Continuous spatial query processing: A survey of safe region based techniques

J Qi, R Zhang, CS Jensen… - ACM Computing …, 2018 - dl.acm.org
In the past decade, positioning system-enabled devices such as smartphones have become
most prevalent. This functionality brings the increasing popularity of location-based services …

Location-and keyword-based querying of geo-textual data: a survey

Z Chen, L Chen, G Cong, CS Jensen - The VLDB Journal, 2021 - Springer
With the broad adoption of mobile devices, notably smartphones, keyword-based search for
content has seen increasing use by mobile users, who are often interested in content related …

Keyword-aware continuous knn query on road networks

B Zheng, K Zheng, X Xiao, H Su, H Yin… - 2016 IEEE 32Nd …, 2016 - ieeexplore.ieee.org
It is nowadays quite common for road networks to have textual contents on the vertices,
which describe auxiliary information (eg, business, traffic, etc.) associated with the vertex. In …

MDTRL: A Multi-Source Deep Trajectory Representation Learning for the Accurate and Fast Similarity Query

J Fang, C Feng, P Chao, J Xu, P Zhao… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Trajectory similarity is a fundamental operation in spatial-temporal data mining with wide-
ranging applications. However, trajectories inherently exhibit diversity due to varied …

Location-aware pub/sub system: When continuous moving queries meet dynamic event streams

L Guo, D Zhang, G Li, KL Tan, Z Bao - Proceedings of the 2015 ACM …, 2015 - dl.acm.org
In this paper, we propose a new location-aware pub/sub system, Elaps, that continuously
monitors moving users subscribing to dynamic event streams from social media and E …

Semantic-aware top-k spatial keyword queries

Z Qian, J Xu, K Zheng, P Zhao, X Zhou - World Wide Web, 2018 - Springer
The fast development of GPS equipped devices has aroused widespread use of spatial
keyword querying in location based services nowadays. Existing spatial keyword query …

FogLBS: Utilizing fog computing for providing mobile Location-Based Services to mobile customers

M Orabi, Z Al Aghbari, I Kamel - Pervasive and Mobile Computing, 2023 - Elsevier
Abstract The growth of Location-Based Services (LBSs) has been made possible by the
widespread use of GPS-enabled devices. Some important LBSs require the ability to quickly …

Efficient processing of moving collective spatial keyword queries

H Xu, Y Gu, Y Sun, J Qi, G Yu, R Zhang - The VLDB Journal, 2020 - Springer
As a major type of continuous spatial queries, the moving spatial keyword queries have
been studied extensively. Most existing studies focus on retrieving single objects, each of …

Ap-tree: efficiently support location-aware publish/subscribe

X Wang, Y Zhang, W Zhang, X Lin, W Wang - The VLDB Journal, 2015 - Springer
We investigate the problem of efficiently supporting location-aware Publish/Subscribe
(Pub/Sub for short), which is essential in many applications such as location-based …

Time-aware boolean spatial keyword queries

G Chen, J Zhao, Y Gao, L Chen… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
With advances in geo-positioning technologies and mobile internet, location-based services
have attracted much attention, and spatial keyword queries are catching on fast. However …