Strzalkowski, T.; Guthrie, L.; Karlgren, J.; Leistensnider, J.; Lin, F.; Perez-Carballo, J.; Straszheim, T.; Wang, J.; Wilding, J.: Natural language information retrieval : TREC-5 report (1997)
0.01
0.013506081 = product of:
0.027012162 = sum of:
0.027012162 = product of:
0.054024324 = sum of:
0.054024324 = weight(_text_:u in 3100) [ClassicSimilarity], result of:
0.054024324 = score(doc=3100,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.3617784 = fieldWeight in 3100, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.078125 = fieldNorm(doc=3100)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman