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语料库视角下的盲文规范化问题研究

北京联合大学学报 2025年第1期39卷 78-85页

作者：钟经华耿楠阎嘉北京联合大学特殊教育学院北京100075

长期以来,盲文领域主要采用传统方法进行研究,存在效率低、覆盖面窄、主观性强、共享性差等问题。目前,我国已建成国际上首个千万级规模的具备盲文触觉(单方、整体)、对照(汉字—拼音)、语言学(声调、分词连写)三维六层特征的精标注盲... 详细信息

长期以来,盲文领域主要采用传统方法进行研究,存在效率低、覆盖面窄、主观性强、共享性差等问题。目前,我国已建成国际上首个千万级规模的具备盲文触觉(单方、整体)、对照(汉字—拼音)、语言学(声调、分词连写)三维六层特征的精标注盲文语料库,利用这一语料库对盲文进行量化研究,能够促进对我国盲文发展全貌的把握和了解。从标调一致性、分词一致性等方面对盲文进行全面的定量分析,指出现行盲文中存在的问题,为下一步《国家通用盲文方案》的修订和盲文规范化建设提供建议和对策,以提升盲文出版的规范化水平。

关键词：汉语盲文语料库国家通用盲文方案盲文规范化

NaEPASC:a novel and efficient public auditing scheme for cloud data

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Journal of Zhejiang University-Science C(Computers and Electronics) 2014年第9期15卷 794-804页

作者： Shuang TAN yan jia School of Computer National University of Defense Technology

Cloud computing is deemed the next-generation information technology(IT) platform, in which a data center is crucial for providing a large amount of computing and storage resources for various service applications with high quality guaranteed. However, cloud users no longer possess their data in a local data storage infrastructure,which would result in auditing for the integrity of outsourced data being a challenging problem, especially for users with constrained computing resources. Therefore, how to help the users complete the verification of the integrity of the outsourced data has become a key issue. Public verification is a critical technique to solve this problem, from which the users can resort to a third-party auditor(TPA) to check the integrity of outsourced data. Moreover,an identity-based(ID-based) public key cryptosystem would be an efficient key management scheme for certificatebased public key setting. In this paper, we combine ID-based aggregate signature and public verification to construct the protocol of provable data integrity. With the proposed mechanism, the TPA not only verifies the integrity of outsourced data on behalf of cloud users, but also alleviates the burden of checking tasks with the help of users' identity. Compared to previous research, the proposed scheme greatly reduces the time of auditing a single task on the TPA side. Security analysis and performance evaluation results show the high efficiency and security of the proposed scheme.

关键词： Cloud storage Public verification Identity-based aggregate signature

The representations of two types of functionals on L^∞(Ω,F) and L^∞(Ω,F,P)

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Science China Mathematics 2006年第10期49卷 1376-1382页

作者： SONG Yongsheng yan jia'an Institute of Applied Mathematics Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100080 China Institute of Applied Mathematics Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100080 China

This article gives the representations of two types of real functionals on Z∞(Ω,F) or L∞(Ω,F,P) in terms of Choquet integrals. These functionals are comonotonically subadditive and comonotonically convex, respecti... 详细信息

关键词： Choquet integral, comonotonically subadditive, comonotonically convex.

Jensen’s Inequality Under Nonlinear Expectation Generated by BSDE with Jumps

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Acta Mathematicae Applicatae Sinica 2019年第4期35卷 873-884页

作者： Na ZHANG Guang-yan jia School of Science Tianjin University of Technology Tianjin 300384 China Zhongtai Securities Institute for Financial Studies Shandong University Jinan 250100 China

In this paper, we study Jensen’s inequality under f-expectation, which is a nonlinear expectation generated by backward stochastic differential equations(BSDEs) with jumps. We connect f-convex functions with the viscosity solutions of a kind of integral partial differential equations(IPDEs) with non-local *** find that under Lipschitz condition, the f-convex function is still convex in the usual sense, i.e., the jumps shrink the range of ‘convex’ functions.

关键词： backward stochastic differential equation with jumps f-convexity Jensen’s inequality

A New Representation for Second Order Stochastic Integral-differential Operators and Its Applications

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Acta Mathematicae Applicatae Sinica 2015年第1期31卷 59-70页

作者： Guang-yan jia Na ZHANG Qilu Securities Institute for Financial Studies Shandong University College of Management and Economics Tianjin University China Center for Social Computing Tianjin University

In this paper, we＇ll prove new representation theorems for a kind of second order stochastic integral- differential operator by stochastic differential equations （SDEs） and backward stochastic differential equatio... 详细信息

关键词： backward stochastic differential equation with jumps representation theorem stochastic integral-differential operator f-expectation

Wick Calculus for Nonlinear Gaussian Functionals

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Acta Mathematicae Applicatae Sinica 2009年第3期25卷 399-414页

作者： Yao-zhong Hu jia-an yan Department of Mathematics University of Kansas 405 Snow Hall Lawrence Kansas 66045-2142 USA 2Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100190 China

This paper surveys some results on Wick product and Wick renormalization. The framework is the abstract Wiener space. Some known results on Wick product and Wick renormalization in the white noise analysis framework are presented for classical random variables. Some conditions are described for random variables whose Wick product or whose renormalization are integrable random variables. Relevant results on multiple Wiener integrals, second quantization operator, Malliavin calculus and their relations with the Wick product and Wick renormalization are also briefly presented. A useful tool for Wick product is the S-transform which is also described without the introduction of generalized random variables.

关键词： Malliavin calculus multiple integral chaos decomposition Wick product Wick renormalization

High Temperature Phase Transitions of Graphene Oxide Paper from Graphite Oxide Solution

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Journal of Materials Science & Technology 2014年第11期30卷 1088-1091页

作者： yan-jia Liou Wu-Jang Huang Department of Environmental Engineering and Science National Ping-Tung University of Science and Technology

Graphene oxide paper （GOP） can be prepared through simplified filtration of a graphite oxide solution. It possesses similar properties to graphene. In this study, the graphite oxide solution was synthesized from commercial graphite by means of Hummer＇s method. It corresponds to the dried GOP that was prepared by deposition on a cellulose filter. It is found that the mesophase of the dried graphene oxide papers obtained from the graphite was thermotropic hexagonal columnar liquid crystal. Its higher temperature transitions were found at 80 ℃, 150 ℃ and 170 ℃-180 ℃. Therefore, it could be used for thermal storage and conductive materials in the future.

关键词： Graphite oxide Graphite Graphene Phase transition

Quantitative Analysis of Graphene Sheet Content in Wood Char Powders during Catalytic Pyrolysis

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Journal of Materials Science & Technology 2013年第5期29卷 406-410页

作者： yan-jia Liou Wu-Jang Huang Department of Environmental Engineering and Science National Ping-Tung University of Science and TechnologyPing-Tung CountyTaiwanChina

The quantitative characterization of the graphene sheet content in carbon-containing materials is arguable and has not yet been developed. The authors report on a feasible method to characterize graphene sheet content quantitatively in pyrolized carbon materials using an X-ray diffraction （XRD） spectrometer. A direct carbonation at 300℃ followed by catalytic pyrolysis （heat-treatment temperature was set at 700-1400 ℃） under a vacuum condition was used for turning wood waste into pyrolized wood char powders. The graphene content in the samples was calculated through an analysis of full width at half maximum （FWHM） of the carbon （100） crystal plane at around 42°-43° in XRD. Results showed that the FWHM and the calculated graphene sheet content of pyrolized wood char powders depended on the heat-treatment temperature, and the FWHM of wood char powder with well-developed graphene sheets （100%） was determined to be 5.0. In addition, the trend to 100% graphene sheet-contained pyrolized carbon powder was obtained at a heattreatment temperature of 2700 ℃. The resistivity of the wood char powder with 100% graphene sheets was predicted to be 0.01 Ω cm, close to our experimental data of 0.012 and 0.006 Ω cm for commercial graphite and graphene products, respectively.

关键词： Wood char Full width at half maximum Graphene Pyrolysis

Characterization of and advanced diagnostic methods for ocular tuberculosis and tuberculosis

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International Journal of Ophthalmology(English edition) 2020年第11期13卷 1820-1826页

作者： Wei-jia yan Hai-yan Zhou Hong yan Xi'an People's Hospital(Xi'an Fourth Hospital) Affiliated Northwestern Polytechnical UniversityShaanxi Eye HospitalXi’an 710004Shaanxi ProvinceChina Department of Infection Immunity&Cardiovascular DiseaseUniversity of SheffieldMedical SchoolSheffield S1O 2RXUK Department of Ophthalmology Shaanxi Provincial People’s HospitalXi’an 710068Shaanxi ProvinceChina

Tuberculosis(TB)is an airborne infection caused by Mycobacterium tuberculosis that usually affects the *** treatment of active TB,diagnosis and prevention of latent TB are very ***,extrapulmonary TB affects almost any tissues around the eye and orbit,and it then requires a high degree of suspicion to accurately *** delays are common and may lead to *** ophthalmologists and infectious disease specialists,it is important to work together to accurately diagnose and treat ocular tuberculosis(OTB)to prevent vision *** review reports the latest advanced diagnostic methods for active TB and latent TB as well as various known manifestations of *** elements of diagnosis and treatment are also reviewed.

关键词： latent tuberculosis ocular tuberculosis diagnosis