语用Web服务管理框架

为了弥补现有语义Web服务在动态性和交互性方面的不足,将语用Web引入到Web服务研究中,提出了语用Web服务技术,并将其应用于Web服务管理领域.面向语用Web服务管理分为4个层次:语法Web服务层,语义Web服务层,语用Web服务层,网络服务管理层.给出了语用Web服务与语义Web服务协作流程的实现场景.语用Web服务管理促进了服务和消费者之间理解和交互模式的改变.     

Web服务技术及其应用

随着Web技术的发展,Web服务在网络中得到了广泛的应用．本文结合Web服务的发展需求,详细介 绍Web服务的含义和Web服务的应用分类．最后介绍Web服务的现状,并探讨Web服务的应用前景．     

基于Web的数据挖掘研究

基于Web的数据挖掘是一个结合了数据挖掘和WWW的热门研究主题.本文介绍了Web数据的特点及Web数据挖掘研究的三种分类:Web内容挖掘、Web结构挖掘、Web使用挖掘,并总结了Web日志挖掘的常用数据挖掘技术.     

基于Web的数据挖掘研究

基于Web的数据挖掘是一个结合了数据挖掘和WWW的热门研究主题。本文介绍了Web数据的特点及Web数据挖掘研究的三种分类:Web内容挖掘、Web结构挖掘、Web使用挖掘,并总结了Web日志挖掘的常用数据挖掘技术。     

基于Web使用挖掘的个性化站点研究

针对用户特性向用户提供服务的个性化Web站点已经成为Web技术的研究热点.将数据挖掘技术应用于Web日志记录,来发现用户访问Web页面的模式,形成了Web使用挖掘.通过建立与更新用户模式库,个性化Web站点为用户的访问提供推荐.研究了Web使用挖掘技术,并对个性化Web站点的建立进行了探讨.     

基于服务质量的Web服务组合模型

分析了Web服务主要的非功能属性因素,探讨了这些因素对Web服务的服务质量所产生的影响.提出了Web服务的QoS评价方法,并将Web服务的QoS作为Web服务选择的条件之一.构建基于QoS的Web服务组合模型,利用查找后继Web服务的选择方法,实现Web服务的有效组合,使得组合Web服务既能满足用户的功能需求,又达到用户个性化服务的目的.     

语义化Web的理论基础与技术基础

语义Web并非一个独立的Web,而是当前Web的延伸,其目标是让计算机能够"理解和处理"现在的Web仅仅能显示的数据,并为人们提供各种智能服务.目前在世界范围内对语义Web的研究尚处于起步阶段,与国外相比,我国对语义Web的研究相对较晚.本文简单介绍了语义Web的概念和体系结构,对语义化Web的理论基础与技术基础进行了分析,总结出了语义化Web研究中的关键问题.     

浅析Web挖掘技术

本文从Web数据挖掘的概念入手,介绍了Web挖掘的一般流程,重点阐述了Web挖掘任务的三种分类：Web内容挖掘、Web结构挖掘和Web使用挖掘,并给出实现这三类挖掘的常用技术和方法。     

基于语义的Web服务框架研究

Web服务是Web上数据和信息集成的有效机制,语义Web服务则是在Web服务中加入语义的支持,使得计算机之间能够理解互相通信的内容,以进一步实现Web服务的自动化。本文从Web服务的自动发现、自动执行和自动组合等方面对语义Web服务的实现进行了探讨,最后给出了一个语义Web服务的框架实例。     

Web应用安全防护措施及应急预案

分析Web应用安全现状及常见的Web应用攻击技术,提出Web应用的安全防护措施和安全应急预案,以确保Web应用安全。Web应用的安全防护措施包括操作系统和应用程序两个层面,Web应用的安全应急预案包括安全事故应急处理和安全事故事后处理两个部分。     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

Characterization of Ordovician carbonate reservoirs, southeastern Saskatchewan, Canada

The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3～4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰～ -7.8‰, PDB) and matrix dolomites (-6.6‰～ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084～0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078～0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

Design and analysis of generic LBS application developing platform

Location based services is promising due to its novel working style and contents.A software platform is proposed to provide application programs of typical location based services and support new applications developing efficiently. The analysis shows that this scheme is easy implemented, low cost and adapt to all kinds of mobile nework system.     

橡胶颗粒沥青混合料低温抗裂性试验研究

以AC-13级配为基础,将橡胶颗粒代替部分集料掺入混合料中,以低温弯曲试验为评价方法对不同橡胶颗粒掺量下沥青混合料的低温抗裂性进行研究,并引入应变能密度值对混合料的低温抗裂性进行综合评价.试验结果表明:橡胶颗粒沥青混合料试件的破坏微应变均超过2 300,满足冬寒区的技术指标;无论是否掺加橡胶颗粒,随着温度的下降,沥青混合料破坏时的最大弯拉强度增大,弯拉应变降低,劲度模量增大;弯曲应变能密度在胶粒掺量为1%左右时具有较大的弯曲应变能密度值,此时橡胶颗粒沥青混合料具有较好的低温抗裂性.     

A computer generator for randomly layered structures

AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

Quantitative trait loci （QTLs） for quality traits related to protein and starch in wheat

Quality traits in wheat （Triticum aestirum L.） were studied by quantitative trait locus （QTL） analysis in a recombinant inbred line （RIL） population, a set of 131 lines derived from Chuan 35050 × Shannong 483 cross （ChSh）. Grains from RILs were assayed for 21 quality traits related to protein and starch. A total of 35 putative QTLs for 19 traits with a single QTL explaining 7.99-40.52% of phenotypic variations were detected on 10 chromosomes, 1D, 2A, 2D, 3B, 3D, 5A, 6A, 6B, 6D, and 7B. The additive effects of 30 QTLs were positive, contributed by Chuan 35050, the remaining 5 QTLs were negative with the additive effect contributed by Shannong 483. For protein traits, 15 QTLs were obtained and most of them were located on chromosomes 1 D, 3B and 6D, while 20 QTLs for starch traits were detected and most of them were located on chromosomes 3D, 6B and 7B. Only 7 QTLs for protein and starch traits were co-located in three regions on chromosomes 1D, 2A and 2D. These protein and starch trait QTLs showed a distinct distribution pattern in certain regions and chromosomes. Twenty-two QTLs were clustered in 6 regions of 5 chromosomes. Two QTL clusters for protein traits were located on chromosomes 1D and 3B, respectively, three clusters for starch traits on chromosomes 3D, 6B and 7B, and one cluster including protein and starch traits on chromosome 1D.