Sciweavers

1860 search results - page 38 / 372
» A Model of Queries for Object-Oriented Databases
Sort
View
99
Voted
ACMSE
2005
ACM
15 years 6 months ago
Metadata management and relational databases
A simple extension to the relational model that permits metadata (more generally metaknowledge) to be stored and manipulated as first class data is proposed. The accompanying que...
Shun Yan Cheung, James J. Lu, Catharine M. Wyss
103
Voted
ICDCS
1996
IEEE
15 years 4 months ago
Scaling Heterogeneous Databases and the Design of Disco
Access to large numbers of data sources introduces new problems for users of heterogeneous distributed databases. End users and application programmers must deal with unavailable ...
Anthony Tomasic, Louiqa Raschid, Patrick Valduriez
ICDE
2011
IEEE
243views Database» more  ICDE 2011»
14 years 4 months ago
Interactive SQL query suggestion: Making databases user-friendly
— SQL is a classical and powerful tool for querying relational databases. However, it is rather hard for inexperienced users to pose SQL queries, as they are required to be pro...
Ju Fan, Guoliang Li, Lizhu Zhou
121
Voted
DPD
2002
168views more  DPD 2002»
15 years 8 days ago
Evolutionary Algorithms for Allocating Data in Distributed Database Systems
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
Ishfaq Ahmad, Kamalakar Karlapalem, Yu-Kwong Kwok,...
118
Voted
ADC
2008
Springer
146views Database» more  ADC 2008»
15 years 6 months ago
A Typed Higher-Order Calculus for Querying XML Databases
As the eXtensible Markup Language (XML) is about to emerge as a new standard for databases, the problem of providing solid logical grounds for XML query languages arises. For the ...
Qing Wang, Klaus-Dieter Schewe