Ballard, T.; Smith, J.: ¬The human interface : an ongoing study of OPAC usage at Adelphi University (1992)
0.00
8.5864164E-4 = product of:
0.012879624 = sum of:
0.012879624 = product of:
0.025759248 = sum of:
0.025759248 = weight(_text_:online in 1590) [ClassicSimilarity], result of:
0.025759248 = score(doc=1590,freq=2.0), product of:
0.096027054 = queryWeight, product of:
3.0349014 = idf(docFreq=5778, maxDocs=44218)
0.031640913 = queryNorm
0.2682499 = fieldWeight in 1590, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.0349014 = idf(docFreq=5778, maxDocs=44218)
0.0625 = fieldNorm(doc=1590)
0.5 = coord(1/2)
0.06666667 = coord(1/15)
- Source
- Advances in online public access catalogs. 1(1992)
