Hadoop在客票日志处理系统中的应用

借助Hadoop技术提出了一种新的架构,用于处理客票系统中产生的海量交易日志.首先将多个业务的数据收集起来并以一定的格式存储在hase与hive中,然后对平台中的数据进行建模分析从中提取出有价值的关键业务信息.目前该系统已经开发完成,切实提高了客票系统维护与运营的水平和效率.     

基于图像处理的磁选柱溢流液面监控系统设计

对溢流液面的正常情况与跑矿情况进行识别,设计开发了一个用于识别磁选柱溢流液面状态的数字图像处理系统,并利用Visual C＋＋6.0进行了系统实现。系统由图像处理和图像识别两部分组成,利用该系统可以计算磁选柱溢流液面的相关纹理参数,基于纹理参数及其图像识别实验建立一定的样本参数,从而为识别溢流液面的变化情况提供可靠数据依据。     

铁路运输径路计算机处理系统方案设计与研究

结合我国铁路特殊需求,从径路划分策略、路网表示、计算方法和优化措施等方面,阐述实现全路通用、便于维护、适应性强、运行速度快的铁路运输径路处理系统的方案设计、数据组织及软件实现策略.     

无线通信中最大似然序列估计的改进方法

无线通信中应用最大似然序列估计，其时延和计算复杂度是必须解决的两个问题。为跟踪时变的移动无线信道，必须采用自适应信道估计器来提供信道信息。针对以上问题，综述了减少时延和计算复杂度的解决方法，并讨论了各种方法在复杂度和性能之间的权衡。最后指出了今后的研究方向。     

电务综合检测发现的轨道电码化故障及处理

如何很好地利用电务综合检测车对电务设备进行维护、检查、测试、分析,这个问题日趋重要,通过对一个故障实例进行分析探索,说明故障的判断处理方法。     

临近车站的道口信号特殊问题处理

针对临近站内道口与车站信号联锁设备的结合问题进行分析,并提出处理方法。     

轮毂机加工车间的规划和加工技术

机械行业,随着人工成本增加,少用人工和无人车间是今后的发展趋势,就轮毂行业来说,采用机械手配合全功能数控机床是未来发展趋势。因此,轮毂行业更加迫切需要培养懂轮毂、懂全功能数控机床和机床控制原理的复合型人才,以提高轮毂行业整体技术水平和层次,为实现摩托车车轮强国做出贡献。     

危旧桥加固改造工程中纵向加宽缝处理方法探讨

文章介绍了危旧桥加固改造工程中结构分离、刚性连接及铰接连接等桥梁纵向加宽缝处理方法的优缺点及应用情况,提出了一种结构分离法处理桥梁纵向加宽缝的新措施。     

Road traffic conditions in Kenya: Exploring the policies and traffic cultures from unstructured user-generated data using NLP

Road traffic accidents (RTA) are a prevalent cause of fatality with African countries having the highest fatality index (25–34 per quota). The World Health Organization estimates Kenya's fatality rate due to RTA at 28 per quota. From literature, the country's fatality and injuries have increased by 26% and 46.5%, respectively, since the year 2015. The country is faced with incomplete RTA data capturing, hindering effective planning and policy adjustments to curb the menace. In this paper, we scrapped user-generated data (Twitter) and national transport and safety authority's (NTSA) reports to shed light on traffic safety, practices, and cultures in the country. To this end, we gathered 1,000,000 tweets and 8000 speeding entries between 2015 and 2021 and performed natural language processing (NLP) and quantitative study of the data. We applied NLP and n-gram search of keywords to categorize data into 8 topics: traffic, public service vehicle (PSVs), policing, accident, infrastructure, recklessness, robbery, and corruption. From the data, policing, which touches on all police and law-enforcement-related activity was found to be highly correlated with PSVs, recklessness, accidents, traffic congestion, robbery, infrastructure, and corruption with indices of r(76) = 0.92, 0. 91, 0.87, 0.82, 0.81, 0.76, and 0.70, respectively with p < 0.001. The topic modeling confirmed the identified topics to be the latent discussion issues affecting the public. From the study, PSVs, policing and traffic flow were isolated as key issues that ought to be addressed immediately. The research recommended the integration of driver monitoring systems to strengthen policing. The research, which utilized unstructured data, points to the utility of data mining which would greatly benefit traffic research, particularly African-based studies, that suffer from data inadequacy.     

深层水泥搅拌桩在软土地基处理工程中的应用

结合广东省九江大桥（G325线）至江门市区公路软土地基处理中深层水泥搅拌桩墙的施工实例。介绍了深层水泥搅拌桩施工工艺、质量检测等，通过工程实例说明水泥搅拌桩墙在软士地基处理工程中的应用，对西江大堤起到了良好的支护作用。