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» Querying Complex Structured Databases
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SEMWEB
2004
Springer
14 years 1 months ago
Querying Faceted Databases
Faceted classification allows one to model applications with complex classification hierarchies using orthogonal dimensions. Recent work has examined the use of faceted classi...
Kenneth A. Ross, Angel Janevski
ICDE
2004
IEEE
137views Database» more  ICDE 2004»
14 years 9 months ago
Selectivity Estimation for XML Twigs
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
EDBT
2008
ACM
124views Database» more  EDBT 2008»
14 years 8 months ago
Multi-dimensional search for personal information management systems
With the explosion in the amount of semi-structured data users access and store in personal information management systems, there is a need for complex search tools to retrieve of...
Amélie Marian, Christopher Peery, Thu D. Ng...
ER
2007
Springer
173views Database» more  ER 2007»
14 years 2 months ago
Cost-Based Fragmentation for Distributed Complex Value Databases
The major purpose of the design of distributed databases is to improve system performance and to increase system reliability. Fragmentation and allocation play important roles in t...
Hui Ma, Markus Kirchberg
INFSOF
2007
98views more  INFSOF 2007»
13 years 7 months ago
Indexing range sum queries in spatio-temporal databases
Although spatio-temporal databases have received considerable attention recently, there has been little work on processing range sum queries on the historical records of moving ob...
Hyung-Ju Cho, Chin-Wan Chung