Results 31 to 40 of about 437,980 (285)
Differentially Private and Skew-Aware Spatial Decompositions for Mobile Crowdsensing
Sensors, 2018 Mobile Crowdsensing (MCS) is a paradigm for collecting large-scale sensor data by leveraging mobile devices equipped with small and low-powered sensors. MCS has recently received considerable attention from diverse fields, because it can reduce the cost ...
Jong Seon Kim +2 more
doaj +1 more source
On trip planning queries in spatial databases [PDF]
, 2004 In this paper we discuss a new type of query in Spatial Databases, called Trip Planning Query (TPQ). Given a set of points P in space, where each point belongs to a category, and given two points s and e, TPQ asks for the best trip that starts at s ...
Cheng, Dihan, Li, Feifei
core +3 more sources
An investigation of an MPEG-4 embedded spatial digital watermark developed for tamper detection and characterization [PDF]
, 2003 The widespread adoption of digital video techniques has generated a requirement for authenticity verification in applications such as criminal evidence, insurance claims and commercial databases.
Bull, DR +3 more
core +2 more sources
Land, 2020 Many cities lack complex spatial databases that can answer the question “What does a given green space offer?” This complicates the lives of inhabitants, planners, and local authorities.
Edyta Łaszkiewicz +2 more
doaj +1 more source
Visualization of 3D Survey Data for Strata Titles
ISPRS International Journal of Geo-Information, 2020 Major cities and urban areas are beginning to develop and use 3D properties and public facilities. Consequently, 3D cadastral surveys are increasingly being employed for strata unit ownership registration as a part of land administration services.
Trias Aditya +5 more
doaj +1 more source
The SSP-Tree: A Method for Distributed Processing of Range Monitoring Queries in Road Networks
ISPRS International Journal of Geo-Information, 2017 This paper addresses the problem of processing range monitoring queries, each of which continuously retrieves moving objects that are currently located within a given query range.
HaRim Jung, Ung-Mo Kim
doaj +1 more source
, 2016 Analyzing huge amounts of spatial data plays an important role in many emerging analysis and decision-making domains such as healthcare, urban planning, agriculture and so on.
Davari, Somaye, Ghadiri, Nasser
core +1 more source
Grover's search algorithm: An optical approach [PDF]
, 1999 The essential operations of a quantum computer can be accomplished using solely optical elements, with different polarization or spatial modes representing the individual qubits.
A. G. White +6 more
core +2 more sources
In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
wiley +1 more source
Resource Capacitated Collective Travel Planning in Spatial Databases
IEEE Access, 2020 The widespread use of GPS smart devices has allowed users to collect location information in real-time, leading to the emergence of ride-sharing services based on users' locations. Ride-sharing services have become effective services that reduce the cost
Junkyu Lee, Seog Park
doaj +1 more source