Sacchanand, C.; Jaroenpuntaruk, V.: Development of a web-based self-training package for information retrieval using the distance education approach (2006)
0.00
0.0048355605 = product of:
0.019342242 = sum of:
0.019342242 = weight(_text_:information in 651) [ClassicSimilarity], result of:
0.019342242 = score(doc=651,freq=2.0), product of:
0.08310462 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047340166 = queryNorm
0.23274569 = fieldWeight in 651, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=651)
0.25 = coord(1/4)