面向物流服務(wù)的描述與匹配模型研究與實現(xiàn)
發(fā)布時間:2018-05-22 13:37
本文選題:物流服務(wù) + 服務(wù)描述 ; 參考:《南京郵電大學》2017年碩士論文
【摘要】:隨著經(jīng)濟和技術(shù)的快速發(fā)展,物流行業(yè)的信息化水平的發(fā)展顯得越來越重要。然而,物流資源難以被統(tǒng)一表達,眾多物流資源的整合需要依靠物流信息的共享來實現(xiàn),以服務(wù)的方式靈活使用。面向服務(wù)的架構(gòu)為物流資源充分利用提供了一種可行的解決方案。針對物流資源的特點,需要一種描述模型對其統(tǒng)一表達。此外,隨著功能相同或者相似的服務(wù)越來越多,用戶如何挑選更加合適的服務(wù)也成為一個巨大的挑戰(zhàn)。對此本文做了如下工作。首先,針對物流資源目前無法統(tǒng)一表達的特性,提出了一種適合于物聯(lián)網(wǎng)環(huán)境下的服務(wù)描述模型。本文對Web服務(wù)描述語言進行研究,結(jié)合物聯(lián)網(wǎng)環(huán)境中服務(wù)的特點,將物流資源與該模型層次結(jié)構(gòu)一一映射,用一種基于XML模式的描述語言對物流資源進行描述。物流資源得以被表達和管理,以Web服務(wù)的形式被使用。其次,針對眾多功能相同或者相似物流服務(wù)難以選擇的問題,本文通過研究服務(wù)的非功能性屬性,提出一種基于服務(wù)質(zhì)量(QoS)本體樹相似度的匹配算法。該算法綜合考慮了QoS本體樹的結(jié)構(gòu)、屬性以及約束性方面的相似度。之后通過仿真對該算法的性能進行評估,仿真結(jié)果表明該算法具有良好的性能。最后,本文結(jié)合之前提出的物流服務(wù)描述與匹配模型設(shè)計并實現(xiàn)了一個物流服務(wù)選擇系統(tǒng)。結(jié)合相應(yīng)服務(wù)質(zhì)量的評估指標體系,最終在該系統(tǒng)中實現(xiàn)對物流配送服務(wù)選擇進行了演示。
[Abstract]:With the rapid development of economy and technology, the development of information level in the logistics industry is becoming more and more important. However, logistics resources are difficult to be expressed in a unified way. The integration of many logistics resources needs to be realized by the sharing of logistics information and flexible use in the way of service. The service-oriented architecture provides the full use of logistics resources. A feasible solution. In view of the characteristics of logistics resources, a description model is required to be expressed in a unified manner. In addition, as more and more functions are similar or similar, how users choose more appropriate services has become a huge challenge. This article is done as a work. First, logistics resources can not be unified. Based on the characteristics of the expression, a service description model suitable for the Internet of things is proposed. This paper studies the Web service description language and maps the logistics resources with the model hierarchy, and describes logistics resources with a description language based on XML mode. It is able to be expressed and managed and used in the form of Web services. Secondly, this paper proposes a matching algorithm based on the quality of service (QoS) ontology tree, which takes into account the structure of the QoS ontology tree, in order to solve the problems that are difficult to select for many functions of the same or similar logistics services. Then the performance of the algorithm is evaluated through simulation, and the simulation results show that the algorithm has good performance. Finally, this paper designs and implements a logistics service selection system based on the logistics service description and matching model proposed before. Finally, the choice of logistics distribution service is demonstrated in the system.
【學位授予單位】:南京郵電大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TP393.09
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