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1.
Text messages are characterised by a casual language style, ‘textese’ (e.g., c u on thurs). This study investigated adolescents’ perceptions of the use of different levels of textese in digital messages which varied in their intended recipient (friend, teacher). Grade 8 students in Australia (N = 90, aged 13–14 years) each read six text messages purportedly written by a fellow student, and rated the extent to which they agreed (on a 7-point Likert scale) that the message writer was intelligent, paid attention to detail, used an appropriate writing style, and was friendly. Overall, participants rated message senders most favourably on all measures when they used no textese, and least favourably when they used high levels of textese. This pattern was even stronger when messages were addressed to teachers rather than same-aged friends. The findings suggest that adolescents are sensitive to both writing style and recipient when considering digital messages. 相似文献
2.
The healthcare system needs to track and monitor patients’ status and information. One of the most important requirements is that the patient is able to access the service anywhere at any time. Systems are being developed using the Internet to monitor patients’ status, and in some areas, especially rural areas and motorways, the Internet may not be available, even though the mobile network is available. In some cases, the network might be overloaded, so the patient information cannot be delivered to the hospital or medical centre. We propose a new method that uses the spare extension of the random access channel (RACH), which is carried by physical random access channel (PRACH) to send the patient information to the medical centre. We present the mathematical model of the channel and compare the results with another system from 3GPP to evaluate the results. The results show that the proposed method needs less time to transmit the patient’s information. 相似文献
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Li Chuan-Kang Zhang Hong-Xin Liu Jia-Xin Zhang Yuan-Qing Zou Shan-Chen Fang Yu-Tong 《计算机科学技术学报》2020,35(4):900-912
Journal of Computer Science and Technology - Window detection is a key component in many graphics and vision applications related to 3D city modeling and scene visualization. We present a novel... 相似文献
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Prof. Dr.‐Ing. Falk Jaeger 《Mauerwerk》2019,23(1):50-54
Brick masonry is not only a question of building physics, building construction and durability, i.e. sustainability, but has much to do with aesthetics and making sense, which may have been forgotten in modern architecture with its absolute lack of décor. Masonry as an art form has been scarce since the era of brick expressionism. Recently, there have been some exceptions – and thoroughly welcome. The ”Fjordenhus“ in Vejle, Denmark, is an astonishing example. 相似文献
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针对软件定义网络中,控制器无法保证下发的网络策略能够在转发设备上得到正确执行的安全问题,提出一种新的转发路径监控安全方案。首先以控制器的全局视图能力为基础,设计了基于OpenFlow协议的路径凭据交互处理机制;然后采用哈希链和消息验证码作为生成和处理转发路径凭据信息的关键技术;最后在此基础上,对Ryu控制器和Open vSwitch开源交换机进行深度优化,添加相应处理流程,建立轻量级的路径安全机制。测试结果表明,该机制能够有效保证数据转发路径安全,吞吐量消耗比SDN数据层可信转发方案(SDNsec)降低20%以上,更适用于路径复杂的网络环境,但时延和CPU使用率的浮动超过15%,有待进一步优化。 相似文献
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A log statement is one of the key tactics for a developer to record and monitor important run-time behaviors of our system in a development phase and a maintenance phase. It composes of a message for stating log contents, and a log level (eg, debug or warn) to denote the severity of a message and controlling its visibility at run time. In spite of its usefulness, a developer does not tend to deeply consider which log level is appropriate in writing source code, which causes the system to be unmaintainable. To address this issue, this paper proposes an automatic approach to validating the appropriateness of the log level in consideration of the semantic and syntactic features and recommending a proper alternative log level. We first build the semantic feature vector to quantify the semantic similarity among application log messages using the word vector space, and the syntactic feature vector to capture the application context that surrounds the log statement. Based on the feature vectors and machine learning techniques, the log level is automatically validated, and an alternative log level is recommended if the log level is invalid. For the evaluation, we collected 22 open-source projects from three application domains, and obtained the 77% of precision and 75% of recall in validating the log levels. Also, our approach showed 6% higher accuracy than that of the developer group who has 7 to 8 years of work experience, and 72% of the developers accepted our recommendation. 相似文献
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现代建筑新表情——论建筑智能化对建筑外层设计的影响 总被引:1,自引:0,他引:1
新的科技发展为建筑艺术形象表达提供了多种的可能性。本文通过具体建筑实例分析说明建筑智能化对现代建筑外层设计的影响,建筑更多地表现了生命的动态和预示。自动化信息、生态学的介入为现代建筑赋予更多不同于往昔的新表情。 相似文献
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点支玻璃建筑单层索网体系是一种几何非线性较强的柔性张拉结构,其刚度受索中预应力影响较大。目前专门针对该结构动力特性方面的研究尚不多见。阐述了索网这种柔性预应力结构动力特性分析的特点,编写了相应的有限元程序,对索网自振特性的重要影响因素即几何非线性和预应力进行了研究,表明忽略几何非线性会使结构计算结果产生极大偏羞。索网的自振频率与预应力呈非线性关系,几何非线性和预应力对索网的自振特性的影响具有协同性。 相似文献