Results 11 to 20 of about 287,613 (246)

Dummy location selection algorithm based on location semantics and query probability [PDF]

open access: yesTongxin xuebao, 2020
Aiming at the problem of privacy leakage caused by attackers possessing background knowledge in traditional location privacy protection schemes,a dummy location selection algorithm based on location semantics and query probability was proposed.Under the ...
Jie WANG   +3 more
doaj   +4 more sources

Large-Scale ALS Data Semantic Classification Integrating Location-Context-Semantics Cues by Higher-Order CRF

open access: yesSensors, 2020
We designed a location-context-semantics-based conditional random field (LCS-CRF) framework for the semantic classification of airborne laser scanning (ALS) point clouds.
Wei Han   +3 more
doaj   +2 more sources

Improving next location prediction with inferred activity semantics in mobile phone data

open access: yesInternational Journal of Digital Earth
Accurately predicting the next location of mobile phone users is essential for various applications such as personalized location-based services and mobile marketing. While previous models have relied primarily on spatiotemporal sequences (e.g.
Shen Liang   +5 more
doaj   +2 more sources

Data Fusion Methods for Indoor Positioning Systems Based on Channel State Information Fingerprinting

open access: yesSensors, 2022
Indoor signals are susceptible to NLOS propagation effects, multipath effects, and a dynamic environment, posing more challenges than outdoor signals despite decades of advancements in location services.
Hailu Tesfay Gidey   +4 more
doaj   +1 more source

Minimizing Travel Time and Latency in Multi-Capacity Ride-Sharing Problems

open access: yesAlgorithms, 2022
Motivated by applications in ride-sharing and truck-delivery, we study the problem of matching a number of requests and assigning them to cars. A number of cars are given, each of which consists of a location and a speed, and a number of requests are ...
Kelin Luo, Frits C. R. Spieksma
doaj   +1 more source

Compositional Semantics Network With Multi-Task Learning for Pun Location

open access: yesIEEE Access, 2020
A pun is always humorous and has strong interactive value in people’s daily communication. It creates a humorous effect in a certain context, in which a word implies two or more meanings by using polysemy (homographic pun) or phonological ...
Junyu Mao   +3 more
doaj   +1 more source

Sensitivity and Adjustment Model of Electrocardiographic Signal Distortion Based on the Electrodes’ Location and Motion Artifacts Reduction for Wearable Monitoring Applications

open access: yesSensors, 2021
Wearable vital signs monitoring and specially the electrocardiogram have taken important role due to the information that provide about high-risk diseases, it has been evidenced by the needed to increase the health service coverage in home care as has ...
Fabian Andres Castaño   +1 more
doaj   +1 more source

Inerter Location-Based Vibration Suppression Study of a Transmission Line Equipped with Tuned-Mass-Damper-Inerter (TMDI) under Harmonic Excitation

open access: yesBuildings, 2022
This paper proposes a novel ungrounded TMDI to improve the vibration suppression performance of the transmission line under harmonic excitation. This type of inerter-based damper may transform a translational motion into a rotational motion, greatly ...
Xinpeng Liu   +4 more
doaj   +1 more source

LOC8 : A location model and extensible framework for programming with location [PDF]

open access: yes, 2010
Location is a core concept in most pervasive systems-and one that's surprisingly hard to deal with flexibly. Using a location model supporting a range of expressive representations for spaces, spatial relationships, and positioning systems, the authors ...
Ye, Juan   +6 more
core   +1 more source

Using location semantics to realize personalized road network location privacy protection

open access: yesEURASIP Journal on Wireless Communications and Networking, 2020
With the rapid development of location-based services in the field of mobile network applications, users enjoy the convenience of location-based services on one side, and they are exposed to the risk of privacy disclosure on the other side. Attackers may
Li Kuang   +4 more
doaj   +1 more source

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