基于OWL-S的交通信息服务发现技术研究与实现
发布时间：2019-02-18 13:03
【摘要】：随着信息技术的发展和服务计算在Web上的成功，交通信息服务作为智能交通系统的重要组成部分也深受影响。面对交通环境的复杂性，如何使交通信息服务更好的整合资源引导公众出行，为公众提供及时、准确、可靠的交通服务信息，，已经成为交通领域内的研究热点，受到越来越多研究者的关注。本文通过分析交通环境的复杂性，并受Web环境下服务发现技术的启发，讨论和设计交通环境下的服务发现技术。本文主要工作包括： 1、分析常用服务描述语言的原理与方法，通过各服务描述语言的对比，结合交通信息服务描述的特点，提出一种基于OWL-S的交通信息服务本体描述模型TISOM。该模型采用OWL-S本身包含的一套本体方法。根据Web服务与交通信息服务的差异，扩展OWL-S语言，为交通信息服务提供了语义为主语法相结合的统一描述框架。对交通信息服务的知识本体进行了深入研究，建立了原子服务本体模型与组合服务本体模型，并采用protégé编码，实现交通信息服务的描述。 2、在TISOM模型的基础上，结合Web环境下服务发现技术，设计了一个基于上下文推理的交通信息服务发现系统。首先根据交通信息服务通信模式，系统采用随机游走模型，查询消息将会在网络节点中以随机游走的方式进行服务发现。然后对交通信息服务进行基于服务主题与服务上下文约束的两级过滤来降低匹配计算负载。最后为提高匹配准确性，系统采用先语义后语法的顺序进行服务匹配。 3、利用OSGi在软件体系架构和插件式开发的卓越特点，结合TISOM模型与交通信息服务发现系统，设计一个基于OSGi面向交通信息服务的原型系统TISPS。给出了系统总架构、基于Bunddle的服务设计以及具体实例实现结果。 交通信息服务发现技术，实现了交通环境下信息服务的描述、发现、匹配等功能；具备了良好的环境适应性和较好的可扩展性以及发现的准确性，对整合交通信息资源，优化交通出行具有重要意义。
[Abstract]:With the development of information technology and the success of service computing in Web, traffic information service, as an important part of intelligent transportation system, is also greatly affected. Facing the complexity of traffic environment, how to make traffic information service better integrate resources to guide public travel and provide timely, accurate and reliable traffic service information for the public has become a research hotspot in the field of transportation. More and more researchers pay attention to it. By analyzing the complexity of traffic environment and inspired by service discovery technology in Web environment, this paper discusses and designs service discovery technology in traffic environment. The main work of this paper is as follows: 1. Analyzing the principle and method of common service description language, combining the characteristics of traffic information service description with the comparison of each service description language. A Traffic Information Service Ontology description Model TISOM. based on OWL-S The model adopts a set of ontology methods contained in OWL-S itself. According to the differences between Web services and traffic information services, the OWL-S language is extended to provide a unified description framework for traffic information services combining semantic syntax. The knowledge ontology of traffic information service is deeply studied, atomic service ontology model and composition service ontology model are established, and the description of traffic information service is realized by prot 茅 g 茅 coding. 2. Based on TISOM model and service discovery technology in Web environment, a traffic information service discovery system based on contextual reasoning is designed. Firstly, according to the traffic information service communication mode, the system adopts the random walk model, and the query message will be found by random walk in the network node. Then the traffic information service is filtered by two levels based on service topic and service context constraints to reduce the matching computing load. Finally, in order to improve the accuracy of matching, the system uses the order of semantic and syntax for service matching. 3. Taking advantage of the outstanding characteristics of OSGi in software architecture and plug-in development, combined with TISOM model and traffic information service discovery system, a prototype system based on OSGi for traffic information service, TISPS., is designed. The general architecture of the system, the service design based on Bunddle and the implementation result of a concrete example are given. The technology of traffic information service discovery realizes the description, discovery, matching and other functions of information service in traffic environment. It has good environmental adaptability, good expansibility and accuracy of discovery. It is of great significance to integrate traffic information resources and optimize traffic travel.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U495
本文编号：2425863
[Abstract]:With the development of information technology and the success of service computing in Web, traffic information service, as an important part of intelligent transportation system, is also greatly affected. Facing the complexity of traffic environment, how to make traffic information service better integrate resources to guide public travel and provide timely, accurate and reliable traffic service information for the public has become a research hotspot in the field of transportation. More and more researchers pay attention to it. By analyzing the complexity of traffic environment and inspired by service discovery technology in Web environment, this paper discusses and designs service discovery technology in traffic environment. The main work of this paper is as follows: 1. Analyzing the principle and method of common service description language, combining the characteristics of traffic information service description with the comparison of each service description language. A Traffic Information Service Ontology description Model TISOM. based on OWL-S The model adopts a set of ontology methods contained in OWL-S itself. According to the differences between Web services and traffic information services, the OWL-S language is extended to provide a unified description framework for traffic information services combining semantic syntax. The knowledge ontology of traffic information service is deeply studied, atomic service ontology model and composition service ontology model are established, and the description of traffic information service is realized by prot 茅 g 茅 coding. 2. Based on TISOM model and service discovery technology in Web environment, a traffic information service discovery system based on contextual reasoning is designed. Firstly, according to the traffic information service communication mode, the system adopts the random walk model, and the query message will be found by random walk in the network node. Then the traffic information service is filtered by two levels based on service topic and service context constraints to reduce the matching computing load. Finally, in order to improve the accuracy of matching, the system uses the order of semantic and syntax for service matching. 3. Taking advantage of the outstanding characteristics of OSGi in software architecture and plug-in development, combined with TISOM model and traffic information service discovery system, a prototype system based on OSGi for traffic information service, TISPS., is designed. The general architecture of the system, the service design based on Bunddle and the implementation result of a concrete example are given. The technology of traffic information service discovery realizes the description, discovery, matching and other functions of information service in traffic environment. It has good environmental adaptability, good expansibility and accuracy of discovery. It is of great significance to integrate traffic information resources and optimize traffic travel.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U495
【参考文献】
相关期刊论文 前3条
1 何晓林;季常煦;梁谦;;综合交通信息服务系统结构分析[J];公路交通科技;2006年06期
2 卢刘明,朱国进,陈家训;语义Web中几种语义描述语言的分析比较[J];计算机工程;2005年03期
3 李宏海;刘冬梅;王晶;;日本VICS系统的发展介绍[J];交通标准化;2011年15期
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