-
Marcum, D.B.: ¬The preservation of digital information (1996)
0.03
0.027370533 = product of:
0.054741066 = sum of:
0.054741066 = sum of:
0.004812876 = weight(_text_:s in 443) [ClassicSimilarity], result of:
0.004812876 = score(doc=443,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 443, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=443)
0.04992819 = weight(_text_:22 in 443) [ClassicSimilarity], result of:
0.04992819 = score(doc=443,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = queryNorm
0.30952093 = fieldWeight in 443, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=443)
0.5 = coord(1/2)
- Source
- Journal of academic librarianship. 22(1996) no.6, S.451-454
-
Marcum, D.B.: ¬The future of cataloging (2006)
0.01
0.010921791 = product of:
0.021843582 = sum of:
0.021843582 = product of:
0.043687165 = sum of:
0.043687165 = weight(_text_:22 in 114) [ClassicSimilarity], result of:
0.043687165 = score(doc=114,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = queryNorm
0.2708308 = fieldWeight in 114, 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=114)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 10. 9.2000 17:38:22
-
Marcum, D.B.: Digital libraries : For whom? For What? (1997)
0.00
0.0015040238 = product of:
0.0030080476 = sum of:
0.0030080476 = product of:
0.006016095 = sum of:
0.006016095 = weight(_text_:s in 1910) [ClassicSimilarity], result of:
0.006016095 = score(doc=1910,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.120123915 = fieldWeight in 1910, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=1910)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of academic librarianship. 23(1997) no.2, S.81-84
-
Marcum, D.B.: Research questions for the digital era library : research issues for academic librarians and users (2003)
0.00
9.0241426E-4 = product of:
0.0018048285 = sum of:
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = weight(_text_:s in 36) [ClassicSimilarity], result of:
0.003609657 = score(doc=36,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.072074346 = fieldWeight in 36, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=36)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Library trends. 51(2003) no.4, S.636-651