-
Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
0.05
0.046434782 = product of:
0.13930434 = sum of:
0.095473155 = weight(_text_:computer in 2134) [ClassicSimilarity], result of:
0.095473155 = score(doc=2134,freq=2.0), product of:
0.16889592 = queryWeight, product of:
3.6545093 = idf(docFreq=3109, maxDocs=44218)
0.046215758 = queryNorm
0.56527805 = fieldWeight in 2134, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6545093 = idf(docFreq=3109, maxDocs=44218)
0.109375 = fieldNorm(doc=2134)
0.04383118 = product of:
0.08766236 = sum of:
0.08766236 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
0.08766236 = score(doc=2134,freq=2.0), product of:
0.16183971 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046215758 = queryNorm
0.5416616 = fieldWeight in 2134, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=2134)
0.5 = coord(1/2)
0.33333334 = coord(2/6)
- Date
- 30. 3.2001 13:32:22
- Source
- Computer journal. 26(1983), S.239-246
-
Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986)
0.01
0.0083487965 = product of:
0.050092775 = sum of:
0.050092775 = product of:
0.10018555 = sum of:
0.10018555 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
0.10018555 = score(doc=402,freq=2.0), product of:
0.16183971 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046215758 = queryNorm
0.61904186 = fieldWeight in 402, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=402)
0.5 = coord(1/2)
0.16666667 = coord(1/6)
- Source
- Information processing and management. 22(1986) no.6, S.465-476
-
Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986)
0.01
0.0062615974 = product of:
0.037569582 = sum of:
0.037569582 = product of:
0.075139165 = sum of:
0.075139165 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
0.075139165 = score(doc=58,freq=2.0), product of:
0.16183971 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046215758 = queryNorm
0.46428138 = fieldWeight in 58, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=58)
0.5 = coord(1/2)
0.16666667 = coord(1/6)
- Date
- 14. 6.2015 22:12:44
-
Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986)
0.01
0.0062615974 = product of:
0.037569582 = sum of:
0.037569582 = product of:
0.075139165 = sum of:
0.075139165 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
0.075139165 = score(doc=2051,freq=2.0), product of:
0.16183971 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046215758 = queryNorm
0.46428138 = fieldWeight in 2051, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=2051)
0.5 = coord(1/2)
0.16666667 = coord(1/6)
- Date
- 14. 6.2015 22:12:56