392 search results - page 36 / 79 » Optimal location queries in road network databases |
124
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ICDE
2010
IEEE
16 years 6 days ago
2010
IEEE
Given a positive value r, a circular range query returns the objects that lie within the distance r of the query location. In this paper, we study the circular range queries that c...
APWEB
2006
Springer
15 years 4 months ago
2006
Springer
Nowadays, the rapid advances in wireless communications, positioning techniques and mobile devices enable location based service such as dynamic traffic navigation. Yet, it is a ch...
SSD
2005
Springer
15 years 6 months ago
2005
Springer
Networks often form the core of many users’ spatial databases. Networks are used to support the rapid navigation and analysis of linearly connected data such as that found in tra...
104
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DEXA
2010
Springer
14 years 10 months ago
2010
Springer
Abstract. Sensor networks are increasingly used across various application domains. Their usage has the advantage of automated, often continuous, monitoring of activities and event...
133
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GIS
2008
ACM
15 years 1 months ago
2008
ACM
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...