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)
0.01
0.014195283 = product of:
0.070976414 = sum of:
0.070976414 = sum of:
0.025260588 = weight(_text_:h in 1198) [ClassicSimilarity], result of:
0.025260588 = score(doc=1198,freq=4.0), product of:
0.108453125 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.043652784 = 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)
0.045715824 = weight(_text_:l in 1198) [ClassicSimilarity], result of:
0.045715824 = score(doc=1198,freq=2.0), product of:
0.17350465 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.043652784 = queryNorm
0.26348472 = fieldWeight in 1198, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=1198)
0.2 = coord(1/5)