Results 21 to 30 of about 173,911 (316)

An Entity Relation Extraction Method Based on Dynamic Context and Multi-Feature Fusion

open access: yesApplied Sciences, 2022
Dynamic context selector, a kind of mask idea, will divide the matrix into some regions, selecting the information of region as the input of model dynamically.
Xiaolin Ma   +3 more
doaj   +1 more source

Firewalling wireless sensor networks: Security by wireless

open access: yes2008 33rd IEEE Conference on Local Computer Networks (LCN), 2008
Networked sensors and actuators for purposes from production monitoring and control to home automation are in increasing demand. Until recently, the main focus laid on wired systems, although their deployment requires careful planning and expensive infrastructure that may be difficult to install or modify.
Martinovic, I, Gollan, N, Schmitt, J
openaire   +2 more sources

Metadata behind the Interoperability of Wireless Sensor Network [PDF]

open access: yes, 2009
There is a current need not only to achieve, but also to maintain the interoperability of Wireless Sensor Networks despite frequent changes in network status. The aim of this paper is to describe a context-aware model for the interoperability of Wireless
Wachowicz, Monica   +8 more
core   +1 more source

Wireless Sensor Technologies and Applications [PDF]

open access: yesSensors, 2009
Recent years have witnessed tremendous advances in the design and applications of wirelessly networked and embedded sensors. Wireless sensor nodes are typically low-cost, low-power, small devices equipped with limited sensing, data processing and wireless communication capabilities, as well as power supplies.
openaire   +3 more sources

Facial Expression Recognition From Image Sequence Based on LBP and Taylor Expansion

open access: yesIEEE Access, 2017
The aim of an automatic video-based facial expression recognition system is to detect and classify human facial expressions from image sequence. An integrated automatic system often involves two components: 1) peak expression frame detection and 2 ...
Yuanyuan Ding   +3 more
doaj   +1 more source

A novel algorithm L-NCD for redundant reader elimination in P2P-RFID network

open access: yesJournal of Algorithms & Computational Technology, 2017
With the development of radio frequency identification technology, radio frequency identification system has been deployed in different applications in a large scale.
He Xu   +4 more
doaj   +1 more source

A biologically-inspired approach to designing wireless sensor networks

open access: yes, 2005
In this paper, we contend that there are significant advantages in treating some classes of sensor networks as biological-like systems-- both in structural design characteristics and in operational processes.
Haddadi, H.   +3 more
core   +1 more source

Novel Node Localization Algorithm Based on Nonlinear Weighting Least Square for Wireless Sensor Networks

open access: yesInternational Journal of Distributed Sensor Networks, 2012
Positioning of the location information of wireless sensor network nodes is one of the key issues in wireless sensor network applications. The traditional node positioning method based on least-square algorithm heavily depends on the ranging accuracy ...
Fu Xiao   +4 more
doaj   +1 more source

Maintenance efficient routing in wireless sensor networks [PDF]

open access: yes, 2005
Communication patterns define the energy depletion profile of a wireless sensor network. In particular, routing defines which areas of the sensor field are subject to a higher traffic load. In these areas, sensor nodes deplete faster than in areas with a
C. Sreenan   +5 more
core   +1 more source

Digital signature scheme for information non-repudiation in blockchain: a state of the art review

open access: yesEURASIP Journal on Wireless Communications and Networking, 2020
Blockchain, as one of the most promising technology, has attracted tremendous attention. The interesting characteristics of blockchain are decentralized ledger and strong security, while non-repudiation is the important property of information security ...
Weidong Fang   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy