-
Tenopir, C.; Ennis, L.: ¬The digital reference work of academic libraries (1998)
0.04
0.038475007 = product of:
0.07695001 = sum of:
0.07695001 = sum of:
0.008191418 = weight(_text_:e in 5170) [ClassicSimilarity], result of:
0.008191418 = score(doc=5170,freq=2.0), product of:
0.07368642 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.05126476 = queryNorm
0.1111659 = fieldWeight in 5170, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=5170)
0.0687586 = weight(_text_:22 in 5170) [ClassicSimilarity], result of:
0.0687586 = score(doc=5170,freq=4.0), product of:
0.17952046 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05126476 = queryNorm
0.38301262 = fieldWeight in 5170, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=5170)
0.5 = coord(1/2)
- Language
- e
- Source
- Online. 22(1998) no.4, S.22-28
-
Tenopir, C.; Neufang, R.: ¬The impact of electronic reference on reference librarians (1992)
0.00
0.00468081 = product of:
0.00936162 = sum of:
0.00936162 = product of:
0.01872324 = sum of:
0.01872324 = weight(_text_:e in 6371) [ClassicSimilarity], result of:
0.01872324 = score(doc=6371,freq=2.0), product of:
0.07368642 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.05126476 = queryNorm
0.2540935 = fieldWeight in 6371, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=6371)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Tenopir, C.: Choices for electronic reference (1993)
0.00
0.0029255063 = product of:
0.0058510127 = sum of:
0.0058510127 = product of:
0.011702025 = sum of:
0.011702025 = weight(_text_:e in 6569) [ClassicSimilarity], result of:
0.011702025 = score(doc=6569,freq=2.0), product of:
0.07368642 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.05126476 = queryNorm
0.15880844 = fieldWeight in 6569, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.078125 = fieldNorm(doc=6569)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Tenopir, C.; Green, D.: Patterns of use and usage factors for online databases in academic and public libraries (1999)
0.00
0.0017553037 = product of:
0.0035106074 = sum of:
0.0035106074 = product of:
0.007021215 = sum of:
0.007021215 = weight(_text_:e in 6700) [ClassicSimilarity], result of:
0.007021215 = score(doc=6700,freq=2.0), product of:
0.07368642 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.05126476 = queryNorm
0.09528506 = fieldWeight in 6700, 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=6700)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e