Stahl, G.: Group cognition : computer support for building collaborative knowledge (2006)
0.02
0.02287472 = product of:
0.09149888 = sum of:
0.09149888 = weight(_text_:assisted in 2391) [ClassicSimilarity], result of:
0.09149888 = score(doc=2391,freq=4.0), product of:
0.28895715 = queryWeight, product of:
6.7552447 = idf(docFreq=139, maxDocs=44218)
0.04277523 = queryNorm
0.3166521 = fieldWeight in 2391, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
6.7552447 = idf(docFreq=139, maxDocs=44218)
0.0234375 = fieldNorm(doc=2391)
0.25 = coord(1/4)
- LCSH
- Computer / assisted instruction
- Subject
- Computer / assisted instruction