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» Path Constraints in Semistructured Databases
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ICDT
2001
ACM
162views Database» more  ICDT 2001»
15 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
EDBTW
2006
Springer
14 years 11 months ago
Efficient Integrity Checking over XML Documents
The need for incremental constraint maintenance within collections of semi-structured documents has been ever increasing in the last years due to the widespread diffusion of XML. T...
Daniele Braga, Alessandro Campi, Davide Martinengh...
WWW
2011
ACM
14 years 4 months ago
Growing parallel paths for entity-page discovery
In this paper, we use the structural and relational information on the Web to find entity-pages. Specifically, given a Web site and an entity-page (e.g., department and faculty ...
Tim Weninger, Fabio Fumarola, Cindy Xide Lin, Rick...
SIGMOD
2005
ACM
150views Database» more  SIGMOD 2005»
15 years 9 months ago
Incremental Maintenance of Path Expression Views
Caching data by maintaining materialized views typically requires updating the cache appropriately to reflect dynamic source updates. Extensive research has addressed the problem ...
Arsany Sawires, Jun'ichi Tatemura, Oliver Po, Divy...
ICDE
1999
IEEE
151views Database» more  ICDE 1999»
15 years 11 months ago
Data Integration by Describing Sources with Constraint Databases
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
Xun Cheng, Guozhu Dong, Tzekwan Lau, Jianwen Su