Search Sciweavers | Sciweavers

3456 search results - page 62 / 692

» Semantics in Spatial Databases

click to vote

MDM
2007
Springer

126views Communications» more MDM 2007»

Semantics of Spatially-Aware Windows Over Streaming Moving Objects

14 years 2 months ago

Download www.dbnet.ece.ntua.gr

Several window constructs are usually speciﬁed in continuous queries over data streams as a means of limiting the amount of data processed each time and thus providing real-time...

Kostas Patroumpas, Timos K. Sellis

claim paper

Read More »

click to vote

VDB
2000

135views Database» more VDB 2000»

Query-By-Trace: Visual Predicate Specification in Spatio-Temporal Databases

13 years 9 months ago

Download www.cise.ufl.edu

In this paper we propose a visual interface for the specification of predicates to be used in queries on spatio-temporal databases. The approach is based on a visual specification ...

Martin Erwig, Markus Schneider

claim paper

Read More »

click to vote

ICIA
2007

279views Artificial Intelligence» more ICIA 2007»

Integrating Multiple Representations of Spatial Knowledge for Mapping, Navigation, and Communication

13 years 10 months ago

Download www.ai.sri.com

A robotic chauffeur should reason about spatial information with a variety of scales, dimensions, and ontologies. Rich representations of both the quantitative and qualitative cha...

Patrick Beeson, Matt MacMahon, Joseph Modayil, Ani...

claim paper

Read More »

click to vote

ICRA
2002
IEEE

93views Robotics» more ICRA 2002»

Using Omnidirectional Vision within the Spatial Semantic Hierarchy

14 years 29 days ago

Download www.dei.unipd.it

Emanuele Menegatti, Enrico Pagello, Mark Wright

claim paper

Read More »