Perzylo, L.; Oliver, R.: ¬An investigation of children's use of a multimedia CD-ROM product for information retrieval (1992)
0.01
0.011965062 = product of:
0.029912654 = sum of:
0.013855151 = weight(_text_:a in 420) [ClassicSimilarity], result of:
0.013855151 = score(doc=420,freq=4.0), product of:
0.054930832 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.047639716 = queryNorm
0.25222903 = fieldWeight in 420, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.109375 = fieldNorm(doc=420)
0.016057502 = product of:
0.032115005 = sum of:
0.032115005 = weight(_text_:information in 420) [ClassicSimilarity], result of:
0.032115005 = score(doc=420,freq=4.0), product of:
0.08363047 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047639716 = queryNorm
0.3840108 = fieldWeight in 420, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.109375 = fieldNorm(doc=420)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Source
- Microcomputers for information management. 9(1992) no.4, S.225-240
- Type
- a
Oliver, R.; Perzylo, L.: Children's information skills : making effective use of multimedia sources (1994)
0.01
0.009669229 = product of:
0.024173073 = sum of:
0.0111966515 = weight(_text_:a in 1718) [ClassicSimilarity], result of:
0.0111966515 = score(doc=1718,freq=2.0), product of:
0.054930832 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.047639716 = queryNorm
0.20383182 = fieldWeight in 1718, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.125 = fieldNorm(doc=1718)
0.012976421 = product of:
0.025952842 = sum of:
0.025952842 = weight(_text_:information in 1718) [ClassicSimilarity], result of:
0.025952842 = score(doc=1718,freq=2.0), product of:
0.08363047 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047639716 = queryNorm
0.3103276 = fieldWeight in 1718, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.125 = fieldNorm(doc=1718)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Type
- a