-
Burgin, R.: Variations in relevance judgements and the evaluation of retrieval performance (1992)
0.01
0.008306624 = product of:
0.024919873 = sum of:
0.024919873 = product of:
0.049839746 = sum of:
0.049839746 = weight(_text_:management in 3308) [ClassicSimilarity], result of:
0.049839746 = score(doc=3308,freq=2.0), product of:
0.16729078 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.04963216 = queryNorm
0.29792285 = fieldWeight in 3308, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.0625 = fieldNorm(doc=3308)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Source
- Information processing and management. 28(1992) no.5, S.619-627
-
Shaw, W.M.; Burgin, R.; Howell, P.: Performance standards and evaluations in IR test collections : cluster-based retrieval models (1997)
0.01
0.007268296 = product of:
0.021804888 = sum of:
0.021804888 = product of:
0.043609776 = sum of:
0.043609776 = weight(_text_:management in 7256) [ClassicSimilarity], result of:
0.043609776 = score(doc=7256,freq=2.0), product of:
0.16729078 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.04963216 = queryNorm
0.2606825 = fieldWeight in 7256, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.0546875 = fieldNorm(doc=7256)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Source
- Information processing and management. 33(1997) no.1, S.1-14
-
Shaw, W.M.; Burgin, R.; Howell, P.: Performance standards and evaluations in IR test collections : vector-space and other retrieval models (1997)
0.01
0.0062299683 = product of:
0.018689904 = sum of:
0.018689904 = product of:
0.03737981 = sum of:
0.03737981 = weight(_text_:management in 7259) [ClassicSimilarity], result of:
0.03737981 = score(doc=7259,freq=2.0), product of:
0.16729078 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.04963216 = queryNorm
0.22344214 = fieldWeight in 7259, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.046875 = fieldNorm(doc=7259)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Source
- Information processing and management. 33(1997) no.1, S.15-36
-
Burgin, R.: ¬The effect of indexing exhaustivity on retrieval performance (1991)
0.01
0.0062299683 = product of:
0.018689904 = sum of:
0.018689904 = product of:
0.03737981 = sum of:
0.03737981 = weight(_text_:management in 5262) [ClassicSimilarity], result of:
0.03737981 = score(doc=5262,freq=2.0), product of:
0.16729078 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.04963216 = queryNorm
0.22344214 = fieldWeight in 5262, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.046875 = fieldNorm(doc=5262)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Source
- Information processing and management. 27(1991) no.6, S.623-628
-
Burgin, R.: ¬The retrieval effectiveness of 5 clustering algorithms as a function of indexing exhaustivity (1995)
0.01
0.005603728 = product of:
0.016811183 = sum of:
0.016811183 = product of:
0.033622365 = sum of:
0.033622365 = weight(_text_:22 in 3365) [ClassicSimilarity], result of:
0.033622365 = score(doc=3365,freq=2.0), product of:
0.17380337 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04963216 = queryNorm
0.19345059 = fieldWeight in 3365, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=3365)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Date
- 22. 2.1996 11:20:06