-
Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961)
0.06
0.05576241 = product of:
0.11152482 = sum of:
0.0090247495 = weight(_text_:e in 1931) [ClassicSimilarity], result of:
0.0090247495 = score(doc=1931,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.19057012 = fieldWeight in 1931, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.09375 = fieldNorm(doc=1931)
0.046835296 = weight(_text_:u in 1931) [ClassicSimilarity], result of:
0.046835296 = score(doc=1931,freq=2.0), product of:
0.107882105 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03294669 = 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)
0.055664778 = weight(_text_:k in 1931) [ClassicSimilarity], result of:
0.055664778 = score(doc=1931,freq=2.0), product of:
0.11761237 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.03294669 = queryNorm
0.47329018 = fieldWeight in 1931, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.09375 = fieldNorm(doc=1931)
0.5 = coord(3/6)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.223-246.
- Language
- e
-
Lancaster, F.W.: Evaluation within the environment of an operating information service (1981)
0.03
0.02515704 = product of:
0.07547112 = sum of:
0.010528875 = weight(_text_:e in 3150) [ClassicSimilarity], result of:
0.010528875 = score(doc=3150,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2223318 = fieldWeight in 3150, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=3150)
0.06494224 = weight(_text_:k in 3150) [ClassicSimilarity], result of:
0.06494224 = score(doc=3150,freq=2.0), product of:
0.11761237 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.03294669 = queryNorm
0.5521719 = fieldWeight in 3150, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.109375 = fieldNorm(doc=3150)
0.33333334 = coord(2/6)
- Language
- e
- Source
- Information retrieval experiment. Ed.: K. Sparck Jones
-
Lancaster, F.W.: Vocabulary control for information retrieval (1986)
0.02
0.02457178 = product of:
0.04914356 = sum of:
0.0060165 = weight(_text_:e in 217) [ClassicSimilarity], result of:
0.0060165 = score(doc=217,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.12704675 = fieldWeight in 217, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0625 = fieldNorm(doc=217)
0.031223532 = weight(_text_:u in 217) [ClassicSimilarity], result of:
0.031223532 = score(doc=217,freq=2.0), product of:
0.107882105 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03294669 = 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)
0.011903526 = product of:
0.035710577 = sum of:
0.035710577 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
0.035710577 = score(doc=217,freq=2.0), product of:
0.1153737 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03294669 = 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)
0.33333334 = coord(1/3)
0.5 = coord(3/6)
- Date
- 22. 4.2007 10:07:51
- Language
- e
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
-
Lancaster, F.W.; Warner, A.J.: Information retrieval today (1993)
0.02
0.01551668 = product of:
0.04655004 = sum of:
0.007520625 = weight(_text_:e in 4607) [ClassicSimilarity], result of:
0.007520625 = score(doc=4607,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.15880844 = fieldWeight in 4607, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.078125 = fieldNorm(doc=4607)
0.039029416 = weight(_text_:u in 4607) [ClassicSimilarity], result of:
0.039029416 = score(doc=4607,freq=2.0), product of:
0.107882105 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03294669 = 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)
0.33333334 = coord(2/6)
- Language
- e
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
-
Lancaster, F.W.: Evaluation in the context of the digital library (1996)
0.01
0.012413344 = product of:
0.037240032 = sum of:
0.0060165 = weight(_text_:e in 7886) [ClassicSimilarity], result of:
0.0060165 = score(doc=7886,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.12704675 = fieldWeight in 7886, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0625 = fieldNorm(doc=7886)
0.031223532 = weight(_text_:u in 7886) [ClassicSimilarity], result of:
0.031223532 = score(doc=7886,freq=2.0), product of:
0.107882105 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03294669 = 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)
0.33333334 = coord(2/6)
- Language
- e
- 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
0.010861676 = product of:
0.03258503 = sum of:
0.0052644373 = weight(_text_:e in 752) [ClassicSimilarity], result of:
0.0052644373 = score(doc=752,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.1111659 = fieldWeight in 752, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=752)
0.02732059 = weight(_text_:u in 752) [ClassicSimilarity], result of:
0.02732059 = score(doc=752,freq=2.0), product of:
0.107882105 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03294669 = 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)
0.33333334 = coord(2/6)
- Language
- e
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
-
Lancaster, F.W.: Indexing and abstracting in theory and practice (1998)
0.01
0.009933038 = product of:
0.029799111 = sum of:
0.0063814623 = weight(_text_:e in 4141) [ClassicSimilarity], result of:
0.0063814623 = score(doc=4141,freq=4.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.13475344 = fieldWeight in 4141, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=4141)
0.023417648 = weight(_text_:u in 4141) [ClassicSimilarity], result of:
0.023417648 = score(doc=4141,freq=2.0), product of:
0.107882105 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03294669 = 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)
0.33333334 = coord(2/6)
- Footnote
- Rez. in: JASIS 50(1999) no.8, S.728-730 (J.-E. Mai); Indexer 21(1999) no.3, S.148 (P.F. Booth); Managing information 6(1999) no.1, S.48 (S.T. Clarke); Electronic library 17(1999) no.3, S.193 (F. Parry)
- Language
- e
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
-
Lancaster, F.W.: Indexing and abstracting in theory and practice (2003)
0.01
0.009310008 = product of:
0.027930023 = sum of:
0.0045123748 = weight(_text_:e in 4913) [ClassicSimilarity], result of:
0.0045123748 = score(doc=4913,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.09528506 = fieldWeight in 4913, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=4913)
0.023417648 = weight(_text_:u in 4913) [ClassicSimilarity], result of:
0.023417648 = score(doc=4913,freq=2.0), product of:
0.107882105 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03294669 = 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)
0.33333334 = coord(2/6)
- Language
- e
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur
-
Lancaster, F.W.; Fayen, E.G.: Information retrieval on-line (1973)
0.00
0.002506875 = product of:
0.01504125 = sum of:
0.01504125 = weight(_text_:e in 2260) [ClassicSimilarity], result of:
0.01504125 = score(doc=2260,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.31761688 = fieldWeight in 2260, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.15625 = fieldNorm(doc=2260)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.: Toward paperless information systems (1978)
0.00
0.002506875 = product of:
0.01504125 = sum of:
0.01504125 = weight(_text_:e in 3356) [ClassicSimilarity], result of:
0.01504125 = score(doc=3356,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.31761688 = fieldWeight in 3356, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.15625 = fieldNorm(doc=3356)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.: Libraries and librarians in an age of electronics (1982)
0.00
0.002506875 = product of:
0.01504125 = sum of:
0.01504125 = weight(_text_:e in 6184) [ClassicSimilarity], result of:
0.01504125 = score(doc=6184,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.31761688 = fieldWeight in 6184, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.15625 = fieldNorm(doc=6184)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.; Smith, L.C.: Compatibility issues affecting information systems and services (1983)
0.00
0.002506875 = product of:
0.01504125 = sum of:
0.01504125 = weight(_text_:e in 7130) [ClassicSimilarity], result of:
0.01504125 = score(doc=7130,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.31761688 = fieldWeight in 7130, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.15625 = fieldNorm(doc=7130)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.; Zeter, M.J.; Metzler, L.: Ranganathan's influence examined bibliometrically (1992)
0.00
0.0020055 = product of:
0.012033 = sum of:
0.012033 = weight(_text_:e in 1379) [ClassicSimilarity], result of:
0.012033 = score(doc=1379,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2540935 = fieldWeight in 1379, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=1379)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.: Vocabulary control in information retrieval systems (1977)
0.00
0.0020055 = product of:
0.012033 = sum of:
0.012033 = weight(_text_:e in 1774) [ClassicSimilarity], result of:
0.012033 = score(doc=1774,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2540935 = fieldWeight in 1774, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=1774)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.; Mills, J.: Testing indexes and index language devices : the ASLIB Cranfield project (1964)
0.00
0.0020055 = product of:
0.012033 = sum of:
0.012033 = weight(_text_:e in 2261) [ClassicSimilarity], result of:
0.012033 = score(doc=2261,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2540935 = fieldWeight in 2261, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2261)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.: Information retrieval systems : characteristics, testing and evaluation (1979)
0.00
0.0020055 = product of:
0.012033 = sum of:
0.012033 = weight(_text_:e in 7270) [ClassicSimilarity], result of:
0.012033 = score(doc=7270,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2540935 = fieldWeight in 7270, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=7270)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.; Gillespie, C.J.: Design and evaluation of information systems (1970)
0.00
0.0020055 = product of:
0.012033 = sum of:
0.012033 = weight(_text_:e in 243) [ClassicSimilarity], result of:
0.012033 = score(doc=243,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2540935 = fieldWeight in 243, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=243)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.; Elliker, C.; Connell, T.H.: Subject analysis (1989)
0.00
0.0020055 = product of:
0.012033 = sum of:
0.012033 = weight(_text_:e in 338) [ClassicSimilarity], result of:
0.012033 = score(doc=338,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2540935 = fieldWeight in 338, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=338)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.; Li, J.: ¬The law of constant accessibility of information (1988/89)
0.00
0.0017548124 = product of:
0.010528875 = sum of:
0.010528875 = weight(_text_:e in 1565) [ClassicSimilarity], result of:
0.010528875 = score(doc=1565,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2223318 = fieldWeight in 1565, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=1565)
0.16666667 = coord(1/6)
- Language
- e
-
Lancaster, F.W.: Evaluation of expert systems in information service applications (1994)
0.00
0.0017548124 = product of:
0.010528875 = sum of:
0.010528875 = weight(_text_:e in 8905) [ClassicSimilarity], result of:
0.010528875 = score(doc=8905,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2223318 = fieldWeight in 8905, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=8905)
0.16666667 = coord(1/6)
- Language
- e