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ICDT
2003
ACM
91views Database» more  ICDT 2003»
14 years 2 months ago
Reformulation of XML Queries and Constraints
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...
Alin Deutsch, Val Tannen
VLDB
2007
ACM
145views Database» more  VLDB 2007»
14 years 9 months ago
LCS-TRIM: Dynamic Programming Meets XML Indexing and Querying
In this article, we propose a new approach for querying and indexing a database of trees with specific applications to XML datasets. Our approach relies on representing both the q...
Shirish Tatikonda, Srinivasan Parthasarathy, Matth...
ICDE
2002
IEEE
130views Database» more  ICDE 2002»
14 years 11 months ago
Structural Joins: A Primitive for Efficient XML Query Pattern Matching
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
Shurug Al-Khalifa, H. V. Jagadish, Jignesh M. Pate...
DBKDA
2010
IEEE
169views Database» more  DBKDA 2010»
14 years 2 months ago
XLeaf: Twig Evaluation with Skipping Loop Joins and Virtual Nodes
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
Nils Grimsmo, Truls Amundsen Bjørklund, &Os...
SIGMOD
2009
ACM
175views Database» more  SIGMOD 2009»
14 years 9 months ago
Keyword search on structured and semi-structured data
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
Yi Chen, Wei Wang 0011, Ziyang Liu, Xuemin Lin