Search (2 results, page 1 of 1)
- Did you mean:
- object's%3a%22nd-18%22 2
- object's%3a%2200-18%22 2
- objects%3a%22nd-18%22 2
- object's%3a%2223-18%22 2
- objects%3a%2200-18%22 2
-
Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985)
0.01
0.006009403 = product of: 0.030047014 = sum of: 0.030047014 = weight(_text_:18 in 1345) [ClassicSimilarity], result of: 0.030047014 = score(doc=1345,freq=2.0), product of: 0.11947718 = queryWeight, product of: 2.2762048 = idf(docFreq=12340, maxDocs=44218) 0.052489646 = queryNorm 0.25148746 = fieldWeight in 1345, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 2.2762048 = idf(docFreq=12340, maxDocs=44218) 0.078125 = fieldNorm(doc=1345) 0.2 = coord(1/5)
- 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.
-
Blair, D.C.: Full text retrieval : Evaluation and implications (1986)
0.00
0.003605642 = product of: 0.018028209 = sum of: 0.018028209 = weight(_text_:18 in 2047) [ClassicSimilarity], result of: 0.018028209 = score(doc=2047,freq=2.0), product of: 0.11947718 = queryWeight, product of: 2.2762048 = idf(docFreq=12340, maxDocs=44218) 0.052489646 = queryNorm 0.15089248 = fieldWeight in 2047, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 2.2762048 = idf(docFreq=12340, maxDocs=44218) 0.046875 = fieldNorm(doc=2047) 0.2 = coord(1/5)
- Source
- International classification. 13(1986), S.18-23