Nicholas, D.; Huntington, P.; Gunter, B.; Withey, R.; Russell, C.: ¬The British and their use of the Web for health information and advice : a survey (2003)
0.01
0.006052979 = product of:
0.030264894 = sum of:
0.030264894 = weight(_text_:r in 680) [ClassicSimilarity], result of:
0.030264894 = score(doc=680,freq=2.0), product of:
0.13791801 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.041663818 = queryNorm
0.2194412 = fieldWeight in 680, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.046875 = fieldNorm(doc=680)
0.2 = coord(1/5)