Burnett, M.; Jones, R.; Pape, L.: InTEXT automatic query enhancements in TREC-5 (1997)
0.04
0.044655174 = product of:
0.111637935 = sum of:
0.06428149 = weight(_text_:u in 3091) [ClassicSimilarity], result of:
0.06428149 = score(doc=3091,freq=2.0), product of:
0.1480683 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045219366 = queryNorm
0.43413407 = fieldWeight in 3091, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.09375 = fieldNorm(doc=3091)
0.04735644 = product of:
0.09471288 = sum of:
0.09471288 = weight(_text_:l in 3091) [ClassicSimilarity], result of:
0.09471288 = score(doc=3091,freq=2.0), product of:
0.17973126 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045219366 = queryNorm
0.52696943 = fieldWeight in 3091, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.09375 = fieldNorm(doc=3091)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Source
- The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman