-
Lancaster, F.W.: Vocabulary control for information retrieval (1986)
0.05
0.046324927 = product of:
0.092649855 = sum of:
0.092649855 = sum of:
0.04321946 = weight(_text_:u in 217) [ClassicSimilarity], result of:
0.04321946 = score(doc=217,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.28942272 = fieldWeight in 217, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0625 = fieldNorm(doc=217)
0.049430396 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
0.049430396 = score(doc=217,freq=2.0), product of:
0.1596997 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045604642 = queryNorm
0.30952093 = fieldWeight in 217, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=217)
0.5 = coord(1/2)
- Date
- 22. 4.2007 10:07:51
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
-
Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961)
0.02
0.016207296 = product of:
0.032414593 = sum of:
0.032414593 = product of:
0.064829186 = sum of:
0.064829186 = weight(_text_:u in 1931) [ClassicSimilarity], result of:
0.064829186 = score(doc=1931,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.43413407 = fieldWeight in 1931, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.09375 = fieldNorm(doc=1931)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.223-246.
-
Lancaster, F.W.; Warner, A.J.: Information retrieval today (1993)
0.01
0.013506081 = product of:
0.027012162 = sum of:
0.027012162 = product of:
0.054024324 = sum of:
0.054024324 = weight(_text_:u in 4607) [ClassicSimilarity], result of:
0.054024324 = score(doc=4607,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.3617784 = fieldWeight in 4607, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.078125 = fieldNorm(doc=4607)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
-
Lancaster, F.W.: Evaluation in the context of the digital library (1996)
0.01
0.010804865 = product of:
0.02160973 = sum of:
0.02160973 = product of:
0.04321946 = sum of:
0.04321946 = weight(_text_:u in 7886) [ClassicSimilarity], result of:
0.04321946 = score(doc=7886,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.28942272 = fieldWeight in 7886, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0625 = fieldNorm(doc=7886)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Towards a worldwide library: a ten year forecast. Proceedings of the 19th International Essen Symposium, 23-26 Sept 1996. Ed.: A.H. Helal u. J.W. Weiss
-
Lancaster, F.W.: Indexing and abstracting in theory and practice (1991)
0.01
0.009454256 = product of:
0.018908512 = sum of:
0.018908512 = product of:
0.037817024 = sum of:
0.037817024 = weight(_text_:u in 752) [ClassicSimilarity], result of:
0.037817024 = score(doc=752,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.25324488 = fieldWeight in 752, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0546875 = fieldNorm(doc=752)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
-
Lancaster, F.W.: Indexing and abstracting in theory and practice (1998)
0.01
0.008103648 = product of:
0.016207296 = sum of:
0.016207296 = product of:
0.032414593 = sum of:
0.032414593 = weight(_text_:u in 4141) [ClassicSimilarity], result of:
0.032414593 = score(doc=4141,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.21706703 = fieldWeight in 4141, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=4141)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
-
Lancaster, F.W.: Indexing and abstracting in theory and practice (2003)
0.01
0.008103648 = product of:
0.016207296 = sum of:
0.016207296 = product of:
0.032414593 = sum of:
0.032414593 = weight(_text_:u in 4913) [ClassicSimilarity], result of:
0.032414593 = score(doc=4913,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.21706703 = fieldWeight in 4913, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=4913)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
