245 search results - page 23 / 49 » Modeling and querying moving objects in networks |
DEXAW
2004
IEEE
13 years 11 months ago
2004
IEEE
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
TIP
2008
13 years 7 months ago
2008
Detection of moving objects in video streams is the first relevant step of information extraction in many computer vision applications. Aside from the intrinsic usefulness of being...
SIGIR
1996
ACM
14 years 1 days ago
1996
ACM
The aggregated structure of documents plays a key role in full-text, multimedia, and network Information Retrieval (IR). Considering aggregation provides new querying facilities a...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...