-
Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989)
0.02
0.021275483 = product of:
0.042550966 = sum of:
0.042550966 = sum of:
0.0051048263 = weight(_text_:s in 3564) [ClassicSimilarity], result of:
0.0051048263 = score(doc=3564,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.101928525 = fieldWeight in 3564, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=3564)
0.03744614 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
0.03744614 = score(doc=3564,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = 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
- Pages
- S.34-39
- Type
- s
-
Tenopir, C.: Full text database retrieval performance (1985)
0.00
0.0030080476 = product of:
0.006016095 = sum of:
0.006016095 = product of:
0.01203219 = sum of:
0.01203219 = weight(_text_:s in 406) [ClassicSimilarity], result of:
0.01203219 = score(doc=406,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.24024783 = fieldWeight in 406, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.15625 = fieldNorm(doc=406)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Online review. 9(1985), S.149-164
-
Salton, G.: Another look at automatic text-retrieval systems (1986)
0.00
0.0030080476 = product of:
0.006016095 = sum of:
0.006016095 = product of:
0.01203219 = sum of:
0.01203219 = weight(_text_:s in 1356) [ClassicSimilarity], result of:
0.01203219 = score(doc=1356,freq=8.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.24024783 = fieldWeight in 1356, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=1356)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Bezugnahme auf: Blair, D.C.: An evaluation of retrieval effectiveness for a full-text document-retrieval system. Comm. ACM 28(1985) S.280-299. - Vgl. auch: Blair, D.C.: Full text retrieval ... Int. Class. 13(1986) S.18-23; Blair, D.C., M.E. Maron: full-text information retrieval ... Inf. Proc. Man. 26(1990) S.437-447.
- Source
- Communications of the Association for Computing Machinery. 29(1986), S.648-656
-
Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985)
0.00
0.002605046 = product of:
0.005210092 = sum of:
0.005210092 = product of:
0.010420184 = sum of:
0.010420184 = weight(_text_:s in 1345) [ClassicSimilarity], result of:
0.010420184 = score(doc=1345,freq=6.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.20806074 = fieldWeight in 1345, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=1345)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Vgl. auch : Salton, G.: Another look ... Comm. ACM 29(1986) S.S.648-656; Blair, D.C.: Full text retrieval ... Int. Class. 13(1986) S.18-23: Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. proc. man. 26(1990) S.437-447.
- Source
- Communications of the Association for Computing Machinery. 28(1985), S.280-299
-
Tenopir, C.: Full text databases (1984)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 398) [ClassicSimilarity], result of:
0.009625752 = score(doc=398,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 398, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=398)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Annual review of information science and technology. 19(1984), S.215-246
-
Frederick, S.C.: SIRE: full-text retrieval with augmented search (1985)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 482) [ClassicSimilarity], result of:
0.009625752 = score(doc=482,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 482, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=482)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information today. 2(1985), S.7-25
-
Calkins, M.: Free text or controlled vocabulary? (1980)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 786) [ClassicSimilarity], result of:
0.009625752 = score(doc=786,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 786, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=786)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Database. 3(1980) no.2, S.55-67
-
Tenopir, C.: Searching by controlled vocabulary or free text (1987)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 1350) [ClassicSimilarity], result of:
0.009625752 = score(doc=1350,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 1350, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=1350)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Library journal. 112(1987) Nov.15, S.58-29
-
Markey, K.; Atherton, P.; Newton, C.: ¬An analysis of controlled vocabulary and free text search statements in online searches (1980)
0.00
0.0021056333 = product of:
0.0042112665 = sum of:
0.0042112665 = product of:
0.008422533 = sum of:
0.008422533 = weight(_text_:s in 1401) [ClassicSimilarity], result of:
0.008422533 = score(doc=1401,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.16817348 = fieldWeight in 1401, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=1401)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Online review. 4(1980), S.225-236
-
Bernstein, L.M.; Williamson, R.E.: Testing of a natural language retrieval system for a full text knowledge base (1984)
0.00
0.0021056333 = product of:
0.0042112665 = sum of:
0.0042112665 = product of:
0.008422533 = sum of:
0.008422533 = weight(_text_:s in 1803) [ClassicSimilarity], result of:
0.008422533 = score(doc=1803,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.16817348 = fieldWeight in 1803, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=1803)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 35(1984), S.235-247
-
Ro, J.S.: ¬An evaluation of the applicability of ranking algorithms to improve the effectiveness of full-text retrieval : 1. On the effectiveness of full-text retrieval (1988)
0.00
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = product of:
0.007219314 = sum of:
0.007219314 = weight(_text_:s in 4030) [ClassicSimilarity], result of:
0.007219314 = score(doc=4030,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.14414869 = fieldWeight in 4030, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=4030)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 39(1988), S.73-78
-
Graham, T.: ¬The free language approach to online catalogues : the user (1985)
0.00
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = product of:
0.007219314 = sum of:
0.007219314 = weight(_text_:s in 1215) [ClassicSimilarity], result of:
0.007219314 = score(doc=1215,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.14414869 = fieldWeight in 1215, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=1215)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.21-30
-
Free text in information systems: capabilities and limitations (1985)
0.00
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = product of:
0.007219314 = sum of:
0.007219314 = weight(_text_:s in 2045) [ClassicSimilarity], result of:
0.007219314 = score(doc=2045,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.14414869 = fieldWeight in 2045, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=2045)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- International classification. 12(1985), S.95-98
-
Blair, D.C.: Full text retrieval : Evaluation and implications (1986)
0.00
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = product of:
0.007219314 = sum of:
0.007219314 = weight(_text_:s in 2047) [ClassicSimilarity], result of:
0.007219314 = score(doc=2047,freq=8.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.14414869 = fieldWeight in 2047, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2047)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Vgl.: Blair, D.C., M.E. Maron: An evaluation ... Comm. ACM 28(1985) S.280-299; Salton, G.: Another look ... Comm. ACM 29(1986) S.648-656; Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. Proc. Man. 26(1990) S.437-447.
- Source
- International classification. 13(1986), S.18-23
-
Meunier, J.-G.; Bertrand-Gastaldy, S.; Lebel, H.: ¬A call for enhanced representation of content as a means of improving online full-text retrieval (1987)
0.00
0.0014889077 = product of:
0.0029778155 = sum of:
0.0029778155 = product of:
0.005955631 = sum of:
0.005955631 = weight(_text_:s in 2049) [ClassicSimilarity], result of:
0.005955631 = score(doc=2049,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.118916616 = fieldWeight in 2049, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=2049)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- International classification. 14(1987), S.2-10
-
Perez, E.: Text enhancement : Controlled vocabulary vs. free text (1982)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 1355) [ClassicSimilarity], result of:
0.004812876 = score(doc=1355,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 1355, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=1355)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Special libraries. 73(1982) no.3, S.183-192
-
Cochrane, P.A.: Subject access - free text and controlled : the case of Papua New Guinea (1985)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 1459) [ClassicSimilarity], result of:
0.004812876 = score(doc=1459,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 1459, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=1459)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.83-95
-
Dubois, C.P.R.: Free text vs. controlled vocabulary; a reassessment (1987)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 2048) [ClassicSimilarity], result of:
0.004812876 = score(doc=2048,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 2048, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=2048)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Online review. 11(1987), S.243-253
-
Böhle, K.; Riehm, U.: German fulltexts in working contexts : empirical findings on how end-users make use of fulltext databases (1989)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 2877) [ClassicSimilarity], result of:
0.004812876 = score(doc=2877,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 2877, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=2877)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.505-512
-
Schmidt, J.: Full-text searching : as seen from a non-bibliographic searcher's point of view (1989)
0.00
0.0010528166 = product of:
0.0021056333 = sum of:
0.0021056333 = product of:
0.0042112665 = sum of:
0.0042112665 = weight(_text_:s in 2876) [ClassicSimilarity], result of:
0.0042112665 = score(doc=2876,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.08408674 = fieldWeight in 2876, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=2876)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.495-504