Results 41 to 50 of about 4,853 (185)
GeoSpark SQL: An Effective Framework Enabling Spatial Queries on Spark
ISPRS International Journal of Geo-Information, 2017 In the era of big data, Internet-based geospatial information services such as various LBS apps are deployed everywhere, followed by an increasing number of queries against the massive spatial data.
Zhou Huang +3 more
doaj +1 more source
IEEE Access, 2020 Trajectory prediction techniques play a serious role in many location-based services such as mobile advertising, carpooling, taxi services, traffic management, and routing services.
Mohammed Abdalla +5 more
doaj +1 more source
IMPROVING NEAREST NEIGHBOUR SEARCH IN 3D SPATIAL ACCESS METHOD [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 Nearest Neighbour (NN) is one of the important queries and analyses for spatial application. In normal practice, spatial access method structure is used during the Nearest Neighbour query execution to retrieve information from the database. However, most
A. Suhaibaha +4 more
doaj +1 more source
IEEE Access, 2021 With the sustained evolution and expeditious popularization of cloud computing, an ever-increasing number of individuals and enterprises are encouraged to outsource data to cloud servers for reducing management overhead and ease of access.
Huanglin Shen +4 more
doaj +1 more source
K-nearest neighbor search for fuzzy objects [PDF]
, 2010 The K-Nearest Neighbor search (kNN) problem has been investigated extensively in the past due to its broad range of applications. In this paper we study this problem in the context of fuzzy objects that have indeterministic boundaries. Fuzzy objects play
Fung, Pui Cheong +5 more
core +1 more source
Navigating the Maps: Euclidean vs. Road Network Distances in Spatial Queries
AlgorithmsUsing spatial data in mobile applications has grown significantly, thereby empowering users to explore locations, navigate unfamiliar areas, find transportation routes, employ geomarketing strategies, and model environmental factors.
Pornrawee Tatit +2 more
doaj +1 more source
Hike: A High Performance kNN Query Processing System for Multimedia Data
, 2015 —Internet continues to serve as the dominating platform for sharing and delivering multimedia contents. kNN queries are an enabling functionality for many multimedia applications.
Shan Wang, Ling Liu, Hui Li, Xiao Zhang
core +1 more source
Novel Probabilistic Collision Detection for Manipulator Motion Planning Using HNSW
MachinesCollision detection is very important for robot motion planning. The existing accurate collision detection algorithms regard the evaluation of each node as a discrete event, ignoring the correlation between nodes, resulting in low efficiency.
Xiaofeng Zhang +5 more
doaj +1 more source
Scalable Distributed kNN Processing on Clustered Data Streams
IEEE Access, 2019 Recommender systems provide an important tool for users to find interested items from the massive amount of user-generated contents. As user interests often change over time and contents become available in a streaming fashion, it is highly desirable to ...
Min Yang +3 more
doaj +1 more source
Modeling simulation and virtual platform construction of crossbow making technology [PDF]
E3S Web of Conferences, 2019 In this paper, a set of virtual simulation platform for crossbow making is established. First, build a virtual model of Lisu crossbow, optimize the model, accelerate the organization, model generation, modification and editing of the database; then ...
Wen Cong +4 more
doaj +1 more source