-
Bar-Ilan, J.: Methods for measuring search engine performance over time (2002)
0.00
0.0024392686 = product of:
0.012196342 = sum of:
0.012196342 = product of:
0.036589026 = sum of:
0.036589026 = weight(_text_:29 in 305) [ClassicSimilarity], result of:
0.036589026 = score(doc=305,freq=2.0), product of:
0.1176789 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.033453487 = queryNorm
0.31092256 = fieldWeight in 305, 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=305)
0.33333334 = coord(1/3)
0.2 = coord(1/5)
- Date
- 23. 3.2002 9:50:29
-
Bar-Ilan, J.: ¬The use of Web search engines in information science research (2003)
0.00
0.0018294513 = product of:
0.009147257 = sum of:
0.009147257 = product of:
0.02744177 = sum of:
0.02744177 = weight(_text_:29 in 4271) [ClassicSimilarity], result of:
0.02744177 = score(doc=4271,freq=2.0), product of:
0.1176789 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.033453487 = queryNorm
0.23319192 = fieldWeight in 4271, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.046875 = fieldNorm(doc=4271)
0.33333334 = coord(1/3)
0.2 = coord(1/5)
- Date
- 23.10.2005 18:29:16
-
Bar-Ilan, J.: Comparing rankings of search results on the Web (2005)
0.00
0.0015245428 = product of:
0.007622714 = sum of:
0.007622714 = product of:
0.022868142 = sum of:
0.022868142 = weight(_text_:29 in 1068) [ClassicSimilarity], result of:
0.022868142 = score(doc=1068,freq=2.0), product of:
0.1176789 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.033453487 = queryNorm
0.19432661 = fieldWeight in 1068, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0390625 = fieldNorm(doc=1068)
0.33333334 = coord(1/3)
0.2 = coord(1/5)
- Date
- 27.12.2007 17:29:21