-
Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : Il. An evaluation by undergraduates (2003)
0.01
0.014178077 = product of:
0.04253423 = sum of:
0.03788 = weight(_text_:suchmaschinen in 2117) [ClassicSimilarity], result of:
0.03788 = score(doc=2117,freq=2.0), product of:
0.15347718 = queryWeight, product of:
4.4677734 = idf(docFreq=1378, maxDocs=44218)
0.03435205 = queryNorm
0.24681194 = fieldWeight in 2117, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.4677734 = idf(docFreq=1378, maxDocs=44218)
0.0390625 = fieldNorm(doc=2117)
0.0046542287 = product of:
0.023271143 = sum of:
0.023271143 = weight(_text_:22 in 2117) [ClassicSimilarity], result of:
0.023271143 = score(doc=2117,freq=2.0), product of:
0.120295025 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03435205 = queryNorm
0.19345059 = fieldWeight in 2117, 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=2117)
0.2 = coord(1/5)
0.33333334 = coord(2/6)
- Date
- 24. 1.2004 18:27:22
- Theme
- Suchmaschinen
-
Su, L.T.; Chen, H.L.: Evaluation of Web search engines by undergraduate students (1999)
0.01
0.011353727 = product of:
0.034061182 = sum of:
0.030304 = weight(_text_:suchmaschinen in 6546) [ClassicSimilarity], result of:
0.030304 = score(doc=6546,freq=2.0), product of:
0.15347718 = queryWeight, product of:
4.4677734 = idf(docFreq=1378, maxDocs=44218)
0.03435205 = queryNorm
0.19744955 = fieldWeight in 6546, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.4677734 = idf(docFreq=1378, maxDocs=44218)
0.03125 = fieldNorm(doc=6546)
0.003757181 = product of:
0.018785905 = sum of:
0.018785905 = weight(_text_:29 in 6546) [ClassicSimilarity], result of:
0.018785905 = score(doc=6546,freq=2.0), product of:
0.12083977 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.03435205 = queryNorm
0.15546128 = fieldWeight in 6546, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.03125 = fieldNorm(doc=6546)
0.2 = coord(1/5)
0.33333334 = coord(2/6)
- Date
- 29. 9.2001 20:39:10
- Theme
- Suchmaschinen
-
Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : I. Theory and background (2003)
0.01
0.0063133333 = product of:
0.03788 = sum of:
0.03788 = weight(_text_:suchmaschinen in 5164) [ClassicSimilarity], result of:
0.03788 = score(doc=5164,freq=2.0), product of:
0.15347718 = queryWeight, product of:
4.4677734 = idf(docFreq=1378, maxDocs=44218)
0.03435205 = queryNorm
0.24681194 = fieldWeight in 5164, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.4677734 = idf(docFreq=1378, maxDocs=44218)
0.0390625 = fieldNorm(doc=5164)
0.16666667 = coord(1/6)
- Theme
- Suchmaschinen