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2000
IEEE
15 years 5 months ago
Navigating through Hierarchical Change Propagation in Spatiotemporal Queries
In spatiotemporal applications, meaningful changes vary according to object type, level of detail, and nature of application. In this paper, we introduce a dynamic classification ...
Giorgos Mountrakis, Peggy Agouris, Anthony Stefani...
ICDE
2003
IEEE
157views Database» more  ICDE 2003»
16 years 2 months ago
Energy Efficient Index for Querying Location-Dependent Data in Mobile Broadcast Environments
We are witnessing in recent years growing interest for location-dependent information services among mobile users. This paper examines the issue of processing locationdependent qu...
Jianliang Xu, Baihua Zheng, Wang-Chien Lee, Dik Lu...
129
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TKDE
2010
370views more  TKDE 2010»
14 years 11 months ago
Anonymous Query Processing in Road Networks
—The increasing availability of location-aware mobile devices has given rise to a flurry of location-based services (LBS). Due to the nature of spatial queries, an LBS needs the...
Kyriakos Mouratidis, Man Lung Yiu
PAM
2010
Springer
15 years 7 months ago
The Myth of Spatial Reuse with Directional Antennas in Indoor Wireless Networks
Abstract. Interference among co-channel users is a fundamental problem in wireless networks, which prevents nearby links from operating concurrently. Directional antennas allow the...
Sriram Lakshmanan, Karthikeyan Sundaresan, Sampath...
ICTAI
2007
IEEE
15 years 7 months ago
Curve Clustering with Spatial Constraints for Analysis of Spatiotemporal Data
In this paper we present a new approach for curve clustering designed for analysis of spatiotemporal data. Such kind of data contains both spatial and temporal patterns that we de...
Konstantinos Blekas, Christophoros Nikou, Nikolas ...