Farradane, J.: Concept organization for information retrieval (1967)
0.01
0.008019786 = product of:
0.032079145 = sum of:
0.032079145 = weight(_text_:information in 35) [ClassicSimilarity], result of:
0.032079145 = score(doc=35,freq=4.0), product of:
0.083537094 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047586527 = queryNorm
0.3840108 = fieldWeight in 35, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.109375 = fieldNorm(doc=35)
0.25 = coord(1/4)
- Source
- Information storage and retrieval. 3(1967) S.297-314