Lee, J.-H.; Park, S.; Ahn, C.-M.; Kim, D.: Automatic generic document summarization based on non-negative matrix factorization (2009)
0.03
0.029138764 = product of:
0.07284691 = sum of:
0.010793387 = product of:
0.021586774 = sum of:
0.021586774 = weight(_text_:h in 2448) [ClassicSimilarity], result of:
0.021586774 = score(doc=2448,freq=2.0), product of:
0.11234521 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045219366 = queryNorm
0.19214681 = fieldWeight in 2448, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0546875 = fieldNorm(doc=2448)
0.5 = coord(1/2)
0.062053528 = product of:
0.124107055 = sum of:
0.124107055 = weight(_text_:lee in 2448) [ClassicSimilarity], result of:
0.124107055 = score(doc=2448,freq=2.0), product of:
0.269376 = queryWeight, product of:
5.957094 = idf(docFreq=310, maxDocs=44218)
0.045219366 = queryNorm
0.4607205 = fieldWeight in 2448, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.957094 = idf(docFreq=310, maxDocs=44218)
0.0546875 = fieldNorm(doc=2448)
0.5 = coord(1/2)
0.4 = coord(2/5)
