RSS and Atom feeds are XML representations of the entries in frequently updating websites, which enable users to subscribe to those syndicated contents using feed readers. As feeds are gaining more and more adoptions due to the ubiquity of blogs, various extensions are written for them to carry more semantic information. Ordinary tools which treat them as simple XML documents on the web are not sufficient for application development.
In this paper, a middleware is proposed to aid application development involving RSS/Atom feeds. It handles fetching, parsing and storage of feeds for developers and provides them with a set of easy-to-use interfaces to write procedural and event-driven applications. Compared with the Windows RSSPlatform, it is more flexible and easier to work with. When extended with industrial-strength databases and servers, it can be used by organizations or individuals to solve real world integration problems.
Data backup is the foundation of data protection, and improved continually on the aspects of backup performance, restore performance, redundancy of backup data and use efficiency of media space. But all existing backup method usually can not harmonize these aspects mentioned above.This paper presents a novel backup method: a backup method based on a cross-version integration mechanism. It explores a suitable approach which harmonizes these aspects mentioned above. BM-CVI uses differential incremental backup policy to complete data backup, so it has the best backup performance. Based on the cross-version integration mechanism, BM-CVI chooses appropriate redundancy degree between appointed upper limit and lower limit, and integrates data in order to efficiently use media space. When using random access media, BM-CVI can achieve the best restore performance by version integration mechanism.
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