Sciweavers

VLDB
1995
ACM
129views Database» more  VLDB 1995»
13 years 7 months ago
A Cost Model for Clustered Object-Oriented Databases
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
Georges Gardarin, Jean-Robert Gruser, Zhao-Hui Tan...
VLDB
2001
ACM
100views Database» more  VLDB 2001»
13 years 8 months ago
VXMLR: A Visual XML-Relational Database System
We demonstrate a visual based XML-Relational database system where XML data is managed by commercial RDBMS. A query interface enables users to form path expression based queries a...
Aoying Zhou, Hongjun Lu, Shihui Zheng, Yuqi Liang,...
ICDE
2002
IEEE
181views Database» more  ICDE 2002»
13 years 9 months ago
YFilter: Efficient and Scalable Filtering of XML Documents
Soon, much of the data exchanged over the Internet will be encoded in XML, allowing for sophisticated filtering and content-based routing. We have built a filtering engine called ...
Yanlei Diao, Peter M. Fischer, Michael J. Franklin...
DASFAA
2003
IEEE
84views Database» more  DASFAA 2003»
13 years 9 months ago
Supporting Selection-Projection XQuery Processing Based on Encoding Paths
Providing an efficient way to support XML query processing has become a very important issue. A system called XQP (XQuery Processor) is proposed in this paper to meet the need. X...
Ya-Hui Chang, Cheng-Ta Lee
WAIM
2004
Springer
13 years 9 months ago
Estimating the Selectivity of XML Path Expression with Predicates by Histograms
Selectivity estimation of path expressions in querying XML data plays an important role in query optimization. A path expression may contain multiple branches with predicates, each...
Yu Wang, Haixun Wang, Xiaofeng Meng, Shan Wang
PPOPP
2009
ACM
14 years 4 months ago
Software transactional distributed shared memory
We have developed a transaction-based approach to distributed shared memory(DSM) that supports object caching and generates path expression prefetches. A path expression specifies...
Alokika Dash, Brian Demsky