-
Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989)
0.07
0.06589625 = product of:
0.1317925 = sum of:
0.1317925 = sum of:
0.09552453 = weight(_text_:m.e in 3564) [ClassicSimilarity], result of:
0.09552453 = score(doc=3564,freq=2.0), product of:
0.25355247 = queryWeight, product of:
5.683172 = idf(docFreq=408, maxDocs=44218)
0.044614602 = queryNorm
0.37674463 = fieldWeight in 3564, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.683172 = idf(docFreq=408, maxDocs=44218)
0.046875 = fieldNorm(doc=3564)
0.036267973 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
0.036267973 = score(doc=3564,freq=2.0), product of:
0.15623273 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044614602 = queryNorm
0.23214069 = fieldWeight in 3564, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=3564)
0.5 = coord(1/2)
- Date
- 9. 1.1996 10:22:31
-
Subject and information analysis (1985)
0.05
0.047762264 = product of:
0.09552453 = sum of:
0.09552453 = product of:
0.19104905 = sum of:
0.19104905 = weight(_text_:m.e in 793) [ClassicSimilarity], result of:
0.19104905 = score(doc=793,freq=8.0), product of:
0.25355247 = queryWeight, product of:
5.683172 = idf(docFreq=408, maxDocs=44218)
0.044614602 = queryNorm
0.75348926 = fieldWeight in 793, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
5.683172 = idf(docFreq=408, maxDocs=44218)
0.046875 = fieldNorm(doc=793)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Content
- Inhalt: OVERVIEW: Automatic analysis (M.E. STEVENS); Analysis of Information (B.C. VICKERY) / DESCRIPTIVE CATALOGING: Descriptive cataloging (J.E. DAILY) / NATURAL LANGUAGE TEXT PROCESSING: Content analysis (C.E. HICKS, J.E. RUSH, S.M. STRONG); Machine translation (W. LEHMANN); Machine translation (W.N. LOCKE); Natural language analysis and processing (N. SAGER); Automatic analysis (M.E. STEVENS) / INDEXING: Coordinate indexing (A. ARTANDI); Subject indexes (C.L. BERNIER); Automatic indexing: progress and prospects (B.C. LANDRY, J.E. RUSH); Automatic analysis (M.E. STEVENS) / TERMINOLOGY CONTROL: Authority files (J.E. DAILY); Subject headings (J.E. Daily); Thesaurus (D.J. FOSKETT); Subject headings (M.L. MANNHEIMER) / CLASSIFYING: Abstract classification (J.E. Daily); Classification and categorization (J.E. DAILY); Clumps, theory of (K. SPARCK JONES); Dewey Decimal Classification (M.L. MANNHEIMER); Techniques used in Library of Congress Classification (M.L. MANNHEIMER); Classification, theory of (A. NEELAMEGHAN); Automatic analysis (M.E. STEVENS) / ABSTRACTING: Abstracts and abstracting (C.L. BERNIER); Abstracting (B.A. MATHIS, J.E. RUSH) / EXTRACTING: Relevance predictability in information retrieval systems (A. KENT, J. BELZER, M. KURFEERST, E.D. DYM, D.L. SHIREY, A. BOSE)
-
Information retrieval experiment (1981)
0.03
0.027861321 = product of:
0.055722643 = sum of:
0.055722643 = product of:
0.111445285 = sum of:
0.111445285 = weight(_text_:m.e in 2653) [ClassicSimilarity], result of:
0.111445285 = score(doc=2653,freq=2.0), product of:
0.25355247 = queryWeight, product of:
5.683172 = idf(docFreq=408, maxDocs=44218)
0.044614602 = queryNorm
0.4395354 = fieldWeight in 2653, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.683172 = idf(docFreq=408, maxDocs=44218)
0.0546875 = fieldNorm(doc=2653)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Content
- Enthält die Beiträge: ROBERTSON, S.E.: The methodology of information retrieval experiment; RIJSBERGEN, C.J. van: Retrieval effectiveness; BELKIN, N.: Ineffable concepts in information retrieval; TAGUE, J.M.: The pragmatics of information retrieval experimentation; LANCASTER, F.W.: Evaluation within the environment of an operating information service; BARRACLOUGH, E.D.: Opportunities for testing with online systems; KEEN, M.E.: Laboratory tests of manual systems; ODDY, R.N.: Laboratory tests: automatic systems; HEINE, M.D.: Simulation, and simulation experiments; COOPER, W.S.: Gedanken experimentation: an alternative to traditional system testing?; SPARCK JONES, K.: Actual tests - retrieval system tests; EVANS, L.: An experiment: search strategy variation in SDI profiles; SALTON, G.: The Smart environment for retrieval system evaluation - advantage and problem areas
-
Gehirn und Nervensystem : woraus sie bestehen - wie sie funktionieren - was sie leisten (1988)
0.03
0.025645332 = product of:
0.051290665 = sum of:
0.051290665 = product of:
0.10258133 = sum of:
0.10258133 = weight(_text_:22 in 670) [ClassicSimilarity], result of:
0.10258133 = score(doc=670,freq=4.0), product of:
0.15623273 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044614602 = queryNorm
0.6565931 = fieldWeight in 670, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=670)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 7.2000 18:22:27
-
Information brokers and reference services (1989)
0.02
0.02417865 = product of:
0.0483573 = sum of:
0.0483573 = product of:
0.0967146 = sum of:
0.0967146 = weight(_text_:22 in 252) [ClassicSimilarity], result of:
0.0967146 = score(doc=252,freq=2.0), product of:
0.15623273 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044614602 = queryNorm
0.61904186 = fieldWeight in 252, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=252)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Series
- Reference librarian; no.22
-
Sievert, M.E.; McKinin, E.J.; Slough, M.: ¬A comparison of indexing and full-text for the retrieval of clinical medical literature (1988)
0.02
0.023881132 = product of:
0.047762264 = sum of:
0.047762264 = product of:
0.09552453 = sum of:
0.09552453 = weight(_text_:m.e in 3563) [ClassicSimilarity], result of:
0.09552453 = score(doc=3563,freq=2.0), product of:
0.25355247 = queryWeight, product of:
5.683172 = idf(docFreq=408, maxDocs=44218)
0.044614602 = queryNorm
0.37674463 = fieldWeight in 3563, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.683172 = idf(docFreq=408, maxDocs=44218)
0.046875 = fieldNorm(doc=3563)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Smith, L.C.: "Wholly new forms of encyclopedias" : electronic knowledge in the form of hypertext (1989)
0.01
0.012089325 = product of:
0.02417865 = sum of:
0.02417865 = product of:
0.0483573 = sum of:
0.0483573 = weight(_text_:22 in 3558) [ClassicSimilarity], result of:
0.0483573 = score(doc=3558,freq=2.0), product of:
0.15623273 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044614602 = queryNorm
0.30952093 = fieldWeight in 3558, 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=3558)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 7. 1.1996 22:47:52