-
Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984)
0.06
0.056401253 = product of:
0.112802505 = sum of:
0.112802505 = sum of:
0.025652334 = weight(_text_:d in 262) [ClassicSimilarity], result of:
0.025652334 = score(doc=262,freq=2.0), product of:
0.08729101 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045945734 = 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)
0.08715017 = weight(_text_:22 in 262) [ClassicSimilarity], result of:
0.08715017 = score(doc=262,freq=2.0), product of:
0.16089413 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045945734 = 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
-
Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983)
0.02
0.015562532 = product of:
0.031125063 = sum of:
0.031125063 = product of:
0.062250126 = sum of:
0.062250126 = weight(_text_:22 in 2417) [ClassicSimilarity], result of:
0.062250126 = score(doc=2417,freq=2.0), product of:
0.16089413 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045945734 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.22-25
-
Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983)
0.01
0.010893771 = product of:
0.021787543 = sum of:
0.021787543 = product of:
0.043575086 = sum of:
0.043575086 = weight(_text_:22 in 5001) [ClassicSimilarity], result of:
0.043575086 = score(doc=5001,freq=2.0), product of:
0.16089413 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045945734 = 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)
0.5 = coord(1/2)
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
0.009337518 = product of:
0.018675037 = sum of:
0.018675037 = product of:
0.037350073 = sum of:
0.037350073 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
0.037350073 = score(doc=3564,freq=2.0), product of:
0.16089413 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045945734 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 9. 1.1996 10:22:31
-
Biebricher, P.; Fuhr, N.; Niewelt, B.: ¬Der AIR-Retrievaltest (1986)
0.00
0.004580774 = product of:
0.009161548 = sum of:
0.009161548 = product of:
0.018323096 = sum of:
0.018323096 = weight(_text_:d in 4040) [ClassicSimilarity], result of:
0.018323096 = score(doc=4040,freq=2.0), product of:
0.08729101 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045945734 = 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)
0.5 = coord(1/2)
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
0.0036646193 = product of:
0.0073292386 = sum of:
0.0073292386 = product of:
0.014658477 = sum of:
0.014658477 = weight(_text_:d in 8919) [ClassicSimilarity], result of:
0.014658477 = score(doc=8919,freq=2.0), product of:
0.08729101 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045945734 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Jochum, F.; Weissmann, V.: Struktur und Elemente des Information Retrieval Experiments (1985)
0.00
0.0036646193 = product of:
0.0073292386 = sum of:
0.0073292386 = product of:
0.014658477 = sum of:
0.014658477 = weight(_text_:d in 114) [ClassicSimilarity], result of:
0.014658477 = score(doc=114,freq=2.0), product of:
0.08729101 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045945734 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- d
