-
Wellisch, H.H.: ¬The Universal Decimal Classification : a programmed instruction course (1970)
0.04
0.0359581 = product of:
0.0719162 = sum of:
0.02256595 = weight(_text_:information in 3383) [ClassicSimilarity], result of:
0.02256595 = score(doc=3383,freq=2.0), product of:
0.08310462 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047340166 = queryNorm
0.27153665 = fieldWeight in 3383, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.109375 = fieldNorm(doc=3383)
0.04935025 = product of:
0.0987005 = sum of:
0.0987005 = weight(_text_:services in 3383) [ClassicSimilarity], result of:
0.0987005 = score(doc=3383,freq=2.0), product of:
0.1738033 = queryWeight, product of:
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.047340166 = queryNorm
0.56788623 = fieldWeight in 3383, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.109375 = fieldNorm(doc=3383)
0.5 = coord(1/2)
0.5 = coord(2/4)
- Imprint
- College Park, Md. : Univ. of Maryland. School of Library and Information Services
-
Wellisch, H.H.: Indexing and abstracting 1977-1981 : an international bibliography (1984)
0.03
0.030821227 = product of:
0.061642453 = sum of:
0.019342242 = weight(_text_:information in 1453) [ClassicSimilarity], result of:
0.019342242 = score(doc=1453,freq=2.0), product of:
0.08310462 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047340166 = queryNorm
0.23274569 = fieldWeight in 1453, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=1453)
0.042300213 = product of:
0.084600426 = sum of:
0.084600426 = weight(_text_:services in 1453) [ClassicSimilarity], result of:
0.084600426 = score(doc=1453,freq=2.0), product of:
0.1738033 = queryWeight, product of:
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.047340166 = queryNorm
0.4867596 = fieldWeight in 1453, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.09375 = fieldNorm(doc=1453)
0.5 = coord(1/2)
0.5 = coord(2/4)
- Imprint
- Santa Barbara : ABC-Clio Information Services
-
Wellisch, H.H.: Year's work in subject analysis : 1980 (1981)
0.01
0.014100071 = product of:
0.056400284 = sum of:
0.056400284 = product of:
0.11280057 = sum of:
0.11280057 = weight(_text_:services in 310) [ClassicSimilarity], result of:
0.11280057 = score(doc=310,freq=2.0), product of:
0.1738033 = queryWeight, product of:
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.047340166 = queryNorm
0.6490128 = fieldWeight in 310, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.125 = fieldNorm(doc=310)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Library resources and technical services. 25(1981), S.295-309
-
Wellisch, H.H.: Organisatorische Neuordnung des DK-Systems (1971)
0.01
0.012827878 = product of:
0.05131151 = sum of:
0.05131151 = product of:
0.10262302 = sum of:
0.10262302 = weight(_text_:22 in 1168) [ClassicSimilarity], result of:
0.10262302 = score(doc=1168,freq=2.0), product of:
0.16577719 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.047340166 = queryNorm
0.61904186 = fieldWeight in 1168, 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=1168)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Nachrichten für Dokumentation. 22(1971), S.55-63
-
Wellisch, H.H.: ¬The art of indexing and some fallacies of its automation (1992)
0.01
0.0070500355 = product of:
0.028200142 = sum of:
0.028200142 = product of:
0.056400284 = sum of:
0.056400284 = weight(_text_:services in 3958) [ClassicSimilarity], result of:
0.056400284 = score(doc=3958,freq=2.0), product of:
0.1738033 = queryWeight, product of:
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.047340166 = queryNorm
0.3245064 = fieldWeight in 3958, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.0625 = fieldNorm(doc=3958)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Abstract
- Reviews the history of indexing, which began with the rise of the universities in the 13th century, before the invention of printing. Describes the different skills needed for indexing books, periodicals and databases. States the belief that the quest for fully automatic indexing is a futile endeavour; machine-generated indexes need the services of human post-editors if they are to be useful and acceptable
-
Wellisch, H.H.: ¬The cybernetics of bibliographic control : toward a theory of document retrieval systems (1980)
0.01
0.006838515 = product of:
0.02735406 = sum of:
0.02735406 = weight(_text_:information in 1321) [ClassicSimilarity], result of:
0.02735406 = score(doc=1321,freq=4.0), product of:
0.08310462 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047340166 = queryNorm
0.3291521 = fieldWeight in 1321, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=1321)
0.25 = coord(1/4)
- Source
- Theory and application of information research. Proc. of the 2nd Int. Research Forum on Information Science, 3.-6.8.1977, Copenhagen. Ed.: O. Harbo u. L. Kajberg
-
Wellisch, H.H.: Book and periodical indexing (1994)
0.00
0.0024177802 = product of:
0.009671121 = sum of:
0.009671121 = weight(_text_:information in 8265) [ClassicSimilarity], result of:
0.009671121 = score(doc=8265,freq=2.0), product of:
0.08310462 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047340166 = queryNorm
0.116372846 = fieldWeight in 8265, 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=8265)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science. 45(1994) no.8, S.620-627
