1. IntroductionHumans have the ability (or competence) to think logically, and this is an undeniable fact. However,what this ability consists in is a difficult question. It might be said that logical ability consists ...1. IntroductionHumans have the ability (or competence) to think logically, and this is an undeniable fact. However,what this ability consists in is a difficult question. It might be said that logical ability consists in theknowledge of a set of logic rules. But what are those logic rules? For centuries logicians have devel-展开更多
随着网络上越来越多的人发表自己的观点,带有情绪的贴文也逐渐增多,负面情绪的累积可能导致舆论失控,准确地识别贴文的情感极性能有效分析舆论现状。目前方面级的情感分析尚未有效融合语法信息以及语义信息,无法同时考虑语法结构的互补...随着网络上越来越多的人发表自己的观点,带有情绪的贴文也逐渐增多,负面情绪的累积可能导致舆论失控,准确地识别贴文的情感极性能有效分析舆论现状。目前方面级的情感分析尚未有效融合语法信息以及语义信息,无法同时考虑语法结构的互补性和语义相关性。为此,提出了一个融合语法和语义的方面级情感分析模型(Aspect-level Sentiment Analysis Mo-dels Based on Syntax and Semantics,SS-GCN),包括语法分析模块、语义分析模块以及融合模块。首先将文本作为预训练BERT模型的输入,通过语法分析模块获得语法关联关系的特征表示,同时经由邻域增强机制的语义分析模块捕获语义的相关性的特征表示。最后把二者输入到融合模块,在仿射变换的作用下对语法信息和语义信息进行有效的交互和融合,实现方面级情感分析。展开更多
In order to deal with the complex association relationships between classes in an object-oriented software system,a novel approach for identifying refactoring opportunities is proposed.The approach can be used to dete...In order to deal with the complex association relationships between classes in an object-oriented software system,a novel approach for identifying refactoring opportunities is proposed.The approach can be used to detect complex and duplicated many-to-many association relationships in source code,and to provide guidance for further refactoring.In the approach,source code is first transformed to an abstract syntax tree from which all data members of each class are extracted,then each class is characterized in connection with a set of association classes saving its data members.Next,classes in common associations are obtained by comparing different association classes sets in integrated analysis.Finally,on condition of pre-defined thresholds,all class sets in candidate for refactoring and their common association classes are saved and exported.This approach is tested on 4 projects.The results show that the precision is over 96%when the threshold is 3,and 100%when the threshold is 4.Meanwhile,this approach has good execution efficiency as the execution time taken for a project with more than 500 classes is less than 4 s,which also indicates that it can be applied to projects of different scales to identify their refactoring opportunities effectively.展开更多
文摘1. IntroductionHumans have the ability (or competence) to think logically, and this is an undeniable fact. However,what this ability consists in is a difficult question. It might be said that logical ability consists in theknowledge of a set of logic rules. But what are those logic rules? For centuries logicians have devel-
文摘随着网络上越来越多的人发表自己的观点,带有情绪的贴文也逐渐增多,负面情绪的累积可能导致舆论失控,准确地识别贴文的情感极性能有效分析舆论现状。目前方面级的情感分析尚未有效融合语法信息以及语义信息,无法同时考虑语法结构的互补性和语义相关性。为此,提出了一个融合语法和语义的方面级情感分析模型(Aspect-level Sentiment Analysis Mo-dels Based on Syntax and Semantics,SS-GCN),包括语法分析模块、语义分析模块以及融合模块。首先将文本作为预训练BERT模型的输入,通过语法分析模块获得语法关联关系的特征表示,同时经由邻域增强机制的语义分析模块捕获语义的相关性的特征表示。最后把二者输入到融合模块,在仿射变换的作用下对语法信息和语义信息进行有效的交互和融合,实现方面级情感分析。
文摘In order to deal with the complex association relationships between classes in an object-oriented software system,a novel approach for identifying refactoring opportunities is proposed.The approach can be used to detect complex and duplicated many-to-many association relationships in source code,and to provide guidance for further refactoring.In the approach,source code is first transformed to an abstract syntax tree from which all data members of each class are extracted,then each class is characterized in connection with a set of association classes saving its data members.Next,classes in common associations are obtained by comparing different association classes sets in integrated analysis.Finally,on condition of pre-defined thresholds,all class sets in candidate for refactoring and their common association classes are saved and exported.This approach is tested on 4 projects.The results show that the precision is over 96%when the threshold is 3,and 100%when the threshold is 4.Meanwhile,this approach has good execution efficiency as the execution time taken for a project with more than 500 classes is less than 4 s,which also indicates that it can be applied to projects of different scales to identify their refactoring opportunities effectively.
