G.: Information retrieval on-line (1973)
0.02
0.020505704 = product of:
0.061517112 = sum of:
0.061517112 = weight(_text_:m in 2260) [ClassicSimilarity], result of:
0.061517112 = score(doc=2260,freq=2.0), product of:
0.11187479 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.044957645 = queryNorm
0.54987466 = fieldWeight in 2260, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.15625 = fieldNorm(doc=2260)
0.33333334 = coord(1/3)
- Type
- m
-
Lancaster, F.W.: Toward paperless information systems (1978)
0.02
0.020505704 = product of:
0.061517112 = sum of:
0.061517112 = weight(_text_:m in 3356) [ClassicSimilarity], result of:
0.061517112 = score(doc=3356,freq=2.0), product of:
0.11187479 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.044957645 = queryNorm
0.54987466 = fieldWeight in 3356, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.15625 = fieldNorm(doc=3356)
0.33333334 = coord(1/3)
- Type
- m
-
Lancaster, F.W.: Information retrieval systems : characteristics, testing and evaluation (1979)
0.02
0.016404564 = product of:
0.04921369 = sum of:
0.04921369 = weight(_text_:m in 7270) [ClassicSimilarity], result of:
0.04921369 = score(doc=7270,freq=2.0), product of:
0.11187479 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.044957645 = queryNorm
0.4398997 = fieldWeight in 7270, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.125 = fieldNorm(doc=7270)
0.33333334 = coord(1/3)
- Type
- m