Ding, W.; Marchionini, G.: ¬A comparative study of Web search service performance (1996)
0.01
0.0057248455 = product of:
0.040073916 = sum of:
0.029588435 = weight(_text_:web in 4807) [ClassicSimilarity], result of:
0.029588435 = score(doc=4807,freq=4.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.3059541 = fieldWeight in 4807, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.046875 = fieldNorm(doc=4807)
0.0104854815 = weight(_text_:information in 4807) [ClassicSimilarity], result of:
0.0104854815 = score(doc=4807,freq=6.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.20156369 = fieldWeight in 4807, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=4807)
0.14285715 = coord(2/14)
- Footnote
- Vgl.: Nicholson, S.: Raising reliability of Web search tools ... In: JASIS 51(2000) no.8, S.724-729
- Imprint
- Medford, NJ : Learned Information
- Source
- Global complexity: information, chaos and control. Proceedings of the 59th Annual Meeting of the American Society for Information Science, ASIS'96, Baltimore, Maryland, 21-24 Oct 1996. Ed.: S. Hardin