Chen, H.; Lally, A.M.; Zhu, B.; Chau, M.: HelpfulMed : Intelligent searching for medical information over the Internet (2003)
0.00
0.0048460825 = product of:
0.029076494 = sum of:
0.029076494 = weight(_text_:b in 1615) [ClassicSimilarity], result of:
0.029076494 = score(doc=1615,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.19572285 = fieldWeight in 1615, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0390625 = fieldNorm(doc=1615)
0.16666667 = coord(1/6)
