622 search results - page 10 / 125 » Query Languages and Data Models for Database Sequences and D... |
SAC
2008
ACM
13 years 8 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
The ability to query data streams is of increasing importance and has been identified as a crucial element for modern organizations and agencies. This paper identifies a class o...
ADBIS
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. In today’s global environment, the structure and presentation of information may depend on the underlying context of the user. To address this issue, in previous work w...
WWW
2003
ACM
14 years 1 months ago
2003
ACM
In this poster, we introduce the mechanism of handling the ordering structure of XML data by using the Nested Relational Sequence Database System (NRSD), which is built upon the N...
SSD
2007
Springer
14 years 2 months ago
2007
Springer
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...