126 search results - page 4 / 26 » Evacuation Planning: A Spatial Network Database Approach |
GIS
2004
ACM
14 years 10 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
EDBT
2012
ACM
12 years 5 days ago
2012
ACM
With the popularization of GPS-enabled devices there is an increasing interest for location-based queries. In this context, one interesting problem is processing top-k spatial key...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
GIS
2002
ACM
13 years 9 months ago
2002
ACM
Enterprises in the public and private sectors have been making their large spatial data archives available over the Internet. However, interactive work with such large volumes of ...
DASFAA
2004
IEEE
14 years 1 months ago
2004
IEEE
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...