Lin, W.; Yueh, H.-P.; Wu, H.-Y.; Fu, L.-C.: Developing a service robot for a children's library : a design-based research approach (2014)
0.03
0.027710166 = product of:
0.05542033 = sum of:
0.05542033 = product of:
0.083130494 = sum of:
0.04795124 = weight(_text_:c in 1198) [ClassicSimilarity], result of:
0.04795124 = score(doc=1198,freq=2.0), product of:
0.20970045 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.06079322 = queryNorm
0.22866541 = fieldWeight in 1198, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.046875 = fieldNorm(doc=1198)
0.035179254 = weight(_text_:h in 1198) [ClassicSimilarity], result of:
0.035179254 = score(doc=1198,freq=4.0), product of:
0.15103766 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.06079322 = queryNorm
0.2329171 = fieldWeight in 1198, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.046875 = fieldNorm(doc=1198)
0.6666667 = coord(2/3)
0.5 = coord(1/2)