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» Efficiency of Nested Relational Document Database Systems
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DBPL
1997
Springer
87views Database» more  DBPL 1997»
13 years 10 months ago
Incremental Recomputation of Recursive Queries with Nested Sets and Aggregate Functions
We examine the power of incremental evaluation systems that use an SQL-like language for maintaining recursively-de ned views. We show that recursive queries such as transitive clo...
Leonid Libkin, Limsoon Wong
IJSWIS
2008
135views more  IJSWIS 2008»
13 years 5 months ago
Efficient Processing of RDF Queries with Nested Optional Graph Patterns in an RDBMS
Relational technology has shown to be very useful for scalable Semantic Web data management. Numerous researchers have proposed to use RDBMSs to store and query voluminous RDF dat...
Artem Chebotko, Shiyong Lu, Mustafa Atay, Farshad ...
ISMIS
2003
Springer
13 years 11 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
IMCSIT
2010
13 years 3 months ago
Quality Benchmarking Relational Databases and Lucene in the TREC4 Adhoc Task Environment
The present work covers a comparison of the text retrieval qualities of open source relational databases and Lucene, which is a full text search engine library, over English docume...
Ahmet Arslan, Ozgur Yilmazel
VLDB
2005
ACM
162views Database» more  VLDB 2005»
13 years 11 months ago
XQuery Implementation in a Relational Database System
Many enterprise applications prefer to store XML data as a rich data type, i.e. a sequence of bytes, in a relational database system to avoid the complexity of decomposing the dat...
Shankar Pal, Istvan Cseri, Oliver Seeliger, Michae...