本文關鍵詞： 服務組合 語義Web服務 服務生成 服務組織建模　出處：《北京郵電大學》2014年碩士論文　論文類型：學位論文

【摘要】：隨著Web服務技術的發(fā)展,越來越多的服務提供者參與到其中,Web服務也在更多的網(wǎng)站和軟件中得到應用。更多的應用帶來更多的需求,有些較為簡單則可以通過單個服務完成,有些較為復雜,需要多個服務配合共同完成。目前已有的多個服務進行組合的方法研究大多含有以下幾個缺點：一是使用群體單一,只限于擁有專業(yè)知識的行業(yè)人員,不具備基礎知識的大眾無法對其并不了解,也無法直接使用；二是未充分利用服務自身所具備的的語義信息。服務組合時過多的關注在通過操作和參數(shù)類型構造業(yè)務流程中,在服務選擇和匹配時忽略了服務語義信息的重要性,導致匹配精準度和服務查詢速度上略有欠缺；三是復雜服務生成后沒有立即執(zhí)行并結果反饋的機制,生成的服務無法驗證有效性,并且沒有給予使用或調用集成的方法,用戶無法看到服務組合的結果也無法試用。針對以上的三個缺點,本文提出了基于圖思想的語義概念圖服務組織建模方法,以及從普通大眾用戶的需求輸入到最終復雜服務執(zhí)行與結果反饋的整體過程方法。 本文首先從Web服務的組織與組合領域已有研究入手,對行業(yè)背景和已有研究現(xiàn)狀進行分析,從而確定研究的切入點。之后介紹了本課題在研究中涉及到的相關技術,包括語義服務、服務聚類、業(yè)務流程、自然語言處理等方面,這些都會在之后的詳細設計中不同程度地得到應用。在具體介紹項目研究過程之前,我們對系統(tǒng)整體的需求和各功能部分的需求進行了說明,在說明中我們介紹了系統(tǒng)的應用場景和功能性能要求、系統(tǒng)整體的架構布局,以及架構中每部分的功能需求。隨后我們就研究中提出的語義概念圖組織方式和語義化服務生成方法這兩個關鍵技術做了詳細闡述,對語義概念圖的設計和存儲以及服務生成過程中的每一步都進行了細致地講解,并且通過實驗驗證了方法的正確性和可用性。在系統(tǒng)的具體實現(xiàn)上,我們選取旅游領域作為實現(xiàn)切入點,對旅游服務系統(tǒng)的整體架構以及服務組織與生成部分的每個模塊進行了構造,最后對系統(tǒng)進行測試,服務組織與組合部分的各模塊以及整體都運行正常,結果滿足需求,達到了預計效果。論文最后對研究過程整體進行了總結和工作展望,對可繼續(xù)研究的地方進行了說明。
[Abstract]:With the development of Web services technology, more and more service providers participate in the web services are also used in more websites and software, more applications bring more requirements. Some are simpler and can be done through a single service, while others are more complex. Most of the existing research on the combination of multiple services contains the following disadvantages: first, the use of a single group, limited to professional knowledge of the industry personnel. The general public who does not have the basic knowledge is unable to understand it, nor can it be used directly; The other is that the semantic information of service itself is not fully utilized. Too much attention is paid to constructing business process through operation and parameter type when service composition. The importance of service semantic information is neglected in service selection and matching, which leads to a slight lack of matching accuracy and query speed. The third is that the complex service is not executed immediately and the result feedback mechanism, the generated service can not verify the validity, and does not give use or call the integrated method. Users can not see the results of service composition and can not be tried. In view of the above three shortcomings, this paper proposes a semantic concept diagram service organization modeling method based on graph idea. And the whole process method from the general public user's requirement input to the final complex service execution and the result feedback. This paper begins with the existing research on the organization and composition of Web services, and analyzes the industry background and existing research status. In order to determine the starting point of the study. After the introduction of this topic in the research related technologies, including semantic services, service clustering, business processes, natural language processing and so on. All of these will be applied to different degrees in the later detailed design. Before introducing the research process of the project, we explain the requirements of the system as a whole and the requirements of each functional part. In the description, we introduce the application scenarios and functional performance requirements of the system, the overall architecture of the system layout. And the functional requirements of each part of the architecture. Then we give a detailed description of the two key technologies of semantic concept map organization and semantic service generation. The design and storage of semantic concept map and each step in the process of service generation are explained in detail, and the correctness and availability of the method are verified by experiments. We select the tourism field as the starting point of the implementation, the overall structure of the tourism service system and the service organization and generation of each module are constructed, and finally test the system. The service organization and composition part of the modules and the overall operation is normal, the results meet the demand, achieve the expected results. Finally, the research process as a whole is summarized and work prospects. The place where further study can be carried out is explained.
【學位授予單位】：北京郵電大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TP311.52;TP393.09

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