Yushiana, M.; Rani, W.A.: Heuristic evaluation of interface usability for a web-based OPAC (2007)
0.02
0.023902256 = product of:
0.047804512 = sum of:
0.047804512 = product of:
0.095609024 = sum of:
0.095609024 = weight(_text_:2007 in 2597) [ClassicSimilarity], result of:
0.095609024 = score(doc=2597,freq=5.0), product of:
0.20205033 = queryWeight, product of:
4.514535 = idf(docFreq=1315, maxDocs=44218)
0.044755515 = queryNorm
0.47319412 = fieldWeight in 2597, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
4.514535 = idf(docFreq=1315, maxDocs=44218)
0.046875 = fieldNorm(doc=2597)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Library hi tech. 25(2007) no.4, S.538-549
- Year
- 2007