Shoffner, M.; Greenberg, J.; Kramer-Duffield, J.; Woodbury, D.: Web 2.0 semantic systems : collaborative learning in science (2008)
0.02
0.016114645 = product of:
0.03222929 = sum of:
0.03222929 = sum of:
0.0073292386 = weight(_text_:d in 2661) [ClassicSimilarity], result of:
0.0073292386 = score(doc=2661,freq=2.0), product of:
0.08729101 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045945734 = queryNorm
0.08396327 = fieldWeight in 2661, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.03125 = fieldNorm(doc=2661)
0.024900049 = weight(_text_:22 in 2661) [ClassicSimilarity], result of:
0.024900049 = score(doc=2661,freq=2.0), product of:
0.16089413 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045945734 = queryNorm
0.15476047 = fieldWeight in 2661, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03125 = fieldNorm(doc=2661)
0.5 = coord(1/2)
- Source
- Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas