141 search results - page 17 / 29 » Supporting Continuous Range Queries in Indoor Space |
CLOUDCOM
2010
Springer
13 years 4 months ago
2010
Springer
Geospatial queries (GQ) have been used in a wide variety of applications such as decision support systems, profile-based marketing, bioinformatics and GIS. Most of the existing qu...
VLDB
2008
ACM
14 years 7 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
MOBIHOC
2009
ACM
13 years 11 months ago
2009
ACM
This paper describes the deployment and evaluation of a 700MHz WiFi-based Wireless Mesh Network (WMN) testbed. To our knowledge, this is the world’s first WiFi-based testbed us...
WADS
2005
Springer
14 years 6 days ago
2005
Springer
Spatial databases support a variety of geometric queries on point data such as range searches, nearest neighbor searches, etc. Balanced Aspect Ratio (BAR) trees are hierarchical sp...
QEST
2007
IEEE
14 years 1 months ago
2007
IEEE
—Performance Trees are a recently-proposed mechanism for the specification of performance properties and measures. They represent an attractive alternative to stochastic logics,...