Handling Updates for Cache-Answerability of XML Queries on the Web

摘要

Cache-answerability of XML queries is crucial for efficient support of XML database-backed Web applications. In this paper, we deal with XML updates for cache-answerability of XML queries on the Web. We consider the multi-tier architecture for XML database-backed applications on the Web where middle-tier XML caching at the application server is provided while the XML source update takes place at the data server. Implementation where relational DBMSs are employed as XML stores for the XML source as well as its cache is described, and the results of performance evaluation through a detailed set of experiments conducted on the real Web are reported.