Results 31 to 40 of about 4,690,775 (224)

A Novel Nonlinear Stochastic-Resonance-Enhanced Acceleration Data Processing Approach [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Smartphones are indispensable tools in modern social life, and they can be used for online shopping, electronic payment, gaming, and navigation. In particular, low-cost inertial measurement unit (IMU) sensors are widely integrated into smartphones, so ...
X. Gao   +5 more
doaj   +1 more source

GLPS: A Geohash-Based Location Privacy Protection Scheme

open access: yesEntropy, 2023
With the development of mobile applications, location-based services (LBSs) have been incorporated into people’s daily lives and created huge commercial revenues.
Bin Liu   +3 more
doaj   +1 more source

A caching and spatial K-anonymity driven privacy enhancement scheme in continuous location-based services

open access: yesFuture generations computer systems, 2019
With the rapid pervasion of location-based services (LBSs), protection of location privacy has become a significant concern. In most continuous LBSs’ privacy-preserving solutions, users need to transmit the location query data to an untrusted location ...
Yuzhu Wang   +6 more
semanticscholar   +1 more source

Efficient Privacy-Preserving Scheme for Location Based Services in VANET System

open access: yesIEEE Access, 2020
A Vehicular Ad-hoc Network (VANET) is a type of Mobile Ad-hoc Network (MANET) that is used to provide communications between nearby vehicles, and between vehicles and fixed infrastructure on the roadside.
Fifi Farouk, Yasmin Alkady, R. Rizk
semanticscholar   +1 more source

Optimal Heading Estimation Based Multidimensional Particle Filter for Pedestrian Indoor Positioning

open access: yesIEEE Access, 2018
Localization capability is a challenging task in global navigation satellite system-degraded or denied environments. Alternatively, today’s smartphones have an increased number of integrated sensors that can act as terminals for indoor personal ...
Ling Pei   +5 more
doaj   +1 more source

On inertial navigation and attitude initialization in polar areas

open access: yesSatellite Navigation, 2020
Inertial navigation and attitude initialization in polar areas become a hot topic in recent years in the navigation community, as the widely-used navigation mechanization of the local level frame encounters the inherent singularity when the latitude ...
Yuanxin Wu, Chao He, Gang Liu
doaj   +1 more source

MobChain: Three-Way Collusion Resistance in Witness-Oriented Location Proof Systems Using Distributed Consensus

open access: yesSensors, 2021
Smart devices have accentuated the importance of geolocation information. Geolocation identification using smart devices has paved the path for incentive-based location-based services (LBS).
Faheem Zafar   +5 more
doaj   +1 more source

Location-Based Services

open access: yes, 2006
Location-based services are expected to play an integral role in the mobile-commerce domain. Mobile network operators and service providers have the opportunity to add value and create additional revenue streams through a variety of personalized services based on location of individual wireless users.
Ramaprasad Unni, Robert Harmon
  +5 more sources

The impact of using location-based services with a behaviour-disordered child [PDF]

open access: yes, 2010
In this paper we explore technologies that help parents locate their children. Parents regularly use mobile phones to stay in touch with their children, but recent developments in location-based tracking allow parents to assess the location of their ...
Briggs, Pamela   +2 more
core   +1 more source

Context-specific urban occupancy modeling using location-based services data

open access: yes, 2020
Energy-related occupant behavior is a major source of uncertainty in building and urban energy performance simulations. Standardized assumptions, published by ASHRAE and others in the form of occupancy schedules, are widely used in research and practice,
Gabriel Happle   +2 more
semanticscholar   +1 more source

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