-
Hernon, P.; McClure, C.R.: Quality of data issues in unobtrusive testing of library reference service : recommendations and strategies (1987)
0.01
0.008234787 = product of:
0.020586967 = sum of:
0.009535614 = weight(_text_:a in 5838) [ClassicSimilarity], result of:
0.009535614 = score(doc=5838,freq=2.0), product of:
0.053464882 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.046368346 = queryNorm
0.17835285 = fieldWeight in 5838, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.109375 = fieldNorm(doc=5838)
0.011051352 = product of:
0.022102704 = sum of:
0.022102704 = weight(_text_:information in 5838) [ClassicSimilarity], result of:
0.022102704 = score(doc=5838,freq=2.0), product of:
0.08139861 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046368346 = queryNorm
0.27153665 = fieldWeight in 5838, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.109375 = fieldNorm(doc=5838)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Source
- Library and information science research. 9(1987), S.77-93
- Type
- a
-
Hernon, P.; McClure, C.R.: Library reference service : an unrecognized crisis - a symposium (1987)
0.00
0.003082376 = product of:
0.01541188 = sum of:
0.01541188 = weight(_text_:a in 4612) [ClassicSimilarity], result of:
0.01541188 = score(doc=4612,freq=4.0), product of:
0.053464882 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.046368346 = queryNorm
0.28826174 = fieldWeight in 4612, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.125 = fieldNorm(doc=4612)
0.2 = coord(1/5)
- Type
- a
-
Hernon, P.: Utility measures, not performance measures, for library reference service? (1987)
0.00
0.0021795689 = product of:
0.010897844 = sum of:
0.010897844 = weight(_text_:a in 5837) [ClassicSimilarity], result of:
0.010897844 = score(doc=5837,freq=2.0), product of:
0.053464882 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.046368346 = queryNorm
0.20383182 = fieldWeight in 5837, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.125 = fieldNorm(doc=5837)
0.2 = coord(1/5)
- Type
- a
-
Hernon, P.; McClure, C.R.: Unobtrusive reference testing : the 55 percent rule (1986)
0.00
0.0021795689 = product of:
0.010897844 = sum of:
0.010897844 = weight(_text_:a in 5839) [ClassicSimilarity], result of:
0.010897844 = score(doc=5839,freq=2.0), product of:
0.053464882 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.046368346 = queryNorm
0.20383182 = fieldWeight in 5839, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.125 = fieldNorm(doc=5839)
0.2 = coord(1/5)
- Type
- a