2674 search results - page 63 / 535 » Data Models and Query Languages for Spatial Databases |
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...
LREC
2010
13 years 9 months ago
2010
Automatically translating natural language into machine-readable instructions is one of major interesting and challenging tasks in Natural Language (NL) Processing. This problem c...
ICDE
1989
IEEE
13 years 11 months ago
1989
IEEE
DBPL
1993
Springer
13 years 11 months ago
1993
Springer
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...
SIGMOD
2012
ACM
11 years 10 months ago
2012
ACM
The popularity of mobile social networking services (mSNSs) is propelling more and more businesses, especially those in retailing and marketing, into mobile and location-based for...