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» An Algebra for XML Query
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ICDT
2001
ACM
162views Database» more  ICDT 2001»
14 years 2 months ago
Algebraic Rewritings for Optimizing Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
Gösta Grahne, Alex Thomo
WEBDB
2010
Springer
167views Database» more  WEBDB 2010»
14 years 2 months ago
Tree patterns with Full Text Search
Tree patterns with full text search form the core of both XQuery Full Text and the NEXI query language. On such queries, users expect a relevance-ranked list of XML elements as an...
Maria-Hendrike Peetz, Maarten Marx
SIGMOD
2002
ACM
141views Database» more  SIGMOD 2002»
13 years 9 months ago
Bringing Order to Query Optimization
A variety of developments combine to highlight the need for respecting order when manipulating relations. For example, new functionality is being added to SQL to support OLAP-styl...
Giedrius Slivinskas, Christian S. Jensen, Richard ...
DBPL
1995
Springer
144views Database» more  DBPL 1995»
14 years 1 months ago
An Algebraic Framework for Physical OODB Design
Physical design for object-oriented databases is still in its infancy. Implementation decisions often intrude into the conceptual design (such as inverse links and object decompos...
Leonidas Fegaras, David Maier
VLDB
2004
ACM
81views Database» more  VLDB 2004»
14 years 3 months ago
ShreX: Managing XML Documents in Relational Databases
We describe ShreX, a freely-available system for shredding, loading and querying XML documents in relational databases. ShreX supports all mapping strategies proposed in the liter...
Fang Du, Sihem Amer-Yahia, Juliana Freire