-
Kay, M.; Sparck Jones, K.: Automated language processing (1971)
0.01
0.007062511 = product of:
0.028250044 = sum of:
0.028250044 = product of:
0.08475013 = sum of:
0.08475013 = weight(_text_:k in 250) [ClassicSimilarity], result of:
0.08475013 = score(doc=250,freq=2.0), product of:
0.13429943 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.037621226 = queryNorm
0.63105357 = fieldWeight in 250, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.125 = fieldNorm(doc=250)
0.33333334 = coord(1/3)
0.25 = coord(1/4)
-
Lewis, D.D.; Sparck Jones, K.: Natural language processing for information retrieval (1996)
0.01
0.0061796973 = product of:
0.02471879 = sum of:
0.02471879 = product of:
0.07415637 = sum of:
0.07415637 = weight(_text_:k in 4144) [ClassicSimilarity], result of:
0.07415637 = score(doc=4144,freq=2.0), product of:
0.13429943 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.037621226 = queryNorm
0.5521719 = fieldWeight in 4144, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.109375 = fieldNorm(doc=4144)
0.33333334 = coord(1/3)
0.25 = coord(1/4)
-
Robertson, S.E.; Sparck Jones, K.: Relevance weighting of search terms (1976)
0.00
0.0035312555 = product of:
0.014125022 = sum of:
0.014125022 = product of:
0.042375065 = sum of:
0.042375065 = weight(_text_:k in 71) [ClassicSimilarity], result of:
0.042375065 = score(doc=71,freq=2.0), product of:
0.13429943 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.037621226 = queryNorm
0.31552678 = fieldWeight in 71, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0625 = fieldNorm(doc=71)
0.33333334 = coord(1/3)
0.25 = coord(1/4)
-
Lewis, D.D.; Sparck Jones, K.: Natural language processing for information retrieval (1997)
0.00
0.0035312555 = product of:
0.014125022 = sum of:
0.014125022 = product of:
0.042375065 = sum of:
0.042375065 = weight(_text_:k in 575) [ClassicSimilarity], result of:
0.042375065 = score(doc=575,freq=2.0), product of:
0.13429943 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.037621226 = queryNorm
0.31552678 = fieldWeight in 575, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0625 = fieldNorm(doc=575)
0.33333334 = coord(1/3)
0.25 = coord(1/4)
-
Needham, R.M.; Sparck Jones, K.: Keywords and clumps (1985)
0.00
0.0015449243 = product of:
0.0061796973 = sum of:
0.0061796973 = product of:
0.018539092 = sum of:
0.018539092 = weight(_text_:k in 3645) [ClassicSimilarity], result of:
0.018539092 = score(doc=3645,freq=2.0), product of:
0.13429943 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.037621226 = queryNorm
0.13804297 = fieldWeight in 3645, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.02734375 = fieldNorm(doc=3645)
0.33333334 = coord(1/3)
0.25 = coord(1/4)