-
Ellis, D.: ¬A behavioral model for information retrieval system design (1989)
0.01
0.010109002 = product of:
0.07076301 = sum of:
0.022830293 = weight(_text_:information in 2707) [ClassicSimilarity], result of:
0.022830293 = score(doc=2707,freq=4.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.43886948 = fieldWeight in 2707, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.125 = fieldNorm(doc=2707)
0.047932718 = weight(_text_:retrieval in 2707) [ClassicSimilarity], result of:
0.047932718 = score(doc=2707,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.5347345 = fieldWeight in 2707, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.125 = fieldNorm(doc=2707)
0.14285715 = coord(2/14)
- Source
- Journal of information science. 15(1989) no.4, S.237-247
-
Ellis, D.: Theory and explanation in information retrieval research (1984)
0.01
0.010109002 = product of:
0.07076301 = sum of:
0.022830293 = weight(_text_:information in 5337) [ClassicSimilarity], result of:
0.022830293 = score(doc=5337,freq=4.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.43886948 = fieldWeight in 5337, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.125 = fieldNorm(doc=5337)
0.047932718 = weight(_text_:retrieval in 5337) [ClassicSimilarity], result of:
0.047932718 = score(doc=5337,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.5347345 = fieldWeight in 5337, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.125 = fieldNorm(doc=5337)
0.14285715 = coord(2/14)
- Source
- Journal of information science. 8(1984), S.25-38
-
Ellis, D.: ¬A behavioral approach to information system design (1989)
0.00
0.0011531039 = product of:
0.016143454 = sum of:
0.016143454 = weight(_text_:information in 2706) [ClassicSimilarity], result of:
0.016143454 = score(doc=2706,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.3103276 = fieldWeight in 2706, 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=2706)
0.071428575 = coord(1/14)
