Pomerantz, J.; Nicholson, S.; Belanger, Y.; Lankes, R.D.: ¬The current state of digital reference : validation of a general digital reference model through a survey of digital reference services (2004)
0.01
0.0064184438 = product of:
0.01925533 = sum of:
0.01925533 = product of:
0.03851066 = sum of:
0.03851066 = weight(_text_:management in 2562) [ClassicSimilarity], result of:
0.03851066 = score(doc=2562,freq=2.0), product of:
0.17235184 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.051133685 = queryNorm
0.22344214 = fieldWeight in 2562, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.046875 = fieldNorm(doc=2562)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Source
- Information processing and management. 40(2004) no.2, S.347-363