数字图书馆管理中的用户时间成本控制-搜索结果-中国图情期刊联盟网 关键词】: 数字图书馆管理 用户时间成本 用户服务 [gap=573]Key words】:digital library management; users’ time cost; reader service
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它们是由用户或业务分析员在相对短的时间内创建的,并且几乎不需要IT资源成本。
They are created by the user or business analyst in relatively short periods of time with little or no additional costs to cover it resources.
这里所说的成本可能是下面的度量之一:每次查询执行的执行时间、每次查询执行的用户CPU时间、以及每次查询执行的系统CPU时间。
The cost can be one of the following metrics: execution time per query execution, user CPU time per query execution, and system CPU time per query execution.
除了少数极为成功程序之外,免费路线是不合适的,因为用户根本没花足够的时间让开发者可以通过广告来收回成本。
For all but the most successful apps, the free route does not make much sense because there is not enough time to recoup the costs of developing the app from advertising.
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