102,164 Hits in 5.5 sec

A Sensor Web and Web Service-Based Approach for Active Hydrological Disaster Monitoring

Xi Zhai, Peng Yue, Mingda Zhang
2016 ISPRS International Journal of Geo-Information  
This approach integrates an event-driven mechanism, Web services, and a Sensor Web and coordinates them using workflow technologies to facilitate the Web-based sharing and processing of hydrological hazard  ...  However, it remains a challenge to achieve timely response to hydrological disaster events and to automate the geoprocessing of hydrological disaster observations.  ...  Acknowledgments: We are grateful to anonymous reviewers for their constructive comments and suggestions.  ... 
doi:10.3390/ijgi5100171 fatcat:ppmmdkltufhjln3joqgeiomrei

An Event-driven Service-oriented Architecture for Internet of Things Service Execution

Lina Lan, Bai Wang, Lei Zhang, Ruisheng Shi, Fei Li
2015 International Journal of Online Engineering (iJOE)  
In the middleware layer, traditional SOA architecture is insufficient in real-time response and parallel processes of service execution.  ...  This paper proposes a new sensing service system based on EDSOA (Event Driven SOA) architecture to support realtime, event-driven, and active service execution.  ...  The sensing service systems collect and analyze the real-time sense data, get the business events, and then do real-time processing and response to events.  ... 
doi:10.3991/ijoe.v11i2.3842 fatcat:sof4x72idbg35iyur4kte6wh3u

Performance Evaluation of Node.js for Web Service Gateway in IoT Remote Monitoring Applications

Lionel Nkenyereye, Jong-Wook Jang
2016 The International Journal of Advanced Culture Technology  
In this paper, we investigate the performance of a web server-side platgorm based event-driven, non-blocking approach called Node.js against traditional thread-based server side approach to handle a large  ...  The growth of mobile devices in Internet of Things (IoT) leads to a number of remote and controlling system related IoT applications.  ...  Node runs on Google V8 (source [4]) Event-driven server-side for web service. This is a Conceptual Model for an event-driven architecture.  ... 
doi:10.17703/ijact.2016.4.3.13 fatcat:g4rjxcpfo5ae7fyrsgllldiiiy

Addressing Concurrency Design for HealthCare Web Service Gateway in Remote Healthcare Monitoring System

Lionel Nkenyereye, Jong-Wook Jang
2016 International journal of advanced smart convergence  
We also investigate the performance of event-driven architecture for building web service gateway using node.js.  ...  In this paper, we propose the design tasks of the web service gateway for handling concurrency events.  ...  Concurrency is particularly important in RHM system that have to react to outside events in real-time and that often have hard deadlines to meet [3] .  ... 
doi:10.7236/ijasc.2016.5.3.32 fatcat:77ja7xnc65cvdmkjd2onrjzb7m

Event-Driven Distributed Information Resource-Focusing Service for Emergency Response in Smart City with Cyber-Physical Infrastructures

Changjiang Xiao, Nengcheng Chen, Jianya Gong, Wei Wang, Chuanbo Hu, Zeqiang Chen
2017 ISPRS International Journal of Geo-Information  
The method consists of a focusing service model at the top level, an informational representation of the model and a focusing service process to operate the service model in emergency response.  ...  The focusing service method follows an event-driven mechanism that allows the focusing service process to be triggered by public emergencies sensed by wireless sensor networks (WSNs) and mobile crowd sensing  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ijgi6080251 fatcat:doa4obvmtjfjxgzc6xyppwmgdu

Events not equal to GUIs

Stuart Hansen, Timothy Fossum
2004 Proceedings of the 35th SIGCSE technical symposium on Computer science education - SIGCSE '04  
Events also play important roles in operating systems, component based systems, reactive systems, middleware, web services and other fields.  ...  This paper describes an upper division, computer science elective course in event driven programming. The course gives a comprehensive treatment of event driven systems.  ...  STUDENT PROJECTS One of the real pleasures of teaching event driven programming has been the eagerness and energy students have demonstrated when it came time to develop their own projects.  ... 
doi:10.1145/971300.971430 dblp:conf/sigcse/HansenF04 fatcat:ocilkiyyvfbzdkd4dunkywnwci

Events not equal to GUIs

Stuart Hansen, Timothy Fossum
2004 ACM SIGCSE Bulletin  
Events also play important roles in operating systems, component based systems, reactive systems, middleware, web services and other fields.  ...  This paper describes an upper division, computer science elective course in event driven programming. The course gives a comprehensive treatment of event driven systems.  ...  STUDENT PROJECTS One of the real pleasures of teaching event driven programming has been the eagerness and energy students have demonstrated when it came time to develop their own projects.  ... 
doi:10.1145/1028174.971430 fatcat:nr7nuz2fyvcq3myphszaznefze

MobisenseCar: A Mobile Crowd-Based Architecture for Data Acquisition and Processing in Vehicle-Based Sensing

Lionel Nkenyereye, Jong Wook
2017 International Journal of Advanced Computer Science and Applications  
With this mobile crowdsensing architecture it was possible to monitor information of car's diagnostic system condition in real time, improving driving ability and protect the environment by reducing vehicle  ...  The proposed MobiSenseCar uses Node.js, a web server architecture based on single-thread event loop approach and Apache Hive platform responsible for analyzing vehicle's engine data.  ...  ACKNOWLEDGMENT This research was supported by the Brain Busan 21 Project in 2017 and The Human Resource Training program for Regional Innovation and Creativity through the Ministry of Educational and National  ... 
doi:10.14569/ijacsa.2017.080702 fatcat:ww6q3gtndfdsheu27lcdxdnwua

Multi-Disciplinary Approaches to Intelligently Sharing Large-Volumes of Real-Time Sensor Data During Natural Disasters

Stuart E Middleton, Zoheir A Sabeur, Peter L^|^ouml;we, Martin Hammitzsch, Siamak Tavakoli, Stefan Poslad
2013 Data Science Journal  
We describe our knowledge-based service architecture for multi-risk environmental decision-support, capable of handling geo-distributed heterogeneous real-time data sources.  ...  As crises develop we can agilely steer processing server and adapt data fusion and mining algorithm configurations in real-time.  ...  ACKNOWLEDGEMENTS The work presented in this paper is a central part of the research and development in the TRIDEC project (contract no. 258723), supported by the 7th Framework Program of the European Commission  ... 
doi:10.2481/dsj.wds-018 fatcat:6gisrltoxbfmzlntc5pqz3ru3u

Integration and Exploitation of Sensor Data in Smart Cities through Event-Driven Applications

Manuel Garcia Alvarez, Javier Morales, Menno-Jan Kraak
2019 Sensors  
real-time processing capabilities and detect geographic events.  ...  We adopted a multidisciplinary approach to achieving data integration and real-time processing, and developed a reference architecture for the development of event-driven applications.  ...  The general purpose of an event-driven application is to provide users with information of geographic events and support real-time decision making.  ... 
doi:10.3390/s19061372 fatcat:pnbmyunlafg2dlyyrpwmvxwrby

Analysis and simulation of business solutions in a service-oriented architecture

M. Kano, A. Koide, T.-K. Liu, B. Ramachandran
2005 IBM Systems Journal  
Our runtime simulation framework supports this by allowing users to simulate implementation models consisting of real and simulated services for function and performance testing.  ...  Modeling and simulation of business processes is a powerful capability for analysis of business solutions in a service-oriented architecture (SOA).  ...  time, U sim , as follows: U sim ¼ U real 3 T real T sim ; ð3Þ where T sim is the testing time using the simulation clock, and T real is the testing time using the real clock.  ... 
doi:10.1147/sj.444.0669 fatcat:356keu5infhclkmw7dhnggcnvu

A hybrid connector for efficient web servers

David Carrera, Vicenc Beltran, Jordi Torres, Eduard Ayguade
2008 International Journal of High Performance Computing and Networking  
In this paper we introduce a novel web server architecture that combines the best aspects of both the multithreaded and the event-driven architectures, the two major existing alternatives, to create a  ...  The obtained results demonstrate the feasibility of the hybrid architecture and the performance benefits that this model introduces for e-commerce applications.  ...  Acknowledgements This work is supported by the Ministry of Science and Technology of Spain and the European Union (FEDER funds) under contract TIN2007-60625.  ... 
doi:10.1504/ijhpcn.2008.025551 fatcat:eheit36g3zg7jkciq72wgemfie

Design of IoT Gateway based Event-Driven Approach for IoT related Applications
IoT 게이트웨이 기반의 이벤트 중심 접근 방식 응용프로그램 설계

Lionel Nkenyereye, Jong-Wook Jang
2016 The Journal of the Korean Institute of Information and Communication Engineering  
ABSTRACT The Internet of things (IoT) needs to be an event-driven approach for efficient related time response and processing.  ...  For instance, home automation controlling system uses client system such web apps on smartphone or web service to access the home server by sending control commands.  ...  This event-driven model has been widely adopted in building scalable web applications, mainly through the Node.js [3] framework. Ⅲ.  ... 
doi:10.6109/jkiice.2016.20.11.2119 fatcat:bvgw7r2s6jaa5pqjiouwvx4d5a

VehicleFORGE: A Cloud-Based Infrastructure for Collaborative Model-Based Design

Laszlo Juracz, Zsolt Lattmann, Tihamer Levendovszky, Graham Hemingway, Will Gaggioli, Tanner Netterville, Gábor Pap, Kevin Smyth, Larry Howard
2013 ACM/IEEE International Conference on Model Driven Engineering Languages and Systems  
This paper describes VehicleFORGE concepts and services facilitated by the cloud computing foundation of the infrastructure.  ...  Recent increases in industrial adoption of Model-Based Engineering has created demand for more advanced tools, environments, and infrastructures.  ...  The views and conclusions presented are those of the authors and should not be interpreted as representing official policies or endorsements of DARPA or the US government.  ... 
dblp:conf/models/JuraczLLHGNPSH13 fatcat:m4znzvd7pjhwpkhk3andlxz2fu

Towards a framework to support novice users in understanding and monitoring of Home Area Networks

Yuqian Song, Rob Brennan, David Lewis, Owen Conlan
2012 2012 IEEE International Conference on Pervasive Computing and Communications Workshops  
This research proposes a framework to leverage domain expert knowledge to enable real time semantic up-lift in supporting novice end-users to understand and monitor the home area network.  ...  A key challenge lies in assisting novice users in understanding and monitoring of the obscure and complex HAN.  ...  ACKNOWLEDGMENT This work is partly funded by Science Foundation Ireland via grant 08/SRC/I1403 -Federated, Autonomic Management of End-to-End Communications Services (FAME).  ... 
doi:10.1109/percomw.2012.6197627 dblp:conf/percom/SongBLC12 fatcat:zalhz6swrjhspbuzp4ylwq6ceq
« Previous Showing results 1 — 15 out of 102,164 results