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Talks & Seminars
Using XML to leverage and integrate information
Sriram Padmanabhan, IBM TJ Watson Research Center
Date & Time: March 11, 2003 14:30
Venue: Seminar Hall
Abstract:
XML has been embraced as a vehicle for structuring and encoding data for interchange. However, much work remains to be done for XML to provide real impact in the data management domain. In particular, there is a definite need for robust database engines to process XML data efficiently. In this talk, I will provide an overview of IBM's view of the role of XML in enabling information integration and a high-level architecture of XML processing. With this architecture as a background, I will describe two research projects in my group, XMLshred and Label-tree. The XMLshred project addresses the issue of efficient shredding of input XML documents based on schema. XMLshred identifies path expressions from a given mapping, generates shred trees, and uses these trees for efficient shredding. The Label-tree is an auxiliary data structure that enables maintenance of order in documents in the presence of updates. I will describe the issues, the main design elements of the Label-tree, and its use for order maintenance in the presence of updates.
Speaker Profile:
Sriram Padmanabhan, Manager, Scalable Data Management Group, IBM TJ Watson Research Center
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