Search (2 results, page 1 of 1)
-
×
author_ss:"Rijsbergen, C.J. van"
-
×
theme_ss:"Retrievalstudien"
-
×
type_ss:"a"
-
×
year_i:[1970 TO 1980}
- Did you mean:
- rvk_ss%3a%2200 74500 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f kataloge%2c katalogisierung %2f titelaufnahme%2c katalogisierung im ausland %28.6 1%29 %2f international%2c allgemeines%22 2
- rvk_ss%3a%2200 74500 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f kataloge%2c katalogisierung %2f titelaufnahme%2c katalogisierung im ausland %28.6 1%29 %2f international%2c allgemeinen%22 2
- rvk_ss%3a%2200 74500 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f kataloge%2c katalogisierung %2f titelaufnahme%2c katalogisierungs im ausland %28.6 1%29 %2f international%2c allgemeines%22 2
- rvk_ss%3a%2200 74500 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f kataloge%2c katalogisierung %2f titelaufnahmen%2c katalogisierung im ausland %28.6 1%29 %2f international%2c allgemeines%22 2
- rvk_ss%3a%2200 74500 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f kataloge%2c katalogisierungs %2f titelaufnahme%2c katalogisierung im ausland %28.6 1%29 %2f international%2c allgemeines%22 2
-
Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973)
0.00
0.0022313842 = product of: 0.025660917 = sum of: 0.012888429 = product of: 0.025776858 = sum of: 0.025776858 = weight(_text_:29 in 5002) [ClassicSimilarity], result of: 0.025776858 = score(doc=5002,freq=2.0), product of: 0.08290443 = queryWeight, product of: 3.5176873 = idf(docFreq=3565, maxDocs=44218) 0.023567878 = queryNorm 0.31092256 = fieldWeight in 5002, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.5176873 = idf(docFreq=3565, maxDocs=44218) 0.0625 = fieldNorm(doc=5002) 0.5 = coord(1/2) 0.012772488 = product of: 0.025544977 = sum of: 0.025544977 = weight(_text_:22 in 5002) [ClassicSimilarity], result of: 0.025544977 = score(doc=5002,freq=2.0), product of: 0.08253069 = queryWeight, product of: 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.023567878 = queryNorm 0.30952093 = fieldWeight in 5002, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.0625 = fieldNorm(doc=5002) 0.5 = coord(1/2) 0.08695652 = coord(2/23)
- Date
- 19. 3.1996 11:22:12
- Source
- Journal of documentation. 29(1973) no.3, S.251-257
-
Sparck Jones, K.; Rijsbergen, C.J. van: Progress in documentation : Information retrieval test collection (1976)
0.00
2.3911135E-4 = product of: 0.005499561 = sum of: 0.005499561 = product of: 0.010999122 = sum of: 0.010999122 = weight(_text_:1 in 4161) [ClassicSimilarity], result of: 0.010999122 = score(doc=4161,freq=2.0), product of: 0.057894554 = queryWeight, product of: 2.4565027 = idf(docFreq=10304, maxDocs=44218) 0.023567878 = queryNorm 0.18998542 = fieldWeight in 4161, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 2.4565027 = idf(docFreq=10304, maxDocs=44218) 0.0546875 = fieldNorm(doc=4161) 0.5 = coord(1/2) 0.04347826 = coord(1/23)
- Source
- Journal of documentation. 32(1976) no.1, S.59-75