Ramesh Babu, B.; O'Brien, A.: Web OPAC interfaces : an overview (2000)
0.02
0.020001557 = product of:
0.040003113 = sum of:
0.040003113 = product of:
0.08000623 = sum of:
0.08000623 = weight(_text_:b in 768) [ClassicSimilarity], result of:
0.08000623 = score(doc=768,freq=2.0), product of:
0.14599039 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041205745 = queryNorm
0.54802394 = fieldWeight in 768, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.109375 = fieldNorm(doc=768)
0.5 = coord(1/2)
0.5 = coord(1/2)