243 search results - page 37 / 49 » A Heuristics-Based Approach to Query Optimization in Structu... |
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EDBT
2011
ACM
14 years 29 days ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
VLDB
2001
ACM
15 years 1 months ago
2001
ACM
Queries navigate semistructured data via path expressions, and can be accelerated using an index. Our solution encodes paths as strings, and inserts those strings into a special i...
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
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BTW
2003
Springer
15 years 2 months ago
2003
Springer
: We propose a multidimensional approach to store XML data in relational database systems. In contrast to other efforts we suggest a solution to the problem using established datab...
EUROPAR
2008
Springer
14 years 11 months ago
2008
Springer
We present a distributed index data structure and algorithms devised to support parallel query processing of multimedia content in search engines. We present a comparative study wi...