Search (2 results, page 1 of 1)
- Did you mean:
- rvk_ss%3a%2200 76400 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunft%2c information%22 2
- rvk_ss%3a%2200 73400 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunft%2c information%22 2
- rvk_ss%3a%2200 76400 allgemeinen %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunft%2c information%22 2
- rvk_ss%3a%2200 76400 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunfts%2c information%22 2
- rvk_ss%3a%2223 76400 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunft%2c information%22 2
-
MacCain, K.W.: Descriptor and citation retrieval in the medical behavioral sciences literature : retrieval overlaps and novelty distribution (1989)
0.00
1.9733087E-4 = product of: 0.002959963 = sum of: 0.002959963 = product of: 0.005919926 = sum of: 0.005919926 = weight(_text_:information in 2290) [ClassicSimilarity], result of: 0.005919926 = score(doc=2290,freq=2.0), product of: 0.050870337 = queryWeight, product of: 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.028978055 = queryNorm 0.116372846 = fieldWeight in 2290, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.046875 = fieldNorm(doc=2290) 0.5 = coord(1/2) 0.06666667 = coord(1/15)
- Source
- Journal of the American Society for Information Science. 40(1989), S.110-114
-
MacCain, K.W.; White, H.D.; Griffith, B.C.: Comparing retrieval performance in online data bases (1987)
0.00
1.6444239E-4 = product of: 0.0024666358 = sum of: 0.0024666358 = product of: 0.0049332716 = sum of: 0.0049332716 = weight(_text_:information in 1167) [ClassicSimilarity], result of: 0.0049332716 = score(doc=1167,freq=2.0), product of: 0.050870337 = queryWeight, product of: 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.028978055 = queryNorm 0.09697737 = fieldWeight in 1167, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.0390625 = fieldNorm(doc=1167) 0.5 = coord(1/2) 0.06666667 = coord(1/15)
- Source
- Information processing and management. 23(1987), S.539-553