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 Sumi Helal

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Average citations per article10.14
Citation Count639
Publication count63
Publication years1998-2017
Available for download10
Average downloads per article273.30
Downloads (cumulative)2,733
Downloads (12 Months)217
Downloads (6 Weeks)18
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63 results found Export Results: bibtexendnoteacmrefcsv

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1
January 2017 Computer: Volume 50 Issue 1, January 2017
Publisher: IEEE Computer Society Press
Bibliometrics:
Citation Count: 0

With maturity comes reflection and enlightenment. In this golden anniversary year, Computer celebrates not only its impressive past, but also the promise of its future.

2
April 2016 PERSUASIVE 2016: Proceedings of the 11th International Conference on Persuasive Technology - Volume 9638
Publisher: Springer-Verlag New York, Inc.
Bibliometrics:
Citation Count: 0

We present Cicero --- a middleware solution to support developers design and implement persuasive mobile apps. Based on the Action-Behavior Model ABM, Cicero provides developers with powerful class libraries and collaboration methodology to streamline the development of mobile persuasive apps without requiring a steep knowledge of behavior science theory or ...
Keywords: Mobile app development, Persuasive computing, Sensing, Activity recognition, Middleware, Actuation, Android, Situation

3
March 2016 International Journal of Distributed Sensor Networks: Volume 2016, March 2016
Publisher: Hindawi Limited
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 0,   Downloads (12 Months): 7,   Downloads (Overall): 7

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Worker selection for many crowd-sensing tasks must consider various complex contexts to ensure high quality of data. Existing platforms and frameworks take only specific contexts into account to demonstrate motivating scenarios but do not provide general context models or frameworks in support of crowd-sensing at large. This paper proposes a ...

4
January 2016 Computer: Volume 49 Issue 1, January 2016
Publisher: IEEE Computer Society Press
Bibliometrics:
Citation Count: 0

Computer's digital offerings will change in 2016, and this Outlook issue offers a glimpse into the future of computing technologies. Some of the brightest spots are ubiquitous computing, human-centered software engineering, cyber-physical systems, OS design changes, and advances that will revolutionize personal medical device development.

5 published by ACM
August 2015 ACM Transactions on Intelligent Systems and Technology (TIST) - Regular Papers and Special Section on Intelligent Healthcare Informatics: Volume 6 Issue 4, August 2015
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 7,   Downloads (12 Months): 59,   Downloads (Overall): 288

Full text available: PDFPDF
In spite of the importance of activity recognition (AR) for intelligent human-computer interaction in emerging smart space applications, state-of-the-art AR technology is not ready or adequate for real-world deployments due to its insufficient accuracy. The accuracy limitation is directly attributed to uncertainties stemming from multiple sources in the AR system. ...
Keywords: Uncertainty analysis, human activity recognition and activity model

6
December 2014 CLOUDCOM '14: Proceedings of the 2014 IEEE 6th International Conference on Cloud Computing Technology and Science
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 0

Imminent massive-scale IoT deployments require a Cloud-Sensor architecture to facilitate an ecosystem of friction-free integration and programmability. In addition to these two functional requirements, challenging performance and scalability requirements must be addressed by any such architecture. We have introduced the Cloud-Edge-Beneath (CEB) architecture which addresses scalability and performance through a ...
Keywords: Cloud-sensor systems, application caching, cloud computing, scalability, performance, optimization

7
December 2014 UIC-ATC-SCALCOM '14: Proceedings of the 2014 IEEE 11th Intl Conf on Ubiquitous Intelligence and Computing and 2014 IEEE 11th Intl Conf on Autonomic and Trusted Computing and 2014 IEEE 14th Intl Conf on Scalable Computing and Communications and Its Associated Workshops (UIC-ATC-ScalCom)
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 0

Palantir is a real-time collaboration system that is designed for people who glean information from Twitter during an event, and would like to consolidate Tweets into stories as and when they happen. The system is designed to easily let people share annotated Tweets from mobile clients, and use a web ...
Keywords: Twitter, News, Social Networking, Mobile Computing

8 published by ACM
September 2014 MSWiM '14: Proceedings of the 17th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 3,   Downloads (12 Months): 30,   Downloads (Overall): 136

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Driven by critical and pressing smart city applications, accessing massive numbers of sensors by cloud-hosted services is becoming an emerging and inevitable situation. Naïvely connecting massive numbers of sensors to the cloud raises major scalability and energy challenges. An architecture embodying distributed optimization is needed to manage the scale and ...
Keywords: cloud computing, cloud-sensor systems, application caching

9
July 2012 International Journal of E-Health and Medical Communications: Volume 3 Issue 3, July 2012
Publisher: IGI Global
Bibliometrics:
Citation Count: 1

In spite of the obvious importance of activity recognition technology for human centric applications, state-of-the-art activity recognition technology is not practical enough for real world deployments because of the insufficient accuracy and lack of support for programmability. The authors introduce a generic activity framework to address these issues. The generic ...
Keywords: Activity Model, Activity Recognition, Activity Theory, Generic Activity Framework, Multi Layer Neural Network

10
June 2012 SESENA '12: Proceedings of the Third International Workshop on Software Engineering for Sensor Network Applications
Publisher: IEEE Press
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 1,   Downloads (12 Months): 12,   Downloads (Overall): 51

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Developing and deploying a pervasive space is a multi-disciplined process where knowledge from various domains intersects. How can individual roles efficiently contribute their expertise and smoothly integrate their work to create a pervasive space? How does system design and architecture enable effective decoupling of these roles? Based on our own ...
Keywords: smart space lifecycle management, multi-role collaborations, roles, smart spaces

11
February 2012
Bibliometrics:
Citation Count: 0

Mobile platform development has lately become a technological war zone with extremely dynamic and fluid movement, especially in the smart phone and tablet market space. This Synthesis lecture is a guide to the latest developments of the key mobile platforms that are shaping the mobile platform industry. The book covers ...

12 published by ACM
October 2011 MSWiM '11: Proceedings of the 14th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems
Publisher: ACM
Bibliometrics:
Citation Count: 6
Downloads (6 Weeks): 2,   Downloads (12 Months): 29,   Downloads (Overall): 340

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Unlike traditional distributed systems, where the resources/needs of computation and communication dominate the performance equation, sensor-based systems (SBS) raise new metrics and requirements for sensors as well as for computing and communication. This includes sensing latency and energy consumption. In this paper, we present a performance model for SBS based ...
Keywords: pervasive computing, sentience efficiency, cloud computing, energy efficiency, push pull envelope, optimization, performance

13 published by ACM
September 2011 SAGAware '11: Proceedings of the 2011 international workshop on Situation activity & goal awareness
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 0,   Downloads (12 Months): 5,   Downloads (Overall): 215

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Activity recognition (AR) research promises to enable a multitude of human-centric applications in smart environments. Nevertheless, application developers will require assurance mechanisms before they can confidently use and apply AR in real-world pervasive systems. In this work we propose an extension of an existing AR approach in which richer recognition ...
Keywords: activity effect, activity effect knowledge base, activity assurance, recognition assurances, activity recognition, activity verification, situation

14 published by ACM
September 2011 SAGAware '11: Proceedings of the 2011 international workshop on Situation activity & goal awareness
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 0,   Downloads (12 Months): 6,   Downloads (Overall): 63

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Utilizing sensor data directly by Ubicomp applications requires simple programmatic abstractions such as sensor API's or service-oriented representations of sensors. However, there are other powerful utilities such as phenomena clouds, complex events, continuous queries, contexts, activities, situations, and goals, all needy of equally powerful programmatic abstractions. Without empowering and supporting ...
Keywords: programmable pervasive spaces, programmatic sensor fusion, sensor utilities

15 published by ACM
September 2011 NoME-IoT '11: Proceedings of the 2011 international workshop on Networking and object memories for the internet of things
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 3,   Downloads (12 Months): 51,   Downloads (Overall): 1,134

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The Internet of Things is a promising implementation approach to the vision of ubiquitous computing. However, "things" in the IoT are not always collaborative, cooperative or predictable. Things may interfere with each other or may be programmed erroneously. They may fail or cause other things to fail. This paper addresses ...
Keywords: pervasive computing, safety ontology, safety, internet of things, device description, device taxonomy

16
September 2011 UIC'11: Proceedings of the 8th international conference on Ubiquitous intelligence and computing
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 4

Activity recognition performance is significantly dependent on the accuracy of the underlying activity model. Therefore, it is essential to examine and develop an activity model that can capture and represent the complex nature of human activities precisely. To address this issue, we introduce a new activity modeling technique, which utilizes ...
Keywords: accuracy and certainty, activity semantic knowledge, generic activity framework, activity modeling, activity recognition

17
July 2011 IE '11: Proceedings of the 2011 Seventh International Conference on Intelligent Environments
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 9

Activity recognition research relies heavily on test data to verify the modeling technique and the performance of the activity recognition algorithm. But data from real deployments are expensive and time consuming to obtain. And even if cost is not an issue, regulatory limitations on the use of human subjects prohibit ...
Keywords: Pervasive system simulation, sensory dataset synthesis, human activity simulation, activity recognition algorithms, standard sensory dataset representation, simulation model

18
July 2011 SAINT '11: Proceedings of the 2011 IEEE/IPSJ International Symposium on Applications and the Internet
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 0

In principle, the entire world can exploit smart spaces to great societal benefits. In practice, however, there is as yet little fundamental basis or widely accepted programming models for such systems. There are also very few established standards for interoperability and for promoting a much needed ecosystem. In this talk, ...
Keywords: pervasive computing, programming models, interoperability, middleware, pervasive spaces

19
June 2011 Computer: Volume 44 Issue 6, June 2011
Publisher: IEEE Computer Society Press
Bibliometrics:
Citation Count: 0

The goals for developing smart cities are clear and convincing, and the technology is promising and exciting, but achieving these goals requires a massive IT footprinting process.
Keywords: IT footprinting, Smart cities, IT footprinting, Smart cities

20
October 2010 UIC-ATC '10: Proceedings of the 2010 Symposia and Workshops on Ubiquitous, Autonomic and Trusted Computing
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 1

This paper addresses issues of safety in pervasive spaces. We show how pervasive systems are different from traditional computer systems, and how their cyber-physical nature ties intimately with the users. Errors and conflicts in such space could have detrimental, dangerous or undesired effects on the user, the space, or the ...
Keywords: programming models for pervasive spaces, safety oriented programming model, space safety, safety ontology, programming model roles



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