140 search results - page 14 / 28 » RDF Aggregate Queries and Views |
ICLP
2007
Springer
14 years 3 months ago
2007
Springer
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...
IDEAS
1999
IEEE
14 years 1 months ago
1999
IEEE
Data-warehousing applications cope with enormous data sets in the range of Gigabytes and Terabytes. Queries usually either select a very small set of this data or perform aggregat...
LCPC
2004
Springer
14 years 2 months ago
2004
Springer
There is an increasing trends towards distributed and shared repositories for storing scientific datasets. Developing applications that retrieve and process data from such reposit...
SIGMOD
2000
ACM
14 years 1 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
CAISE
2006
Springer
14 years 22 days ago
2006
Springer
Answering performance to business queries, mainly of aggregated nature, known as On-Line Analytical Processing queries, depends heavily on the proper selection of multidimensional ...