Search (2 results, page 1 of 1)
-
Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985)
0.00
0.0030004794 = product of: 0.006000959 = sum of: 0.006000959 = product of: 0.012001918 = sum of: 0.012001918 = weight(_text_:s in 1345) [ClassicSimilarity], result of: 0.012001918 = score(doc=1345,freq=6.0), product of: 0.057684682 = queryWeight, product of: 1.0872376 = idf(docFreq=40523, maxDocs=44218) 0.053056188 = 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
-
Blair, D.C.: Full text retrieval : Evaluation and implications (1986)
0.00
0.0020787928 = product of: 0.0041575856 = sum of: 0.0041575856 = product of: 0.008315171 = sum of: 0.008315171 = weight(_text_:s in 2047) [ClassicSimilarity], result of: 0.008315171 = score(doc=2047,freq=8.0), product of: 0.057684682 = queryWeight, product of: 1.0872376 = idf(docFreq=40523, maxDocs=44218) 0.053056188 = 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