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VLDB
2001
ACM
168views Database» more  VLDB 2001»
16 years 4 months ago
Answering queries using views: A survey
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
Alon Y. Halevy
ICDE
2008
IEEE
131views Database» more  ICDE 2008»
16 years 5 months ago
Parallel Evaluation of Composite Aggregate Queries
Aggregate measures summarizing subsets of data are valuable in exploratory analysis and decision support, especially when dependent aggregations can be easily specified and compute...
Lei Chen 0003, Christopher Olston, Raghu Ramakrish...
CC
2010
Springer
141views System Software» more  CC 2010»
15 years 11 months ago
JReq: Database Queries in Imperative Languages
Instead of writing SQL queries directly, programmers often prefer writing all their code in a general purpose programming language like Java and having their programs be automatica...
Ming-Yee Iu, Emmanuel Cecchet, Willy Zwaenepoel
ICLP
2007
Springer
15 years 10 months ago
DLVHEX-SPARQL: A SPARQL Compliant Query Engine Based on DLVHEX
This paper describes the dlvhex SPARQL plugin, a query processor for the upcoming Semantic Web query language standard by W3C. We report on the implementation of this languages usi...
Axel Polleres, Roman Schindlauer
DEXAW
2007
IEEE
141views Database» more  DEXAW 2007»
15 years 10 months ago
SWARD: Semantic Web Abridged Relational Databases
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...
Johan Petrini, Tore Risch