Liu, X.; Jia, H.: Answering academic questions for education by recommending cyberlearning resources (2013)
0.00
9.7325526E-4 = product of:
0.0058395313 = sum of:
0.0058395313 = product of:
0.029197656 = sum of:
0.029197656 = weight(_text_:28 in 1012) [ClassicSimilarity], result of:
0.029197656 = score(doc=1012,freq=2.0), product of:
0.122951604 = queryWeight, product of:
3.5822632 = idf(docFreq=3342, maxDocs=44218)
0.034322325 = queryNorm
0.23747274 = fieldWeight in 1012, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5822632 = idf(docFreq=3342, maxDocs=44218)
0.046875 = fieldNorm(doc=1012)
0.2 = coord(1/5)
0.16666667 = coord(1/6)
- Date
- 28. 7.2013 13:52:25