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1.
对现有万维网存在的问题进行了简单的剖析,说明研发下一代web服务具有重要性;在介绍本领域已有相关技术和术语并分析了Web服务的工作原理之后,提出一个可行的Web服务框架模型;最后在VS.NET环境中给出一个Web服务的原型过程。  相似文献   

2.
根据用户对利用模糊免疫网络记忆分类器的Web服务Qos评价模型提出的功能需求、应用的领域及Qos约束,自动选择出能够反映该功能服务质量属性的评价因子。提出新的人工免疫分类算法—FAINMC,利用该算法对大量的Web服务实现准确、高效的分类。根据每类记忆细胞反应的特征得到和类型相对应服务等级,使用模糊隶属度和百分法得到了反应Web服务质量优劣评价值。  相似文献   

3.
JAX—RPC提供了不同的web服务客户端编程模型来满足不同的应用需求,作为一款优秀Web服务开发框架.XFire对动态代理和DII两种Web服务客户端编程模型提供了很好的支持。在XFire框架下分别采用两种模型为一个简单的Web服务构建客户端,并对两种客户端进行了测试,最后以测试结果为基础对两种客户端编程模型进行了比较分析,指出了它们各自的特性及所适用的应用场景。  相似文献   

4.
针对近几年在语义web服务自动组合上的研究成果,深入归纳和总结了目前语义web服务组合的定义、组合方法以及正确性验证技术。对语义web服务组合问题进行分类和形式化定义,并归纳出语义Web服务自动组合框架。按照不同问题分析和比较相关的组合方法,同时总结了组合方案正确性验证技术。最后,根据前面的分析和总结,提出了语义Web服务自动组合当前面临的问题和挑战。  相似文献   

5.
语义Web是未来web的发展方向,是信息可以被机器理解和使用的新的信息环境,语义Web的出现彻底改变了web上信息的组织方式,对于各种网络信息应用都将产生巨大影响。本文首先对Semantic Web的概况进行了简要介绍,然后详细分析了语义Web体系的主要支持技术(XML RDF),最后探讨了语义Web技术对网络信息检索的影响。  相似文献   

6.
Web服务组合是web服务发展的一种新的方向,而Petri网作为形式化的建模工具,在服务组合中扮演着重要角色,不仅可以辅助服务组合的设计,还可以更好地对组合流程进行分析和验证。文章对各种Petri网在基于工作流、人工智能(AJ)的Web服务组合中的应用以及基于Petri网的Web服务形式化组合方法进行了综述,并指出了Petri网在服务组合工作中的作用和重要性。最后对研究进行了总结,指出了下一步的工作。  相似文献   

7.
8.
web挖掘技术是指从大量的web数据中提取隐含的、先前未知的、有潜在应用价值的模式、规则和知识,它是在数字图书馆中应用广泛的新技术。以XML为基础的新一代Web环境是直接面对Web数据的,不仅可以4良好地兼容原有的Web的应用,而又可以更好地实现Web中的信息共享与交换。本文介绍了基于XML的web挖掘技术的特点、方法及在数字图书馆中的应用。  相似文献   

9.
Web2.0改革了传统的学习方式,Web2.0不仅支持协作学习、分布式学习还有利于建立学习共同体。web2.0时代的教育教学对教师和学习者也提出了新的要求。  相似文献   

10.
WEB数据挖掘技术研究   总被引:1,自引:0,他引:1  
对web数据挖掘进行了全面的论述,并讨论了Web挖掘的分类和应用.在此基础上阐述了当前流行的挖掘技术,给出了Web数据模型,指出Web数据挖掘的发展方向和趋势.  相似文献   

11.
The communication of people partially is the communication of cultures. Culture has a direct effect on international commercial activities in all aspects. Different conceptions about time, space, equality, law and the like, lead people to deal with things in different ways. So to know cultures of the counterpart is to facil-itate our enterprises so as to have a smooth and successful communication in commercial activity.  相似文献   

12.
风的曲线     
Rosco and I wait for the fishermen to return.I sit at a wooden bench near the store at Mt.Baker Resort and watch the clouds change shape. Rosco has my belt around his neck and an eight foot tow chain hooked to a tree. Dogs must be on a leash. Ducks and rabbits are loose.  相似文献   

13.
Given a graph G,a subgraph C is called a clique of G if C is a complete subgraph of G maximal under inclusion and |C|≥2. A clique-transversal set S of G is a set of vertices of G such that S meets all cliques of G. The clique-transversal number, denoted as TC (G), is the minimum cardinality of a clique-transversal set in G. The clique-graph of G, denoted as K (G), is the graph obtained by taking the cliques of G as vertices, and two vertices are adjacent if and only if the corresponding cliques in G have nonempty intersection. Let F be a class of graphs G such that F={G|K(G) is a tree}. In this paper the graphs in F having independent clique-transversal sets are shown and thus TC (G)/|G|≤1/2 for all G ∈ F.  相似文献   

14.
汉字倒说     
汉字的六书,《说文》对“转注”一类,语焉不详。后世学者提及转注,也仅限于许慎所举出的例字。《汉字例说》一文,作者从转注的角度综合考虑,对部分现代常用字作了分析,跟传统的解释有所不同。希望能抛砖引玉,互相切磋,以推进学术研究。  相似文献   

15.
《海外英语》2007,(5):44-45
It is worthy of noting that, whilst Crookston Castle witnessed the earlier and happier portion of Mary's variegated life,  相似文献   

16.
Different nations have different social cultures, and the social culture of every nation is developing with the development of the nation, language is greatly influenced by social culture, which enables language to possess national and historical characteristics. Word is the smallest, independent, meaningful linguistic unit of language. It can well reflect the national and historical characteristics. From synchronic aspect, the social and cultural influence on word meaning is mainly embodied in conceptual and associative meanings of word. The incorrespondence of word meaning is a phenomenon that exists in both conceptual and associative meanings of word among different languages. From diachronic aspect, the development of social culture causes some changes of word meaning to some extent. Therefore, social culture plays a key role in vocabulary learning and mastery of a language.  相似文献   

17.
钱生钱!     
我们绝大部分人都同意一件事情——我们喜欢金钱。但是你对金钱的喜欢之情足够到让你创立一份事业么?.财富通常被人忽视,主要在于人们不能真正了  相似文献   

18.
《海外英语》2007,(4):36
There are numbers of crossroads on our long and unpredictable life journey where we totally have no idea about which direction to choose. No matter what our decision is, we should not turn back, but face the music and go ahead instead. I am this kind of girl who always does try without regretting, one example is how I dealt with my love.  相似文献   

19.
The problem on the geometrc inequalities involving an n-dimensional simplex and its inscribed simplex is studied. Aninequality is established, which reveals that the difference between the squared circumradius of the n-dimensional simplex andthe squared distance between its circumcenter and barycenter times the squared circumradius of its inscribed simplex is not lessthan the 2(n-1)th power of n times its squared inradius, and is equal to when the simplex is regular and its inscribed siplex is atangent point one. Deduction from this inequality reaches a generalization of n-dimensional Euler inequality indicating that thecircumradius of the simplex is not less than the n-fold inradius. Another inequality is derived to present the relationship betweenthe circumradius of the n-dimensional simplex and the circumradius and inradius of its pedal simplex.  相似文献   

20.
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