Geographic information system(GIS)technology is a combination of computer’s graphic and database to store and process spatial information.According to the users’ demands,GIS exports the exact geographic information ...Geographic information system(GIS)technology is a combination of computer’s graphic and database to store and process spatial information.According to the users’ demands,GIS exports the exact geographic information and related in- formation for users with map and description through associating geographic place and related attributes.Based on the existing pop- ular technology,this paper presents a distributed web GIS application based on component technology and fractal image compres- sion.It presents the basic framework of the proposed system at first,and then discusses the key technology of implementing this sys- tem;finally it designs a three-layer WEB GIS instance using VC++ATL based on Geo Beans.The example suggests the proposed design is correct,feasible and valid.展开更多
The paper proposes an architectural model of web-based geographic information system based on mashup-technologies. Represented system is designed using the programming patterns and is used to control access rights to ...The paper proposes an architectural model of web-based geographic information system based on mashup-technologies. Represented system is designed using the programming patterns and is used to control access rights to various functions or objects in the system.展开更多
Web service is characterized by its isomerism and loose coupling;thus greatly facilitate the application of operation in distributed situation,but its disadvantages cause serious safety problems.The principium and cha...Web service is characterized by its isomerism and loose coupling;thus greatly facilitate the application of operation in distributed situation,but its disadvantages cause serious safety problems.The principium and characteristic of Web service classical attack technology are expatiated,classical attack techniques are classified,and attack technology is simulated,and then,the directions and the future of Web security are discussed.展开更多
In the light of the defect of web vulnerability detection system, combined with the characteristics of high efficient and sharing in the cloud environment, a design proposal is presented based on cloud environment, wh...In the light of the defect of web vulnerability detection system, combined with the characteristics of high efficient and sharing in the cloud environment, a design proposal is presented based on cloud environment, which analyses the key technology of gaining the URL, task allocation and scheduling and the design of attack detection. Experiment shows its feasibility and effectiveness in this paper.展开更多
On the research work of CORBA technology,this paper proposes a new database publishing method:the database publishing based on CORBA. The paper outlines CORBA firstly,then puts forward the structure of the database pu...On the research work of CORBA technology,this paper proposes a new database publishing method:the database publishing based on CORBA. The paper outlines CORBA firstly,then puts forward the structure of the database publishing model based on CORBA,at last the concrete scheme of this structure model is proposed.展开更多
文摘Geographic information system(GIS)technology is a combination of computer’s graphic and database to store and process spatial information.According to the users’ demands,GIS exports the exact geographic information and related in- formation for users with map and description through associating geographic place and related attributes.Based on the existing pop- ular technology,this paper presents a distributed web GIS application based on component technology and fractal image compres- sion.It presents the basic framework of the proposed system at first,and then discusses the key technology of implementing this sys- tem;finally it designs a three-layer WEB GIS instance using VC++ATL based on Geo Beans.The example suggests the proposed design is correct,feasible and valid.
文摘The paper proposes an architectural model of web-based geographic information system based on mashup-technologies. Represented system is designed using the programming patterns and is used to control access rights to various functions or objects in the system.
文摘Web service is characterized by its isomerism and loose coupling;thus greatly facilitate the application of operation in distributed situation,but its disadvantages cause serious safety problems.The principium and characteristic of Web service classical attack technology are expatiated,classical attack techniques are classified,and attack technology is simulated,and then,the directions and the future of Web security are discussed.
文摘In the light of the defect of web vulnerability detection system, combined with the characteristics of high efficient and sharing in the cloud environment, a design proposal is presented based on cloud environment, which analyses the key technology of gaining the URL, task allocation and scheduling and the design of attack detection. Experiment shows its feasibility and effectiveness in this paper.
文摘On the research work of CORBA technology,this paper proposes a new database publishing method:the database publishing based on CORBA. The paper outlines CORBA firstly,then puts forward the structure of the database publishing model based on CORBA,at last the concrete scheme of this structure model is proposed.
