Hu, X.; Rousseau, R.; Chen, J.: ¬A new approach for measuring the value of patents based on structural indicators for ego patent citation networks (2012)
0.01
0.01027389 = product of:
0.02054778 = sum of:
0.02054778 = product of:
0.061643336 = sum of:
0.061643336 = weight(_text_:x in 445) [ClassicSimilarity], result of:
0.061643336 = score(doc=445,freq=2.0), product of:
0.18875335 = queryWeight, product of:
4.2226825 = idf(docFreq=1761, maxDocs=44218)
0.04469987 = queryNorm
0.32658142 = fieldWeight in 445, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.2226825 = idf(docFreq=1761, maxDocs=44218)
0.0546875 = fieldNorm(doc=445)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
