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有关信函分拣机几个技术问题的思考
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作者 周立宇 《邮政研究》 1998年第1期37-38,40,共3页
文章以解决提高信函分拣机性能的几个技术问题为目的,通过对我国部分省市引进信函分拣机后的技术经济分析,提出了引进设备时应考虑引进一体机、配备条码打印设备、实现消耗品国产化、确立格口与直封局数分拣机配套、选用全码输入、堵... 文章以解决提高信函分拣机性能的几个技术问题为目的,通过对我国部分省市引进信函分拣机后的技术经济分析,提出了引进设备时应考虑引进一体机、配备条码打印设备、实现消耗品国产化、确立格口与直封局数分拣机配套、选用全码输入、堵塞不规范编码书写和非标准信封入局等一系列措施,以期得到较好的经济效益。 展开更多
关键词 信函分拣机 格口 直封局数 视频标码 全码输入
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Multi-Level Cryptographic Functions for the Functionalities of Open Database System
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作者 Akinwale Taofiki Adio Adekoya Felix Adebayo Ooju Emmanuel Oluwafemi 《Computer Technology and Application》 2011年第9期730-735,共6页
The purpose of this paper is to design and implement a secure open database system for organizations that are increasingly opened up their information for easy access by different users. The work proposed some functio... The purpose of this paper is to design and implement a secure open database system for organizations that are increasingly opened up their information for easy access by different users. The work proposed some functionalities such as open password entry with active boxes, combined encryption methods and agent that can be incorporated into an open database system. It designed and implemented an algorithm that would not allow users to have free access into open database system. A user entering his password only needs to carefully study the sequence of codes and active boxes that describe his password and then enter these codes in place of his active boxes. The approach does not require the input code to be hidden from anyone or converted to place holder characters for security reasons. Integrating this scheme into an open database system is viable in practice in term of easy use and will improve security level of information. 展开更多
关键词 Database system CRYPTOGRAPHY agent random number PEER-TO-PEER algorithm
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