-
Liu, X.; Jia, H.: Answering academic questions for education by recommending cyberlearning resources (2013)
0.00
0.004687378 = product of:
0.009374756 = sum of:
0.009374756 = product of:
0.018749513 = sum of:
0.018749513 = weight(_text_:h in 1012) [ClassicSimilarity], result of:
0.018749513 = score(doc=1012,freq=2.0), product of:
0.113842286 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045821942 = queryNorm
0.16469726 = fieldWeight in 1012, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.046875 = fieldNorm(doc=1012)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Liu, X.; Turtle, H.: Real-time user interest modeling for real-time ranking (2013)
0.00
0.004687378 = product of:
0.009374756 = sum of:
0.009374756 = product of:
0.018749513 = sum of:
0.018749513 = weight(_text_:h in 1035) [ClassicSimilarity], result of:
0.018749513 = score(doc=1035,freq=2.0), product of:
0.113842286 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045821942 = queryNorm
0.16469726 = fieldWeight in 1035, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.046875 = fieldNorm(doc=1035)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Liu, X.; Kaza, S.; Zhang, P.; Chen, H.: Determining inventor status and its effect on knowledge diffusion : a study on nanotechnology literature from China, Russia, and India (2011)
0.00
0.0039061487 = product of:
0.0078122974 = sum of:
0.0078122974 = product of:
0.015624595 = sum of:
0.015624595 = weight(_text_:h in 4468) [ClassicSimilarity], result of:
0.015624595 = score(doc=4468,freq=2.0), product of:
0.113842286 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045821942 = queryNorm
0.13724773 = fieldWeight in 4468, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0390625 = fieldNorm(doc=4468)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Liu, X.; Zheng, W.; Fang, H.: ¬An exploration of ranking models and feedback method for related entity finding (2013)
0.00
0.0039061487 = product of:
0.0078122974 = sum of:
0.0078122974 = product of:
0.015624595 = sum of:
0.015624595 = weight(_text_:h in 2714) [ClassicSimilarity], result of:
0.015624595 = score(doc=2714,freq=2.0), product of:
0.113842286 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045821942 = queryNorm
0.13724773 = fieldWeight in 2714, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0390625 = fieldNorm(doc=2714)
0.5 = coord(1/2)
0.5 = coord(1/2)