Lancaster, F.W.; Ulvila, J.W.; Humphrey, S.M.; Smith, L.C.; Allen, B.; Herner, S.: Evaluation of interactive knowledge-based systems : overview and design for empirical testing (1996)
0.01
0.006784515 = product of:
0.04070709 = sum of:
0.04070709 = weight(_text_:b in 3000) [ClassicSimilarity], result of:
0.04070709 = score(doc=3000,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.27401197 = fieldWeight in 3000, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0546875 = fieldNorm(doc=3000)
0.16666667 = coord(1/6)
