-
Oppenheim, C.: Electronic scholarly publishing and open access (2009)
0.02
0.021857034 = product of:
0.04371407 = sum of:
0.04371407 = sum of:
0.006302999 = weight(_text_:e in 3662) [ClassicSimilarity], result of:
0.006302999 = score(doc=3662,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 3662, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=3662)
0.03741107 = weight(_text_:22 in 3662) [ClassicSimilarity], result of:
0.03741107 = score(doc=3662,freq=2.0), product of:
0.1611569 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04602077 = queryNorm
0.23214069 = fieldWeight in 3662, 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=3662)
0.5 = coord(1/2)
- Date
- 8. 7.2010 19:22:45
- Language
- e
-
Ahmed, S.M.Z.; McKnight, C.; Oppenheim, C.: ¬A study of users' performance and satisfaction with the Web of Science IR interface : making sense of it all (2005)
0.00
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = product of:
0.012605998 = sum of:
0.012605998 = weight(_text_:e in 4656) [ClassicSimilarity], result of:
0.012605998 = score(doc=4656,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.19057012 = fieldWeight in 4656, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.09375 = fieldNorm(doc=4656)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Oppenheim, C.; Morris, A.; McKnight, C.: ¬The evaluation of WWW search engines (2000)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 4546) [ClassicSimilarity], result of:
0.006302999 = score(doc=4546,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 4546, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=4546)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Oppenheim, C.; Stuart, D.: Is there a correlation between investment in an academic library and a higher education institution's ratings in the Research Assessment Exercise? (2004)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 668) [ClassicSimilarity], result of:
0.006302999 = score(doc=668,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 668, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=668)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Oppenheim, C.: Using the h-Index to rank influential British researchers in information science and librarianship (2007)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 780) [ClassicSimilarity], result of:
0.006302999 = score(doc=780,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 780, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=780)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Johnson, B.; Oppenheim, C.: How socially connected are citers to those that they cite? (2007)
0.00
0.0013131249 = product of:
0.0026262498 = sum of:
0.0026262498 = product of:
0.0052524996 = sum of:
0.0052524996 = weight(_text_:e in 839) [ClassicSimilarity], result of:
0.0052524996 = score(doc=839,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.07940422 = fieldWeight in 839, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0390625 = fieldNorm(doc=839)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Norris, M.; Oppenheim, C.; Rowland, F.: ¬The citation advantage of open-access articles (2008)
0.00
0.0013131249 = product of:
0.0026262498 = sum of:
0.0026262498 = product of:
0.0052524996 = sum of:
0.0052524996 = weight(_text_:e in 2374) [ClassicSimilarity], result of:
0.0052524996 = score(doc=2374,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.07940422 = fieldWeight in 2374, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0390625 = fieldNorm(doc=2374)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Cross, C.; Oppenheim, C.: ¬A genre analysis of scientific abstracts (2006)
0.00
0.0010504998 = product of:
0.0021009997 = sum of:
0.0021009997 = product of:
0.0042019994 = sum of:
0.0042019994 = weight(_text_:e in 5603) [ClassicSimilarity], result of:
0.0042019994 = score(doc=5603,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.063523374 = fieldWeight in 5603, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03125 = fieldNorm(doc=5603)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Zuccala, A.; Thelwall, M.; Oppenheim, C.; Dhiensa, R.: Web intelligence analyses of digital libraries : a case study of the National electronic Library for Health (NeLH) (2007)
0.00
0.0010504998 = product of:
0.0021009997 = sum of:
0.0021009997 = product of:
0.0042019994 = sum of:
0.0042019994 = weight(_text_:e in 838) [ClassicSimilarity], result of:
0.0042019994 = score(doc=838,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.063523374 = fieldWeight in 838, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03125 = fieldNorm(doc=838)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e