Yiqun, W.; Zhonghui, Z.; Li, Z.: Experimental study of machine factors and cognitive abilities of users (1998)
0.00
0.0015723729 = product of:
0.0047171186 = sum of:
0.0047171186 = weight(_text_:a in 5225) [ClassicSimilarity], result of:
0.0047171186 = score(doc=5225,freq=2.0), product of:
0.04628442 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.040140964 = queryNorm
0.10191591 = fieldWeight in 5225, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.0625 = fieldNorm(doc=5225)
0.33333334 = coord(1/3)
- Type
- a