Search Driven Analysis of Heterogenous XML Data

Details Search Driven Analysis of Heterogenous XML Data Search Driven Analysis of Heterogenous XML Data

2009-09-09

arxiv.org/abs/0909.1773v1

Computer Science

Databases

CIDR 2009

Scientific paper

Analytical processing on XML repositories is usually enabled by designing complex data transformations that shred the documents into a common data warehousing schema. This can be very time-consuming and costly, especially if the underlying XML data has a lot of variety in structure, and only a subset of attributes constitutes meaningful dimensions and facts. Today, there is no tool to explore an XML data set, discover interesting attributes, dimensions and facts, and rapidly prototype an OLAP solution. In this paper, we propose a system, called SEDA that enables users to start with simple keyword-style querying, and interactively refine the query based on result summaries. SEDA then maps query results onto a set of known, or newly created, facts and dimensions, and derives a star schema and its instantiation to be fed into an off-the-shelf OLAP tool, for further analysis.

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