-
Neelameghan, A.: Lateral relations and links in multicultural, multimedia databases in the spritual and religious domains : some observations (1999)
0.00
7.387756E-4 = product of:
0.0014775512 = sum of:
0.0014775512 = product of:
0.0029551024 = sum of:
0.0029551024 = weight(_text_:s in 4467) [ClassicSimilarity], result of:
0.0029551024 = score(doc=4467,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.072074346 = fieldWeight in 4467, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=4467)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Knowledge organization. 26(1999) no.2, S.74-79
-
Chen, H.; Martinez, J.; Kirchhoff, A.; Ng, T.D.; Schatz, B.R.: Alleviating search uncertainty through concept associations : automatic indexing, co-occurence analysis, and parallel computing (1998)
0.00
7.387756E-4 = product of:
0.0014775512 = sum of:
0.0014775512 = product of:
0.0029551024 = sum of:
0.0029551024 = weight(_text_:s in 5202) [ClassicSimilarity], result of:
0.0029551024 = score(doc=5202,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.072074346 = fieldWeight in 5202, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=5202)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 49(1998) no.3, S.206-216
-
Hudon, M.: ¬A preliminary investigation of the usefulness of semantic relations and of standardized definitions for the purpose of specifying meaning in a thesaurus (1998)
0.00
7.387756E-4 = product of:
0.0014775512 = sum of:
0.0014775512 = product of:
0.0029551024 = sum of:
0.0029551024 = weight(_text_:s in 55) [ClassicSimilarity], result of:
0.0029551024 = score(doc=55,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.072074346 = fieldWeight in 55, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=55)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.139-145
-
Nielsen, M.L.: Future thesauri : what kind of conceptual knowledge do searchers need? (1998)
0.00
7.387756E-4 = product of:
0.0014775512 = sum of:
0.0014775512 = product of:
0.0029551024 = sum of:
0.0029551024 = weight(_text_:s in 145) [ClassicSimilarity], result of:
0.0029551024 = score(doc=145,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.072074346 = fieldWeight in 145, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=145)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.153-160
-
Fischer, D.H.: From thesauri towards ontologies? (1998)
0.00
7.387756E-4 = product of:
0.0014775512 = sum of:
0.0014775512 = product of:
0.0029551024 = sum of:
0.0029551024 = weight(_text_:s in 2176) [ClassicSimilarity], result of:
0.0029551024 = score(doc=2176,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.072074346 = fieldWeight in 2176, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2176)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.18-30
-
Lopez-Huertas, M.J.: Thesaurus structure design : a conceptual approach for improved interaction (1997)
0.00
7.387756E-4 = product of:
0.0014775512 = sum of:
0.0014775512 = product of:
0.0029551024 = sum of:
0.0029551024 = weight(_text_:s in 4708) [ClassicSimilarity], result of:
0.0029551024 = score(doc=4708,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.072074346 = fieldWeight in 4708, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=4708)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of documentation. 53(1997) no.2, S.139-177
-
Spiteri, L.F.: ¬The essential elements of faceted thesauri (1999)
0.00
7.387756E-4 = product of:
0.0014775512 = sum of:
0.0014775512 = product of:
0.0029551024 = sum of:
0.0029551024 = weight(_text_:s in 5362) [ClassicSimilarity], result of:
0.0029551024 = score(doc=5362,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.072074346 = fieldWeight in 5362, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=5362)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Cataloging and classification quarterly. 28(1999) no.4, S.31-52
-
Rolland-Thomas, P.: Thesaural codes : an appraisal of their use in the Library of Congress Subject Headings (1993)
0.00
6.9652434E-4 = product of:
0.0013930487 = sum of:
0.0013930487 = product of:
0.0027860973 = sum of:
0.0027860973 = weight(_text_:s in 549) [ClassicSimilarity], result of:
0.0027860973 = score(doc=549,freq=4.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.06795235 = fieldWeight in 549, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03125 = fieldNorm(doc=549)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- LCSH is known as such since 1975. It always has created headings to serve the LC collections instead of a theoretical basis. It started to replace cross reference codes by thesaural codes in 1986, in a mechanical fashion. It was in no way transformed into a thesaurus. Its encyclopedic coverage, its pre-coordinate concepts make it substantially distinct, considering that thesauri usually map a restricted field of knowledge and use uniterms. The questions raised are whether the new symbols comply with thesaurus standards and if they are true to one or to several models. Explanations and definitions from other lists of subject headings and thesauri, literature in the field of classification and subject indexing will provide some answers. For instance, see refers from a subject heading not used to another or others used. Exceptionally it will lead from a specific term to a more general one. Some equate a see reference with the equivalence relationship. Such relationships are pointed by USE in LCSH. See also references are made from the broader subject to narrower parts of it and also between associated subjects. They suggest lateral or vertical connexions as well as reciprocal relationships. They serve a coordination purpose for some, lay down a methodical search itinerary for others. Since their inception in the 1950's thesauri have been devised for indexing and retrieving information in the fields of science and technology. Eventually they attended to a number of social sciences and humanities. Research derived from thesauri was voluminous. Numerous guidelines are designed. They did not discriminate between the "hard" sciences and the social sciences. RT relationships are widely but diversely used in numerous controlled vocabularies. LCSH's aim is to achieve a list almost free of RT and SA references. It thus restricts relationships to BT/NT, USE and UF. This raises the question as to whether all fields of knowledge can "fit" in the Procrustean bed of RT/NT, i.e., genus/species relationships. Standard codes were devised. It was soon realized that BT/NT, well suited to the genus/species couple could not signal a whole-part relationship. In LCSH, BT and NT function as reciprocals, the whole-part relationship is taken into account by ISO. It is amply elaborated upon by authors. The part-whole connexion is sometimes studied apart. The decision to replace cross reference codes was an improvement. Relations can now be distinguished through the distinct needs of numerous fields of knowledge are not attended to. Topic inclusion, and topic-subtopic, could provide the missing link where genus/species or whole/part are inadequate. Distinct codes, BT/NT and whole/part, should be provided. Sorting relationships with mechanical means can only lead to confusion.
- Source
- Cataloging and classification quarterly. 16(1993) no.2, S.71-91
-
Sarre, F.; Güntzer, U.; Myka, A.; Jüttner, G.: Maschinelles Lernen von Relationen für Thesauri und Hypertext (1992)
0.00
6.156463E-4 = product of:
0.0012312926 = sum of:
0.0012312926 = product of:
0.0024625852 = sum of:
0.0024625852 = weight(_text_:s in 1368) [ClassicSimilarity], result of:
0.0024625852 = score(doc=1368,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.060061958 = fieldWeight in 1368, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=1368)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.265-276
-
Chen, H.; Yim, T.; Fye, D.: Automatic thesaurus generation for an electronic community system (1995)
0.00
6.156463E-4 = product of:
0.0012312926 = sum of:
0.0012312926 = product of:
0.0024625852 = sum of:
0.0024625852 = weight(_text_:s in 2918) [ClassicSimilarity], result of:
0.0024625852 = score(doc=2918,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.060061958 = fieldWeight in 2918, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2918)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 46(1995) no.3, S.175-193
-
Francu, V.: Building a multilingual thesaurus based on UDC (1996)
0.00
6.156463E-4 = product of:
0.0012312926 = sum of:
0.0012312926 = product of:
0.0024625852 = sum of:
0.0024625852 = weight(_text_:s in 7410) [ClassicSimilarity], result of:
0.0024625852 = score(doc=7410,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.060061958 = fieldWeight in 7410, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=7410)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.144-154
-
Zainab, A.N.; Silva, S.M. de: Expert systems in library and information services : publication trends, authorship patterns and expressiveness of published titles (1998)
0.00
6.156463E-4 = product of:
0.0012312926 = sum of:
0.0012312926 = product of:
0.0024625852 = sum of:
0.0024625852 = weight(_text_:s in 2927) [ClassicSimilarity], result of:
0.0024625852 = score(doc=2927,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.060061958 = fieldWeight in 2927, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2927)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of information science. 24(1998) no.5, S.313-336
-
Schwarz, I.; Umstätter, W.: ¬Die vernachlässigten Aspekte des Thesaurus : Dokumentarische, pragmatische, semantische und syntaktische Einblicke (1999)
0.00
6.156463E-4 = product of:
0.0012312926 = sum of:
0.0012312926 = product of:
0.0024625852 = sum of:
0.0024625852 = weight(_text_:s in 3871) [ClassicSimilarity], result of:
0.0024625852 = score(doc=3871,freq=2.0), product of:
0.04100075 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03771094 = queryNorm
0.060061958 = fieldWeight in 3871, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=3871)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- nfd Information - Wissenschaft und Praxis. 50(1999) H.4, S.197-203
