Underwood, P.G.; Hartley, R.J.: ¬The basics of data management for information services (1993)
0.00
0.0029951772 = product of:
0.017971063 = sum of:
0.017971063 = weight(_text_:information in 3429) [ClassicSimilarity], result of:
0.017971063 = score(doc=3429,freq=2.0), product of:
0.0772133 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.043984205 = queryNorm
0.23274569 = fieldWeight in 3429, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=3429)
0.16666667 = coord(1/6)