-
Gull, C.D.: Alphabetic subject indexes and coordinate indexes : an experimental comparison (1953)
0.00
0.0015830325 = product of:
0.003166065 = sum of:
0.003166065 = product of:
0.009498195 = sum of:
0.009498195 = weight(_text_:s in 6220) [ClassicSimilarity], result of:
0.009498195 = score(doc=6220,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.19219826 = fieldWeight in 6220, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=6220)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- College and research libraries. 14(1953) no.3, S.276-281
-
Kreithen, A.; Gull, C.D.; Miller, E.E.: Klassifizierung nach dem System gleichwertiger Grundbegriffe (Uniterm) (1954)
0.00
0.0013851533 = product of:
0.0027703065 = sum of:
0.0027703065 = product of:
0.00831092 = sum of:
0.00831092 = weight(_text_:s in 688) [ClassicSimilarity], result of:
0.00831092 = score(doc=688,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.16817348 = fieldWeight in 688, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=688)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Nachrichten für Dokumentation. 5(1954) H.1, S.6-11
-
Taube, M.; Gull, C.D.; Wachtel, I.S.: Unit terms in coordinate indexing (1952)
0.00
0.0011872743 = product of:
0.0023745487 = sum of:
0.0023745487 = product of:
0.007123646 = sum of:
0.007123646 = weight(_text_:s in 3234) [ClassicSimilarity], result of:
0.007123646 = score(doc=3234,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.14414869 = fieldWeight in 3234, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=3234)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- American Documentation. 3(1953) no.4, S.213-218