208 search results - page 18 / 42 » Indexing range sum queries in spatio-temporal databases |
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Database outsourcing requires that a query server constructs a proof of result correctness, which can be verified by the client using the data owner's signature. Previous aut...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
ICDE
2002
IEEE
14 years 9 months ago
2002
IEEE
XML and other semi-structured data may have partially specified or missing schema information, motivating the use of a structural summary which can be automatically computed from ...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) range close-pair query...
DEXAW
2002
IEEE
14 years 20 days ago
2002
IEEE
We present a method to index objects moving on the plane in order to efficiently answer range queries about their position in the future. This problem is motivated by real-life a...