Editors Yang Wang,Xi'an Jiaotong University Dongbo Shi,Shanghai Jiaotong University Ye Sun,University College London Zhesi Shen,National Science Library,CASTopic of the Special Issue What are the top questions tow...Editors Yang Wang,Xi'an Jiaotong University Dongbo Shi,Shanghai Jiaotong University Ye Sun,University College London Zhesi Shen,National Science Library,CASTopic of the Special Issue What are the top questions towards better science and innovation and the required data to answer these questions?展开更多
Editors Yang Wang,Xi'an Jiaotong University Dongbo Shi,Shanghai Jiaotong University Ye Sun,University College London Zhesi Shen,National Science Library,CAS Topic of the Special Issue What are the top questions to...Editors Yang Wang,Xi'an Jiaotong University Dongbo Shi,Shanghai Jiaotong University Ye Sun,University College London Zhesi Shen,National Science Library,CAS Topic of the Special Issue What are the top questions towards better science and innovation and the required data to answer these questions?展开更多
钻井顶部驱动装置结构复杂、故障类型多样,现有的故障树分析法和专家系统难以有效应对复杂多变的现场情况。为此,利用知识图谱在结构化与非结构化信息融合、故障模式关联分析以及先验知识传递方面的优势,提出了一种基于知识图谱的钻井...钻井顶部驱动装置结构复杂、故障类型多样,现有的故障树分析法和专家系统难以有效应对复杂多变的现场情况。为此,利用知识图谱在结构化与非结构化信息融合、故障模式关联分析以及先验知识传递方面的优势,提出了一种基于知识图谱的钻井顶部驱动装置故障诊断方法,利用以Transformer为基础的双向编码器模型(Bidirectional Encoder Representations from Transformers,BERT)构建了混合神经网络模型BERT-BiLSTM-CRF与BERT-BiLSTM-Attention,分别实现了顶驱故障文本数据的命名实体识别和关系抽取,并通过相似度计算,实现了故障知识的有效融合和智能问答,最终构建了顶部驱动装置故障诊断方法。研究结果表明:①在故障实体识别任务上,BERT-BiLSTM-CRF模型的精确度达到95.49%,能够有效识别故障文本中的信息实体;②在故障关系抽取上,BERT-BiLSTM-Attention模型的精确度达到93.61%,实现了知识图谱关系边的正确建立;③开发的问答系统实现了知识图谱的智能应用,其在多个不同类型问题上的回答准确率超过了90%,能够满足现场使用需求。结论认为,基于知识图谱的故障诊断方法能够有效利用顶部驱动装置的先验知识,实现故障的快速定位与智能诊断,具备良好的应用前景。展开更多
This study investigates the effects of TBLT reform in Higher Vocational Colleges from the perspective of questioning styles.It employs three methods to collect data:classroom observation,semi-structured interviews and...This study investigates the effects of TBLT reform in Higher Vocational Colleges from the perspective of questioning styles.It employs three methods to collect data:classroom observation,semi-structured interviews and focus group discussion with eight English teachers and their 384 non-English major students from three Higher Vocational Colleges in Guangdong.The results indicated that the teachers assigned students different tasks to perform in class.They seemed to be adopting the TBLT approach,but their English classes were not totally different from the teacher-centered grammar-focused lessons,the student-centered or communicative lessons.展开更多
Classroom questioning is one of the main means for classroom interaction which plays a very important role in classroom teaching. Therefore, based on the observation of four different level English classes in the UK a...Classroom questioning is one of the main means for classroom interaction which plays a very important role in classroom teaching. Therefore, based on the observation of four different level English classes in the UK and interview of English teachers, this thesis investigates the types, functions and answer-seeking strategies used by EFL teachers.展开更多
In literature,differences in the description of female and male characters have been noticeable for a long time.In this study,the novel Jane Eyre is uses as a material to investigate whether there are in fact any sign...In literature,differences in the description of female and male characters have been noticeable for a long time.In this study,the novel Jane Eyre is uses as a material to investigate whether there are in fact any significant differences in the questions Mr.Rochester and Jane use and how the questions function to portray these two main characters.展开更多
Teacher questioning strategy is one of popular teaching method in teaching practice.The teachers and students of college English course II was taken as investigate objects in this study.This study will focus on the pr...Teacher questioning strategy is one of popular teaching method in teaching practice.The teachers and students of college English course II was taken as investigate objects in this study.This study will focus on the problems of questioning frequency,questioning types,questioning strategies,waiting time and students’response to deeply study this situation.Through the data collection and analysis,the researcher hopes the study will deeply reveal the real situation of teacher questioning usage in Honghe University.Some referential suggestions will be offered to the college English teachers for their future teaching.展开更多
文摘Editors Yang Wang,Xi'an Jiaotong University Dongbo Shi,Shanghai Jiaotong University Ye Sun,University College London Zhesi Shen,National Science Library,CASTopic of the Special Issue What are the top questions towards better science and innovation and the required data to answer these questions?
文摘Editors Yang Wang,Xi'an Jiaotong University Dongbo Shi,Shanghai Jiaotong University Ye Sun,University College London Zhesi Shen,National Science Library,CAS Topic of the Special Issue What are the top questions towards better science and innovation and the required data to answer these questions?
文摘钻井顶部驱动装置结构复杂、故障类型多样,现有的故障树分析法和专家系统难以有效应对复杂多变的现场情况。为此,利用知识图谱在结构化与非结构化信息融合、故障模式关联分析以及先验知识传递方面的优势,提出了一种基于知识图谱的钻井顶部驱动装置故障诊断方法,利用以Transformer为基础的双向编码器模型(Bidirectional Encoder Representations from Transformers,BERT)构建了混合神经网络模型BERT-BiLSTM-CRF与BERT-BiLSTM-Attention,分别实现了顶驱故障文本数据的命名实体识别和关系抽取,并通过相似度计算,实现了故障知识的有效融合和智能问答,最终构建了顶部驱动装置故障诊断方法。研究结果表明:①在故障实体识别任务上,BERT-BiLSTM-CRF模型的精确度达到95.49%,能够有效识别故障文本中的信息实体;②在故障关系抽取上,BERT-BiLSTM-Attention模型的精确度达到93.61%,实现了知识图谱关系边的正确建立;③开发的问答系统实现了知识图谱的智能应用,其在多个不同类型问题上的回答准确率超过了90%,能够满足现场使用需求。结论认为,基于知识图谱的故障诊断方法能够有效利用顶部驱动装置的先验知识,实现故障的快速定位与智能诊断,具备良好的应用前景。
基金sponsored by the English Teaching Research Centre of Guangdong University of Foreign Studies
文摘This study investigates the effects of TBLT reform in Higher Vocational Colleges from the perspective of questioning styles.It employs three methods to collect data:classroom observation,semi-structured interviews and focus group discussion with eight English teachers and their 384 non-English major students from three Higher Vocational Colleges in Guangdong.The results indicated that the teachers assigned students different tasks to perform in class.They seemed to be adopting the TBLT approach,but their English classes were not totally different from the teacher-centered grammar-focused lessons,the student-centered or communicative lessons.
文摘Classroom questioning is one of the main means for classroom interaction which plays a very important role in classroom teaching. Therefore, based on the observation of four different level English classes in the UK and interview of English teachers, this thesis investigates the types, functions and answer-seeking strategies used by EFL teachers.
文摘In literature,differences in the description of female and male characters have been noticeable for a long time.In this study,the novel Jane Eyre is uses as a material to investigate whether there are in fact any significant differences in the questions Mr.Rochester and Jane use and how the questions function to portray these two main characters.
文摘Teacher questioning strategy is one of popular teaching method in teaching practice.The teachers and students of college English course II was taken as investigate objects in this study.This study will focus on the problems of questioning frequency,questioning types,questioning strategies,waiting time and students’response to deeply study this situation.Through the data collection and analysis,the researcher hopes the study will deeply reveal the real situation of teacher questioning usage in Honghe University.Some referential suggestions will be offered to the college English teachers for their future teaching.
