-
Gratch, B.; Settel, B.; Atherton, P.: Characteristics of book indexes for subject retrieval in the humanities and social sciences (1978)
0.04
0.035309397 = product of:
0.07061879 = sum of:
0.025779642 = weight(_text_:for in 1061) [ClassicSimilarity], result of:
0.025779642 = score(doc=1061,freq=2.0), product of:
0.08876751 = queryWeight, product of:
1.8775425 = idf(docFreq=18385, maxDocs=44218)
0.047278564 = queryNorm
0.29041752 = fieldWeight in 1061, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.8775425 = idf(docFreq=18385, maxDocs=44218)
0.109375 = fieldNorm(doc=1061)
0.04483915 = product of:
0.0896783 = sum of:
0.0896783 = weight(_text_:22 in 1061) [ClassicSimilarity], result of:
0.0896783 = score(doc=1061,freq=2.0), product of:
0.16556148 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.047278564 = queryNorm
0.5416616 = fieldWeight in 1061, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=1061)
0.5 = coord(1/2)
0.5 = coord(2/4)
- Source
- Indexer. 11(1978), S.14-22
-
Garfield, E.: ¬The Permuterm Subject Index : an autobiographic review (1976)
0.01
0.0073656123 = product of:
0.02946245 = sum of:
0.02946245 = weight(_text_:for in 3299) [ClassicSimilarity], result of:
0.02946245 = score(doc=3299,freq=2.0), product of:
0.08876751 = queryWeight, product of:
1.8775425 = idf(docFreq=18385, maxDocs=44218)
0.047278564 = queryNorm
0.33190575 = fieldWeight in 3299, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.8775425 = idf(docFreq=18385, maxDocs=44218)
0.125 = fieldNorm(doc=3299)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science. 27(1976), S.88-291
-
Craven, T.C.: NEPHIS: a nested phrase indexing system (1977)
0.01
0.0064449105 = product of:
0.025779642 = sum of:
0.025779642 = weight(_text_:for in 1333) [ClassicSimilarity], result of:
0.025779642 = score(doc=1333,freq=2.0), product of:
0.08876751 = queryWeight, product of:
1.8775425 = idf(docFreq=18385, maxDocs=44218)
0.047278564 = queryNorm
0.29041752 = fieldWeight in 1333, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.8775425 = idf(docFreq=18385, maxDocs=44218)
0.109375 = fieldNorm(doc=1333)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science. 28(1977), S.107-114