-
Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984)
0.08
0.07782935 = product of:
0.1556587 = sum of:
0.1556587 = sum of:
0.04358402 = weight(_text_:h in 262) [ClassicSimilarity], result of:
0.04358402 = score(doc=262,freq=2.0), product of:
0.113413334 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045649286 = queryNorm
0.38429362 = fieldWeight in 262, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.109375 = fieldNorm(doc=262)
0.025486821 = weight(_text_:d in 262) [ClassicSimilarity], result of:
0.025486821 = score(doc=262,freq=2.0), product of:
0.0867278 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045649286 = queryNorm
0.29387143 = fieldWeight in 262, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.109375 = fieldNorm(doc=262)
0.08658787 = weight(_text_:22 in 262) [ClassicSimilarity], result of:
0.08658787 = score(doc=262,freq=2.0), product of:
0.15985602 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045649286 = queryNorm
0.5416616 = fieldWeight in 262, 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=262)
0.5 = coord(1/2)
- Date
- 20.10.2000 12:22:23
- Language
- d
- Source
- Deutscher Dokumentartag 1983, Göttingen, 3.-7.10.1983: Fachinformation und Bildschirmtext. Bearb.: H. Strohl-Goebel
-
Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983)
0.01
0.01030808 = product of:
0.02061616 = sum of:
0.02061616 = product of:
0.06184848 = sum of:
0.06184848 = weight(_text_:22 in 2417) [ClassicSimilarity], result of:
0.06184848 = score(doc=2417,freq=2.0), product of:
0.15985602 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045649286 = queryNorm
0.38690117 = fieldWeight in 2417, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=2417)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Pages
- S.22-25
-
Ongering, H.; Riesthuis, G.J.A.: ¬De ontsluiting in het ADION-systeem : precision en recall (1989)
0.01
0.008301718 = product of:
0.016603436 = sum of:
0.016603436 = product of:
0.04981031 = sum of:
0.04981031 = weight(_text_:h in 416) [ClassicSimilarity], result of:
0.04981031 = score(doc=416,freq=2.0), product of:
0.113413334 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045649286 = queryNorm
0.4391927 = fieldWeight in 416, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.125 = fieldNorm(doc=416)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983)
0.01
0.007215656 = product of:
0.014431312 = sum of:
0.014431312 = product of:
0.043293934 = sum of:
0.043293934 = weight(_text_:22 in 5001) [ClassicSimilarity], result of:
0.043293934 = score(doc=5001,freq=2.0), product of:
0.15985602 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045649286 = queryNorm
0.2708308 = fieldWeight in 5001, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=5001)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Date
- 14. 3.1996 13:22:21
-
Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989)
0.01
0.006184848 = product of:
0.012369696 = sum of:
0.012369696 = product of:
0.03710909 = sum of:
0.03710909 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
0.03710909 = score(doc=3564,freq=2.0), product of:
0.15985602 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045649286 = queryNorm
0.23214069 = fieldWeight in 3564, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=3564)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Date
- 9. 1.1996 10:22:31
-
Madelung, H.-O.: Subject searching in the social sciences : a comparison of PRECIS and KWIC indexes indexes to newspaper articles (1982)
0.00
0.0036320016 = product of:
0.007264003 = sum of:
0.007264003 = product of:
0.02179201 = sum of:
0.02179201 = weight(_text_:h in 5517) [ClassicSimilarity], result of:
0.02179201 = score(doc=5517,freq=2.0), product of:
0.113413334 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045649286 = queryNorm
0.19214681 = fieldWeight in 5517, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0546875 = fieldNorm(doc=5517)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Biebricher, P.; Fuhr, N.; Niewelt, B.: ¬Der AIR-Retrievaltest (1986)
0.00
0.0030341456 = product of:
0.006068291 = sum of:
0.006068291 = product of:
0.018204873 = sum of:
0.018204873 = weight(_text_:d in 4040) [ClassicSimilarity], result of:
0.018204873 = score(doc=4040,freq=2.0), product of:
0.0867278 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045649286 = queryNorm
0.20990817 = fieldWeight in 4040, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.078125 = fieldNorm(doc=4040)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Language
- d
-
Hartley, D.: ¬A 'laboratory' method for the comparison of retrieval effectiveness in manual and online searching (1984)
0.00
0.0024273165 = product of:
0.004854633 = sum of:
0.004854633 = product of:
0.014563899 = sum of:
0.014563899 = weight(_text_:d in 8919) [ClassicSimilarity], result of:
0.014563899 = score(doc=8919,freq=2.0), product of:
0.0867278 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045649286 = queryNorm
0.16792654 = fieldWeight in 8919, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.0625 = fieldNorm(doc=8919)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Jochum, F.; Weissmann, V.: Struktur und Elemente des Information Retrieval Experiments (1985)
0.00
0.0024273165 = product of:
0.004854633 = sum of:
0.004854633 = product of:
0.014563899 = sum of:
0.014563899 = weight(_text_:d in 114) [ClassicSimilarity], result of:
0.014563899 = score(doc=114,freq=2.0), product of:
0.0867278 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045649286 = queryNorm
0.16792654 = fieldWeight in 114, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.0625 = fieldNorm(doc=114)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Language
- d
