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ICCSA
2007
Springer
15 years 6 months ago
An Automatic Correction Tool for Relational Algebra Queries
Abstract. Relational algebra is one of the main topics covered in undergraduate computer science database courses. In this paper, we present a web-based tool designed to automatica...
Josep Soler, Imma Boada, Ferran Prados, Jordi Poch...
BTW
2007
Springer
133views Database» more  BTW 2007»
15 years 3 months ago
Pathfinder: XQuery Compila-tion Techniques for Relational Database Targets
: Relational database systems are highly efficient hosts to table-shaped data. It is all the more interesting to see how a careful inspection of both, the XML tree structure as wel...
Jens Teubner
VLDB
2005
ACM
93views Database» more  VLDB 2005»
15 years 5 months ago
The TEXTURE Benchmark: Measuring Performance of Text Queries on a Relational DBMS
We introduce a benchmark called TEXTURE (TEXT Under RElations) to measure the relative strengths and weaknesses of combining text processing with a relational workload in an RDBMS...
Vuk Ercegovac, David J. DeWitt, Raghu Ramakrishnan
ISMIS
2003
Springer
15 years 5 months ago
NETMARK: A Schema-Less Extension for Relational Databases for Managing Semi-structured Data Dynamically
Object-Relational database management system is an integrated hybrid cooperative approach to combine the best practices of both the relational model utilizing SQL queries and the ...
David A. Maluf, Peter B. Tran
ICDE
1999
IEEE
89views Database» more  ICDE 1999»
16 years 1 months ago
Relative Prefix Sums: An Efficient Approach for Querying Dynamic OLAP Data Cubes
Range sum queries on data cubes are a powerful tool for analysis. A range sum query applies an aggregation operation (e.g., SUM) over all selected cells in a data cube, where the ...
Steven Geffner, Divyakant Agrawal, Amr El Abbadi, ...