-
Aitchison, T.M.: Comparative evaluation of index languages : Part I, Design. Part II, Results (1969)
0.02
0.024996921 = product of:
0.049993843 = sum of:
0.049993843 = product of:
0.099987686 = sum of:
0.099987686 = weight(_text_:i in 561) [ClassicSimilarity], result of:
0.099987686 = score(doc=561,freq=2.0), product of:
0.17138503 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.045439374 = queryNorm
0.58340967 = fieldWeight in 561, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=561)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Robertson, S.E.: ¬The parametric description of retrieval tests : Part I: The basic parameters (1969)
0.01
0.012498461 = product of:
0.024996921 = sum of:
0.024996921 = product of:
0.049993843 = sum of:
0.049993843 = weight(_text_:i in 4155) [ClassicSimilarity], result of:
0.049993843 = score(doc=4155,freq=2.0), product of:
0.17138503 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.045439374 = queryNorm
0.29170483 = fieldWeight in 4155, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.0546875 = fieldNorm(doc=4155)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966)
0.01
0.010773714 = product of:
0.021547427 = sum of:
0.021547427 = product of:
0.043094855 = sum of:
0.043094855 = weight(_text_:22 in 2718) [ClassicSimilarity], result of:
0.043094855 = score(doc=2718,freq=2.0), product of:
0.15912095 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045439374 = queryNorm
0.2708308 = fieldWeight in 2718, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=2718)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of documentation. 22(1966), S.203-209