Oliver, R.; Perzylo, L.: Children's information skills : making effective use of multimedia sources (1994)
0.02
0.017397657 = product of:
0.043494143 = sum of:
0.027183838 = product of:
0.081551515 = sum of:
0.081551515 = weight(_text_:l in 1718) [ClassicSimilarity], result of:
0.081551515 = score(doc=1718,freq=2.0), product of:
0.116066754 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.029201737 = queryNorm
0.70262593 = fieldWeight in 1718, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.125 = fieldNorm(doc=1718)
0.33333334 = coord(1/3)
0.016310303 = product of:
0.081551515 = sum of:
0.081551515 = weight(_text_:l in 1718) [ClassicSimilarity], result of:
0.081551515 = score(doc=1718,freq=2.0), product of:
0.116066754 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.029201737 = queryNorm
0.70262593 = fieldWeight in 1718, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.125 = fieldNorm(doc=1718)
0.2 = coord(1/5)
0.4 = coord(2/5)
Perzylo, L.; Oliver, R.: ¬An investigation of children's use of a multimedia CD-ROM product for information retrieval (1992)
0.02
0.015222951 = product of:
0.038057376 = sum of:
0.02378586 = product of:
0.07135758 = sum of:
0.07135758 = weight(_text_:l in 420) [ClassicSimilarity], result of:
0.07135758 = score(doc=420,freq=2.0), product of:
0.116066754 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.029201737 = queryNorm
0.6147977 = fieldWeight in 420, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.109375 = fieldNorm(doc=420)
0.33333334 = coord(1/3)
0.014271515 = product of:
0.07135758 = sum of:
0.07135758 = weight(_text_:l in 420) [ClassicSimilarity], result of:
0.07135758 = score(doc=420,freq=2.0), product of:
0.116066754 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.029201737 = queryNorm
0.6147977 = fieldWeight in 420, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.109375 = fieldNorm(doc=420)
0.2 = coord(1/5)
0.4 = coord(2/5)