-
Tenopir, C.: Searching by controlled vocabulary or free text (1987)
0.02
0.01619195 = product of:
0.0323839 = sum of:
0.0323839 = product of:
0.0971517 = sum of:
0.0971517 = weight(_text_:29 in 1350) [ClassicSimilarity], result of:
0.0971517 = score(doc=1350,freq=2.0), product of:
0.15623134 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.044413086 = queryNorm
0.6218451 = fieldWeight in 1350, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.125 = fieldNorm(doc=1350)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Library journal. 112(1987) Nov.15, S.58-29
-
Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985)
0.01
0.010119969 = product of:
0.020239938 = sum of:
0.020239938 = product of:
0.060719814 = sum of:
0.060719814 = weight(_text_:29 in 1345) [ClassicSimilarity], result of:
0.060719814 = score(doc=1345,freq=2.0), product of:
0.15623134 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.044413086 = queryNorm
0.38865322 = fieldWeight in 1345, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.078125 = fieldNorm(doc=1345)
0.33333334 = coord(1/3)
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.
-
Salton, G.: Another look at automatic text-retrieval systems (1986)
0.01
0.010119969 = product of:
0.020239938 = sum of:
0.020239938 = product of:
0.060719814 = sum of:
0.060719814 = weight(_text_:29 in 1356) [ClassicSimilarity], result of:
0.060719814 = score(doc=1356,freq=2.0), product of:
0.15623134 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.044413086 = queryNorm
0.38865322 = fieldWeight in 1356, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.078125 = fieldNorm(doc=1356)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Communications of the Association for Computing Machinery. 29(1986), S.648-656
-
Molto, M.: Improving full text search performance through textual analysis (1993)
0.01
0.008095975 = product of:
0.01619195 = sum of:
0.01619195 = product of:
0.04857585 = sum of:
0.04857585 = weight(_text_:29 in 5099) [ClassicSimilarity], result of:
0.04857585 = score(doc=5099,freq=2.0), product of:
0.15623134 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.044413086 = queryNorm
0.31092256 = fieldWeight in 5099, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0625 = fieldNorm(doc=5099)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Information processing and management. 29(1993) no.5, S.614-632
-
Kristensen, J.: Expanding end-users' query statements for free text searching with a search-aid thesaurus (1993)
0.01
0.008095975 = product of:
0.01619195 = sum of:
0.01619195 = product of:
0.04857585 = sum of:
0.04857585 = weight(_text_:29 in 6621) [ClassicSimilarity], result of:
0.04857585 = score(doc=6621,freq=2.0), product of:
0.15623134 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.044413086 = queryNorm
0.31092256 = fieldWeight in 6621, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0625 = fieldNorm(doc=6621)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Information processing and management. 29(1993) no.6, S.733-744
-
Laegreid, J.A.: SIFT: a Norwegian information retrieval system (1993)
0.01
0.008023147 = product of:
0.016046293 = sum of:
0.016046293 = product of:
0.04813888 = sum of:
0.04813888 = weight(_text_:22 in 7701) [ClassicSimilarity], result of:
0.04813888 = score(doc=7701,freq=2.0), product of:
0.15552706 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044413086 = queryNorm
0.30952093 = fieldWeight in 7701, 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=7701)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Date
- 23. 1.1999 19:22:09
-
Preston, L.A.; Ebbs, C.M.; Luther, J.: 'Full text' access evaluation : are we getting the real thing? (1998)
0.01
0.007083978 = product of:
0.014167956 = sum of:
0.014167956 = product of:
0.042503867 = sum of:
0.042503867 = weight(_text_:29 in 2695) [ClassicSimilarity], result of:
0.042503867 = score(doc=2695,freq=2.0), product of:
0.15623134 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.044413086 = queryNorm
0.27205724 = fieldWeight in 2695, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0546875 = fieldNorm(doc=2695)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Footnote
- Part of an issue devoted to 'Experimentation and collaboration: creating series for a new millenium', part 2, Proceedings of the North American Serials Interest Group, Inc.'s 12th annual conference, 29 May - 1 June 1997, University of Michigan Ann Arbor, Michigan
-
Blair, D.C.: Full text retrieval : Evaluation and implications (1986)
0.01
0.006071981 = product of:
0.012143962 = sum of:
0.012143962 = product of:
0.036431886 = sum of:
0.036431886 = weight(_text_:29 in 2047) [ClassicSimilarity], result of:
0.036431886 = score(doc=2047,freq=2.0), product of:
0.15623134 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.044413086 = queryNorm
0.23319192 = fieldWeight in 2047, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.046875 = fieldNorm(doc=2047)
0.33333334 = coord(1/3)
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.
-
Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989)
0.01
0.00601736 = product of:
0.01203472 = sum of:
0.01203472 = product of:
0.036104158 = sum of:
0.036104158 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
0.036104158 = score(doc=3564,freq=2.0), product of:
0.15552706 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044413086 = 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)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Date
- 9. 1.1996 10:22:31