McLean, S.; Spring, M.B.; Rasmussen, E.; Williams, J.G.: Online image databases : usabiblity and performance (1995)
0.02
0.019777425 = product of:
0.059332274 = sum of:
0.059332274 = weight(_text_:electronic in 1192) [ClassicSimilarity], result of:
0.059332274 = score(doc=1192,freq=2.0), product of:
0.19623034 = queryWeight, product of:
3.9095051 = idf(docFreq=2409, maxDocs=44218)
0.05019314 = queryNorm
0.30236036 = fieldWeight in 1192, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9095051 = idf(docFreq=2409, maxDocs=44218)
0.0546875 = fieldNorm(doc=1192)
0.33333334 = coord(1/3)
- Source
- Electronic library. 13(1995) no.1, S.27-41
