-
Fugmann, R.: On the role of subjectivity in establishing, using, operating and evaluating information retrieval systems : treatise 2 on information retrieval theory (1973)
0.29
0.28935266 = product of:
0.38580355 = sum of:
0.22790176 = weight(_text_:storage in 1673) [ClassicSimilarity], result of:
0.22790176 = score(doc=1673,freq=2.0), product of:
0.2704022 = queryWeight, product of:
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.049625605 = queryNorm
0.8428251 = fieldWeight in 1673, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.109375 = fieldNorm(doc=1673)
0.121653855 = weight(_text_:retrieval in 1673) [ClassicSimilarity], result of:
0.121653855 = score(doc=1673,freq=6.0), product of:
0.15011324 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.049625605 = queryNorm
0.8104139 = fieldWeight in 1673, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.109375 = fieldNorm(doc=1673)
0.03624793 = product of:
0.07249586 = sum of:
0.07249586 = weight(_text_:systems in 1673) [ClassicSimilarity], result of:
0.07249586 = score(doc=1673,freq=2.0), product of:
0.15250812 = queryWeight, product of:
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.049625605 = queryNorm
0.47535738 = fieldWeight in 1673, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.109375 = fieldNorm(doc=1673)
0.5 = coord(1/2)
0.75 = coord(3/4)
- Source
- Information storage and retrieval. 9(1973), S.353-372
-
Fugmann, R.; Kusemann, G.; Winter, H.J.: ¬The supply of information an chemical reactions in the IDC system (1979)
0.15
0.14906932 = product of:
0.29813865 = sum of:
0.22790176 = weight(_text_:storage in 1648) [ClassicSimilarity], result of:
0.22790176 = score(doc=1648,freq=2.0), product of:
0.2704022 = queryWeight, product of:
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.049625605 = queryNorm
0.8428251 = fieldWeight in 1648, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.109375 = fieldNorm(doc=1648)
0.070236884 = weight(_text_:retrieval in 1648) [ClassicSimilarity], result of:
0.070236884 = score(doc=1648,freq=2.0), product of:
0.15011324 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.049625605 = queryNorm
0.46789268 = fieldWeight in 1648, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.109375 = fieldNorm(doc=1648)
0.5 = coord(2/4)
- Source
- Information storage and retrieval. 15(1979), S.303-323
-
Fugmann, R.: Subject analysis and indexing : theoretical foundation and practical advice (1993)
0.13
0.12539497 = product of:
0.1671933 = sum of:
0.11395088 = weight(_text_:storage in 8756) [ClassicSimilarity], result of:
0.11395088 = score(doc=8756,freq=2.0), product of:
0.2704022 = queryWeight, product of:
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.049625605 = queryNorm
0.42141256 = fieldWeight in 8756, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.0546875 = fieldNorm(doc=8756)
0.035118442 = weight(_text_:retrieval in 8756) [ClassicSimilarity], result of:
0.035118442 = score(doc=8756,freq=2.0), product of:
0.15011324 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.049625605 = queryNorm
0.23394634 = fieldWeight in 8756, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0546875 = fieldNorm(doc=8756)
0.018123966 = product of:
0.03624793 = sum of:
0.03624793 = weight(_text_:systems in 8756) [ClassicSimilarity], result of:
0.03624793 = score(doc=8756,freq=2.0), product of:
0.15250812 = queryWeight, product of:
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.049625605 = queryNorm
0.23767869 = fieldWeight in 8756, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.0546875 = fieldNorm(doc=8756)
0.5 = coord(1/2)
0.75 = coord(3/4)
- Content
- Enthält folgende Kapitel: Information and information systems; Information system survival power; Theoretical considerations on information storage and retrieval; Indexing (representation of the essence of documents; extractive, assignment, consistent indexing, indexing and abstracting, book indexing, index language vocabulary, syntax, concept analysis, evaluation of indexing quality); Technology of information supply; Glossary of terms used; Systematic and 'basic index'