227 search results - page 40 / 46 » Ranking-based processing of SQL queries |
ICDE
2006
IEEE
14 years 3 months ago
2006
IEEE
Currently, only few XML data management systems support concurrent access to an XML document, and if they do, they typically apply variations of hierarchical locking to handle XML...
CIKM
2005
Springer
2005
Springer
Detecting changes on unordered XML documents using relational databases: a schema-conscious approach
14 years 3 months ago
Several relational approaches have been proposed to detect the changes to XML documents by using relational databases. These approaches store the XML documents in the relational d...
EDBT
2009
ACM
14 years 4 months ago
2009
ACM
Annotations play a key role in understanding and curating databases. Annotations may represent comments, descriptions, lineage information, among several others. Annotation manage...
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
Data Cleaning is an important process that has been at the center of research interest in recent years. An important end goal of effective data cleaning is to identify the relatio...
SIGMOD
1996
ACM
14 years 1 months ago
1996
ACM
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...