The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The aim of the paper is to explore, analyze and develop an intelligent map agent based mobile-side model that supports mobile computing, with the consideration of the new structure of data management and multi-engines. Interaction and cooperation between intelligent mobile devices and service center, integration of existing technologies and exploitation of intelligent mobile computing provide the...
In this paper, after fully discussed workflow and components techniques in home and abroad, the author put forward urban communication network resource management data center theory and describe design project in detail, with a new generation of GIS software architecture theory and communication network resource management system experience, this academic research and practical innovation has great...
With the information technology developing rapidly, the enterprise application scale expands massed. The appearance of new technology doesn't solve the problem of the software productive forces. The attempt to new method can not shake off the "shackles" of "silver bullet" yet. Where will the enterprise application development go? This article simply describes the system frame of...
Spatial indexes arranged by some sequence, are related to the positions, shapes of geographic entities and relations among them, which describe the outline info of object identifier (OID), minimum bounding rectangle (MBR) and pointers to storage location. Usually, the index situated between the spatial operating algorithms and the entities, enhances the efficiency of spatial operations by filtering...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.