[PDF][PDF] 基于位置的服务: 架构与进展

周傲英, 杨彬, 金澈清, 马强 - 2011 - cjc.ict.ac.cn
摘要随着无线通信技术和智能移动终端的快速发展, 基于位置的服务(Location
basedServices, LBS) 在军事, 交通, 物流等诸多领域得到了广泛应用, 它能够根据移动对象的 …

On efficient and scalable support of continuous queries in mobile peer-to-peer environments

CY Chow, MF Mokbel, HV Leong - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
In this paper, we propose an efficient and scalable query processing framework for
continuous spatial queries (range and k-nearest-neighbor queries) in mobile peer-to-peer …

[PDF][PDF] 面向多核多线程的移动对象连续K 近邻查询

赵亮, 景宁, 陈荦, 廖巍, 钟志农 - 软件学报, 2011 - jos.org.cn
面向多核多线程的移动对象连续K 近邻查询 Page 1 软件学报ISSN 1000-9825, CODEN
RUXUEW E-mail: jos@iscas.ac.cn Journal of Software,2011,22(8):1805−1815 [doi: 10.3724/SP.J.1001.2011.03904] …

Efficient Evaluation of k-NN Queries Using Spatial Mashups

D Zhang, CY Chow, Q Li, X Zhang, Y Xu - International Symposium on …, 2011 - Springer
Abstract K-nearest-neighbor (k-NN) queries have been widely studied in time-independent
and time-dependent spatial networks. In this paper, we focus on k-NN queries in time …

A proxy-based approach to continuous location-based spatial queries in mobile environments

JL Huang, CC Huang - IEEE Transactions on Knowledge and …, 2011 - ieeexplore.ieee.org
Caching valid regions of spatial queries at mobile clients is effective in reducing the number
of queries submitted by mobile clients and query load on the server. However, mobile clients …

H-star: Hilbert-order based star network expansion cloaking algorithm in road networks

AA Hossain, A Hossain, HK Yoo… - 2011 14th IEEE …, 2011 - ieeexplore.ieee.org
The proliferations of position identifying devices become increasing privacy threat in location-
based services (LBSs). It is very difficult to avoid the privacy threat of a user in processing …

Scalable activity-travel pattern monitoring framework for large-scale city environment

Y Lee, SJ Lee, B Kim, J Kim, Y Rhee… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
In this paper, we introduce Activity Travel Pattern (ATP) monitoring in a large-scale city
environment. ATP represents where city residents and vehicles stay and how they travel …

Continuous obstructed range queries in spatio-temporal databases

Z Li, Y Gao, Y Lu - … on System science, Engineering design and …, 2011 - ieeexplore.ieee.org
In this paper, we study the Continuous Obstructed Range (COR) queries in spatio-temporal
databases, which consider the impact of obstacles on the distance between objects. Given a …

TPM: Supporting pattern matching queries for road-network trajectory data

GP Roh, S Hwang - Proceedings of the 14th International Conference on …, 2011 - dl.acm.org
With the advent of ubiquitous computing, we can easily collect large scale trajectory data
from moving vehicles. This paper presents TPM (Trajectory Pattern Miner), a software aimed …

高度动态环境下移动对象连续K 近邻查询算法

牛剑光, 陈荦, 赵亮, 谭洁 - 计算机科学, 2011 - cqvip.com
针对面向高度动态移动对象集的多用户连续K 近邻查询, 提出了基于查询索引的多用户连续K
近邻查询处理(Query Index based Multiple Continuous K-Nearest Neighbor Queries, QI …