-
Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986)
0.06
0.05828543 = product of:
0.11657086 = sum of:
0.11657086 = sum of:
0.016807998 = weight(_text_:e in 402) [ClassicSimilarity], result of:
0.016807998 = score(doc=402,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 402, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=402)
0.099762864 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
0.099762864 = score(doc=402,freq=2.0), product of:
0.1611569 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04602077 = 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)
- Language
- e
- Source
- Information processing and management. 22(1986) no.6, S.465-476
-
Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
0.05
0.050999753 = product of:
0.10199951 = sum of:
0.10199951 = sum of:
0.014706998 = weight(_text_:e in 2134) [ClassicSimilarity], result of:
0.014706998 = score(doc=2134,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2223318 = fieldWeight in 2134, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=2134)
0.08729251 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
0.08729251 = score(doc=2134,freq=2.0), product of:
0.1611569 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04602077 = 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)
- Date
- 30. 3.2001 13:32:22
- Language
- e
-
Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986)
0.02
0.018705536 = product of:
0.03741107 = sum of:
0.03741107 = product of:
0.07482214 = sum of:
0.07482214 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
0.07482214 = score(doc=58,freq=2.0), product of:
0.1611569 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04602077 = 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)
0.5 = coord(1/2)
- Date
- 14. 6.2015 22:12:44
-
Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986)
0.02
0.018705536 = product of:
0.03741107 = sum of:
0.03741107 = product of:
0.07482214 = sum of:
0.07482214 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
0.07482214 = score(doc=2051,freq=2.0), product of:
0.1611569 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04602077 = 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)
0.5 = coord(1/2)
- Date
- 14. 6.2015 22:12:56
-
Rada, R.; Bicknell, E.: Ranking documents with a thesaurus (1989)
0.01
0.005942525 = product of:
0.01188505 = sum of:
0.01188505 = product of:
0.0237701 = sum of:
0.0237701 = weight(_text_:e in 6908) [ClassicSimilarity], result of:
0.0237701 = score(doc=6908,freq=4.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.3593425 = fieldWeight in 6908, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=6908)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Harper, D.J.: Relevance feedback in document retrieval (1980)
0.01
0.0052524996 = product of:
0.010504999 = sum of:
0.010504999 = product of:
0.021009998 = sum of:
0.021009998 = weight(_text_:e in 5867) [ClassicSimilarity], result of:
0.021009998 = score(doc=5867,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.31761688 = fieldWeight in 5867, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.15625 = fieldNorm(doc=5867)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Salton, G.; Buckley, C.: Parallel text search methods (1988)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 404) [ClassicSimilarity], result of:
0.016807998 = score(doc=404,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 404, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=404)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Wu, H.; Salton, G.: ¬The estimation of term relevance weights using relevance feedback (1981)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 4728) [ClassicSimilarity], result of:
0.016807998 = score(doc=4728,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 4728, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=4728)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Salton, G.: ¬A simple blueprint for automatic Boolean query processing (1988)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 6774) [ClassicSimilarity], result of:
0.016807998 = score(doc=6774,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 6774, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=6774)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Kantor, P.B.: ¬The logic of weighted queries (1981)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 7622) [ClassicSimilarity], result of:
0.016807998 = score(doc=7622,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 7622, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=7622)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Perry, R.; Willett, P.: ¬A revies of the use of inverted files for best match searching in information retrieval systems (1983)
0.00
0.0036767495 = product of:
0.007353499 = sum of:
0.007353499 = product of:
0.014706998 = sum of:
0.014706998 = weight(_text_:e in 2701) [ClassicSimilarity], result of:
0.014706998 = score(doc=2701,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2223318 = fieldWeight in 2701, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=2701)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Bovey, J.D.; Robertson, S.E.: ¬An algorithm for weighted searching on a Boolean system (1984)
0.00
0.0036767495 = product of:
0.007353499 = sum of:
0.007353499 = product of:
0.014706998 = sum of:
0.014706998 = weight(_text_:e in 788) [ClassicSimilarity], result of:
0.014706998 = score(doc=788,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2223318 = fieldWeight in 788, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=788)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
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
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = product of:
0.012605998 = sum of:
0.012605998 = weight(_text_:e in 4030) [ClassicSimilarity], result of:
0.012605998 = score(doc=4030,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.19057012 = fieldWeight in 4030, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.09375 = fieldNorm(doc=4030)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Salton, G.; Buckley, C.: Term-weighting approaches in automatic text retrieval (1988)
0.00
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = product of:
0.012605998 = sum of:
0.012605998 = weight(_text_:e in 1938) [ClassicSimilarity], result of:
0.012605998 = score(doc=1938,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.19057012 = fieldWeight in 1938, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.09375 = fieldNorm(doc=1938)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Srinivasan, P.: Intelligent information retrieval using rough set approximations (1989)
0.00
0.0018383748 = product of:
0.0036767495 = sum of:
0.0036767495 = product of:
0.007353499 = sum of:
0.007353499 = weight(_text_:e in 2526) [ClassicSimilarity], result of:
0.007353499 = score(doc=2526,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.1111659 = fieldWeight in 2526, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=2526)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Deerwester, S.; Dumais, S.; Landauer, T.; Furnass, G.; Beck, L.: Improving information retrieval with latent semantic indexing (1988)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 2396) [ClassicSimilarity], result of:
0.006302999 = score(doc=2396,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 2396, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=2396)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e