全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Weizhong Zhao , James J Chen , Roger Perkins ...
来源:[J].BMC Bioinformatics(IF 3.024), 2015, Vol.16 (13)Springer
摘要:Abstract(#br) Background(#br)Topic modelling is an active research field in machine learning. While mainly used to build models from unstructured textual data, it offers an effective means of data mining where samples represent documents, and different biological endpoints or omi...
作者:Takeru Yokoi
来源:[J].Electronics and Communications in Japan(IF 0.178), 2013, Vol.96 (8), pp.50-58Wiley
摘要:SUMMARY(#br)We propose here a novel approach to exploring an optimized number of topics in a document set using consensus clustering based on nonnegative matrix factorization ( NMF ). It is useful to automatically determine the number of topics in a document set because various ...
作者:QingQiang Wu , CaiDong Zhang , XinYing An
来源:[J].Journal of Information Science(IF 1.238), 2013, Vol.39 (3), pp.319-332Sage国际出版集团
摘要:This paper describes the application of co-occurrence and latent Dirichlet allocation (LDA)-based topic analyses in stem cell-related literature research. On account of the deficiency of parameter estimation in LDA, this study integrated co-occurrence theory and clustering judgem...
作者:赵亮
来源:[D].哈尔滨工业大学  2018CNKI
摘要:...In the process of dealing with the text information,the problem of topic model occupies a decisive position.In an effective topic model,the massive texts can be applied in the fileds of news recommendation,intelligent dialogue,information retrieval and others,playing a corresp...
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作者:王晓斌 , 温春 , 石昭祥
来源:[J].计算机工程, 2009, (07), pp.183-185CNKI
摘要:特定领域的主题识别和关键词提取有着广泛的应用,但通过人工指定识别或文本聚类自动生成的主题类别缺乏客观的度量方法。该文结合基于BIC准则的模型选择理论和独立分量分析技术对主题的数量进行概率估计...
被引频次:4下载频次:289
作者:杨星 , 李保利 , 金明举
来源:[J].计算机技术与发展, 2012, (10), pp.66-69+74CNKI
摘要:随着研究的不断深入以及信息传播手段的进步,与某个研究领域相关的科学文献越来越多,也越来越容易得到,然而要阅读和分析这些数以千计的文献,仅凭人力已经难于实现对该领域研究重点、研究热点以及趋势进...
被引频次:4下载频次:185
作者:Wenyu zhang
来源:[C].The 8th Yellow Sea Rim International Exchange Meeting on Building Environmental and Energy(YSRIM 2013)2013CNKI
摘要:Expounded the contents and significance of building energy efficiency evaluation,through the actual cases to discuss energy efficiency evaluation methods and techniques include building energy and renewable energy assessment.Finally,summed up the problems in the evaluation.
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作者:Zhang Yunyan , Wu Xiaoli
来源:[C].2018 2nd International Conference on Economic Development and Education Management (ICEDEM 2018)2018CNKI
摘要:This paper discusses the telecom control in Northeast China during the Puppet Manchukuo. Telecom construction in the northeast was more rapidly developed than they were in the past for war and its ruling policy. Before 1937, Japan had been strengthening control over telecom in th...
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作者:Sun Jingqi , Guo Jia
来源:[C].2019 International Conference on Education,Economics,Humanities and Social Sciences(ICEEHSS 2019)2019CNKI
摘要:The cultivation of craftsmanship under the modern apprenticeship system is in response to the need of "Made in China 2025" for high-tech skilled talents and is an important way to realize the function of modern apprenticeship technology transfer and cultural communication.The cul...
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作者:张自胜
来源:[J].海外英语, 2012, (20), pp.275-276CNKI
摘要:...The taboos refer to some topics,words and language factors that can not or is not suitable in certain cases.There are lots of language taboos in both Chinese and English.As the two languages are studied and taught in the two countries,people find the differences between Chines...
被引频次:-下载频次:440

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