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» Extended Path Expressions for XML
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WEBDB
2004
Springer
80views Database» more  WEBDB 2004»
14 years 2 months ago
Unraveling the Duplicate-Elimination Problem in XML-to-SQL Query Translation
We consider the scenario where existing relational data is exported as XML. In this context, we look at the problem of translating XML queries into SQL. XML query languages have t...
Rajasekar Krishnamurthy, Raghav Kaushik, Jeffrey F...
ICDE
2002
IEEE
206views Database» more  ICDE 2002»
14 years 10 months ago
Exploiting Local Similarity for Indexing Paths in Graph-Structured Data
XML and other semi-structured data may have partially specified or missing schema information, motivating the use of a structural summary which can be automatically computed from ...
Raghav Kaushik, Pradeep Shenoy, Philip Bohannon, E...
IS
2007
13 years 8 months ago
Schema-conscious XML indexing
User queries on extensible markup language (XML) documents are typically expressed as regular path expressions. A variety of indexing techniques for efficiently retrieving the re...
Krishna P. Leela, Jayant R. Haritsa
WEBDB
2001
Springer
113views Database» more  WEBDB 2001»
14 years 1 months ago
Indexing XML Data with ToXin
Indexing schemes for semistructured data have been developed in recent years to optimize path query processing by summarizing path information. However, most of these schemes can ...
Flavio Rizzolo, Alberto O. Mendelzon
IDEAS
2010
IEEE
238views Database» more  IDEAS 2010»
13 years 7 months ago
An integrative approach to query optimization in native XML database management systems
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
Andreas M. Weiner, Theo Härder