Taghva, K.; Borsack, J.; Nartker, T.; Condit, A.: ¬The role of manually-assigned keywords in query expansion (2004)
0.00
0.0030898487 = product of:
0.012359395 = sum of:
0.012359395 = product of:
0.037078183 = sum of:
0.037078183 = weight(_text_:k in 2567) [ClassicSimilarity], result of:
0.037078183 = score(doc=2567,freq=2.0), product of:
0.13429943 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.037621226 = queryNorm
0.27608594 = fieldWeight in 2567, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0546875 = fieldNorm(doc=2567)
0.33333334 = coord(1/3)
0.25 = coord(1/4)