Sciweavers

687 search results - page 45 / 138
» Query Transformation for PSJ-Queries
Sort
View
BTW
2007
Springer
236views Database» more  BTW 2007»
14 years 20 days ago
A Classification of Schema Mappings and Analysis of Mapping Tools
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
Frank Legler, Felix Naumann
ICDE
2009
IEEE
180views Database» more  ICDE 2009»
14 years 10 months ago
Outsourcing Search Services on Private Spatial Data
Social networking and content sharing service providers, e.g., Facebook and Google Maps, enable their users to upload and share a variety of user-generated content, including locat...
Man Lung Yiu, Gabriel Ghinita, Christian S. Jensen...
WEBDB
2005
Springer
101views Database» more  WEBDB 2005»
14 years 2 months ago
T-SIX: An Indexing System for XML Siblings
We present a system for efficient indexed querying of XML documents, enhanced with sibling operations. R-tree index proposed in [5] has a very high cost for the following-sibling...
SungRan Cho
BTW
2009
Springer
133views Database» more  BTW 2009»
14 years 3 hour ago
High-Dimensional Indexing for Multimedia Features
Abstract: Efficient content-based similarity search in large multimedia databases requires efficient query processing algorithms for many practical applications. Especially in hi...
Ira Assent, Stephan Günnemann, Hardy Kremer, ...
BNCOD
2007
137views Database» more  BNCOD 2007»
13 years 10 months ago
Isolating Order Semantics in Order-Sensitive XQuery-to-SQL Translation
Order is essential for XML query processing. Efficient XML processing with order consideration over relational storage is non-trivial, especially for complex nested XQuery expressi...
Song Wang, Ling Wang, Elke A. Rundensteiner