考慮IOPE匹配的語義web服務(wù)組合
發(fā)布時(shí)間:2018-12-29 18:45
【摘要】:針對傳統(tǒng)語義web服務(wù)組合方法中僅考慮I/O接口間匹配,從而導(dǎo)致服務(wù)間功能匹配度不高的情況,提出一個(gè)新的語義web服務(wù)組合框架.該框架改進(jìn)傳統(tǒng)規(guī)劃圖以便體現(xiàn)服務(wù)的IOPE特性,為抽取組合方案提供功能匹配相關(guān)的啟發(fā)信息.為了獲得更多組合方案,框架一方面支持抽象用戶請求的表達(dá),另一方面在規(guī)劃圖的基礎(chǔ)上,采用基于廣度優(yōu)先的后向搜索策略.最后,基于該框架實(shí)現(xiàn)一個(gè)web服務(wù)組合系統(tǒng),一系列實(shí)驗(yàn)表明該框架是有效的和可伸縮的.
[Abstract]:A new semantic web service composition framework is proposed to solve the problem that only the matching between I / O interfaces is considered in the traditional semantic web service composition method, which leads to a low degree of functional matching between services. The framework improves the traditional planning diagram to reflect the IOPE characteristics of the service and provides heuristic information about function matching for the extraction composition scheme. In order to obtain more combinatorial schemes, the framework supports the representation of abstract user requests on the one hand, and adopts a backward-search strategy based on breadth-first on the other hand on the basis of planning diagrams. Finally, a web service composition system is implemented based on the framework. A series of experiments show that the framework is effective and scalable.
【作者單位】: 天津大學(xué)計(jì)算機(jī)學(xué)院;山東建筑大學(xué)計(jì)算機(jī)學(xué)院;
【基金】:國家自然科學(xué)基金資助項(xiàng)目(61173155,61373035)~~
【分類號】:TP393.09
[Abstract]:A new semantic web service composition framework is proposed to solve the problem that only the matching between I / O interfaces is considered in the traditional semantic web service composition method, which leads to a low degree of functional matching between services. The framework improves the traditional planning diagram to reflect the IOPE characteristics of the service and provides heuristic information about function matching for the extraction composition scheme. In order to obtain more combinatorial schemes, the framework supports the representation of abstract user requests on the one hand, and adopts a backward-search strategy based on breadth-first on the other hand on the basis of planning diagrams. Finally, a web service composition system is implemented based on the framework. A series of experiments show that the framework is effective and scalable.
【作者單位】: 天津大學(xué)計(jì)算機(jī)學(xué)院;山東建筑大學(xué)計(jì)算機(jī)學(xué)院;
【基金】:國家自然科學(xué)基金資助項(xiàng)目(61173155,61373035)~~
【分類號】:TP393.09
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