收稿日期: 2014-07-07
修回日期: 2014-08-11
网络出版日期: 2014-10-05
基金资助
本文系中国人民大学科学研究基金（中央高校基本科研业务费专项资金资助）“信息生命周期交叠及其对网络信息生态系统的影响——基于泛在网络情境的研究”（项目编号：14XNH223）研究成果之一。
Research on Information Lifecycle Overlap ——Taking the Performance in Ubiquitous Information Environment as Example
Received date: 2014-07-07
Revised date: 2014-08-11
Online published: 2014-10-05
姜祎 , 赵苹 . 信息生命周期交叠现象研究——以泛在信息环境中的表现为例[J]. 图书情报工作, 2014 , 58(19) : 45 -52 . DOI: 10.13266/j.issn.0252-3116.2014.19.007
A complete information lifecycle can be divided into four stages, value formation, value activation and accumulation, value realization and value extinction according to the process of information value movement. When the information was used not only by the original information ecological chain but also by several loose-linked ecological chain, the value of information may increase irregularly and irrelevantly for many times. This situation can be defined as information lifecycle overlap. Furthermore, from the perspective of the behavior of information subject, there are three types of information lifecycle overlap, mutual benefit, one-side priority and gain at others' expense. Finally the dissemination of information follows user-centered net model in ubiquitous information environment, which promotes information lifecycle overlapping, information value fluctuation and risk expansion in information dissemination process, and brings greater challenges to information management practices.
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