492 search results - page 52 / 99 » Computing aggregations in database query languages |
ICPR
2000
IEEE
14 years 2 months ago
2000
IEEE
A collection of distributed databases forms an important architectural component of the ATON project for networked incidence management of highway traffic. The database sub-archit...
SAC
2011
ACM
13 years 22 days ago
2011
ACM
Spatial networks like transportation, power, and pipeline networks are a ubiquitous spatial concept in everyday life and play an important role for navigational and routing purpos...
CCGRID
2004
IEEE
14 years 1 months ago
2004
IEEE
Management of grid resource information is a challenging and important area considering the potential size of the grid and wide range of resources that should be represented. Thou...
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
CNL
2009
13 years 11 months ago
2009
Abstract. As it is well-known, querying and managing structured data in natural language is a challenging task due to its ambiguity (syntactic and semantic) and its expressiveness....