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Displaying 1-42 out of 42 total
Performance metrics and ontology for describing performance data of grid workflows
Found in: Cluster Computing and the Grid, IEEE International Symposium on
By Hong-Linh Truong, T. Fahringer, F. Nerieri, S. Dustdar
Issue Date:May 2005
pp. 301-308
To understand the performance of grid workflows, performance analysis tools have to select, measure and analyze various performance metrics of the workflows. However there is a lack of a comprehensive study of performance metrics which can be used to evalu...
 
On Using SCALEA for Performance Analysis of Distributed and Parallel Programs
Found in: SC Conference
By Hong-Linh Truong, Thomas Fahringer, Georg Madsen, Allen D. Malony, Hans Moritsch, Sameer Shende
Issue Date:November 2001
pp. 37
In this paper we give an overview of SCALEA, which is a new performance analysis tool for OpenMP, MPI, HPF, and mixed parallel/distributed programs. SCALEA instruments, executes and measures programs and computes a variety of performance overheads based on...
 
inContext: A Pervasive and Collaborative Working Environment for Emerging Team Forms
Found in: Applications and the Internet, IEEE/IPSJ International Symposium on
By Hong-Linh Truong, Schahram Dustdar, Dino Baggio, Stephane Corlosquet, Christoph Dorn, Giovanni Giuliani, Robert Gombotz, Yi Hong, Pete Kendal, Christian Melchiorre, Sarit Moretzky, Sebastien Peray, Axel Polleres, Stephan Reiff-Marganiec, Daniel Schall, Sim
Issue Date:August 2008
pp. 118-125
Participants in current team collaborations belong to different organizations, work on multiple objectives at the same time, and frequently change locations. They use different devices and infrastructures in collaboration processes that can last from a few...
 
MELA: Monitoring and Analyzing Elasticity of Cloud Services
Found in: 2013 IEEE 5th International Conference on Cloud Computing Technology and Science (CloudCom)
By Daniel Moldovan,Georgiana Copil,Hong-Linh Truong,Schahram Dustdar
Issue Date:December 2013
pp. 80-87
Cloud computing has enabled a wide array of applications to be exposed as elastic cloud services. While the number of such services has rapidly increased, there is a lack of techniques for supporting cross-layered multi-level monitoring and analysis of ela...
 
PatRICIA -- A Novel Programming Model for IoT Applications on Cloud Platforms
Found in: 2013 IEEE 6th International Conference on Service-Oriented Computing and Applications (SOCA)
By Stefan Nastic,Sanjin Sehic,Michael Vogler,Hong-Linh Truong,Schahram Dustdar
Issue Date:December 2013
pp. 53-60
Cloud computing technologies have recently been intensively exploited for the development and management of large-scale IoT systems, due to their capability to integrate diverse types of IoT devices and to support big IoT data analytics in an elastic manne...
 
Multi-perspective Process Variability: A Case for Smart Green Buildings (Short Paper)
Found in: 2013 IEEE 6th International Conference on Service-Oriented Computing and Applications (SOCA)
By Aitor Murguzur,Hong-Linh Truong,Schahram Dustdar
Issue Date:December 2013
pp. 25-29
The variability scale in large-scale Cyber-Physical Systems (CPSs) is high and complex due to the voluminous ness, dynamicity and diversity of available computing resources (people, things and software services), domain-specific processes, domain-specific ...
 
Testing Elastic Computing Systems
Found in: IEEE Internet Computing
By Alessio Gambi,Waldemar Hummer,Hong-Linh Truong,Schahram Dustdar
Issue Date:November 2013
pp. 76-82
Elastic computing systems are a new breed of software system that arose with cloud computing and continue to gain increasing attention and adoption. They stretch and contract in response to external stimuli, such as the input workload, aiming to balance re...
 
Web-Scale Service Delivery for Smart Cities
Found in: IEEE Internet Computing
By Fei Li,Michael Vogler,Sanjn Sehic,Soheil Qanbari,Stefan Nastic,Hong-Linh Truong,Schahram Dustdar
Issue Date:July 2013
pp. 78-83
Smart cities encompass services in diverse business and technological domains. Presently, most of these services are delivered through domain-specific, tightly coupled systems, which entail limited scalability and extensibility. The authors propose Web-sca...
 
Modeling Elasticity Trade-Offs in Adaptive Mixed Systems
Found in: 2013 IEEE 22nd International Workshop On Enabling Technologies: Infrastructure For Collaborative Enterprises (WETICE)
By Muhammad Z.C. Candra,Hong-Linh Truong,Schahram Dustdar
Issue Date:June 2013
pp. 21-26
In the past decade, elastic computing has emerged as a popular solution approach for on-demand computing resources' provisioning. Today, such dynamic resource provisioning is used not only in machine-based computing systems but also in mixed systems contai...
 
SYBL: An Extensible Language for Controlling Elasticity in Cloud Applications
Found in: 2013 13th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGrid)
By Georgiana Copil,Daniel Moldovan,Hong-Linh Truong,Schahram Dustdar
Issue Date:May 2013
pp. 112-119
Elasticity in cloud computing is a complex problem, regarding not only resource elasticity but also quality and cost elasticity, and most importantly, the relations among the three. Therefore, existing support for controlling elasticity in complex applicat...
 
M2M Platform-as-a-Service for sustainability governance
Found in: 2012 5th IEEE International Conference on Service-Oriented Computing and Applications (SOCA)
By Hong-Linh Truong,Schahram Dustdar
Issue Date:December 2012
pp. 1-4
Recently, cloud computing technologies have been employed for large-scale machine-to-machine (M2M) systems, as they could potentially offer better solutions for managing monitoring data and analytics applications to support the needs of different consumers...
 
Programming Directives for Elastic Computing
Found in: IEEE Internet Computing
By S. Dustdar, Yike Guo, Rui Han,B. Satzger, Hong-Linh Truong
Issue Date:November 2012
pp. 72-77
Enabling and controlling the elasticity of cloud computing applications is challenging. The developer must deal with daunting tasks using low-level code to implement strategies trading off costs versus quality of service. Programming directives can substan...
 
DEMODS: A Description Model for Data-as-a-Service
Found in: Advanced Information Networking and Applications, International Conference on
By Quang Hieu Vu,Tran-Vu Pham,Hong-Linh Truong,Schahram Dustdar,Rasool Asal
Issue Date:March 2012
pp. 605-612
Cloud computing based Data-as-a-Service (DaaS) has become popular. Several data assets have been released in DaaSes across different cloud platforms. Nevertheless, there are no well-defined ways to describe DaaSes and their associated data assets. On the o...
 
A Novel Framework for Monitoring and Analyzing Quality of Data in Simulation Workflows
Found in: eScience, IEEE International Conference on
By Michael Reiter,Uwe Breitenbücher,Schahram Dustdar,Dimka Karastoyanova,Frank Leymann,Hong-Linh Truong
Issue Date:December 2011
pp. 105-112
In recent years scientific workflows have been used for conducting data-intensive and long running simulations. Such simulation workflows have processed and produced different types of data whose quality has a strong influence on the final outcome of simul...
 
On Analyzing and Developing Data Contracts in Cloud-Based Data Marketplaces
Found in: Asia-Pacific Conference on Services Computing. 2006 IEEE
By Hong-Linh Truong,G.R. Gangadharan,Marco Comerio,Schahram Dustdar,Flavio De Paoli
Issue Date:December 2011
pp. 174-181
Currently, rich and diverse data types have been increasingly provided using the Data-as-a-Service (DaaS) model, a form of cloud computing services. However, data offered by DaaS are constrained by several data concerns that, if not automatically being rea...
 
Elastic High Performance Applications -- A Composition Framework
Found in: Asia-Pacific Conference on Services Computing. 2006 IEEE
By Tran Vu Pham,Hong-Linh Truong,Schahram Dustdar
Issue Date:December 2011
pp. 416-423
With diverse and rich offerings from cloud computing providers in the open cloud market, scientists have great opportunities to design and conduct complex applications by utilizing and combining computational resources, software components and data sources...
 
Exchanging Data Agreements in the DaaS Model
Found in: Asia-Pacific Conference on Services Computing. 2006 IEEE
By Hong-Linh Truong,Schahram Dustdar,Joachim Götze,Tino Fleuren,Paul Müller,Salah-Eddine Tbahriti,Michael Mrissa,Chirine Ghedira
Issue Date:December 2011
pp. 153-160
Rich types of data offered by data as a service(DaaS) in the cloud are typically associated with different and complex data concerns that DaaS service providers, data providers and data consumers must carefully examine and agree with before passing and uti...
 
Principles of Elastic Processes
Found in: IEEE Internet Computing
By Schahram Dustdar,Yike Guo,Benjamin Satzger,Hong-Linh Truong
Issue Date:September 2011
pp. 66-71
Cloud computing's success has made on-demand computing with a pay-as-you-go pricing model popular. However, cloud computing's focus on resources and costs limits progress in realizing more flexible, adaptive processes. The authors introduce elastic process...
 
Service-centric Inference and Utilization of Confidence on Context
Found in: Asia-Pacific Conference on Services Computing. 2006 IEEE
By Atif Manzoor, Hong-Linh Truong, Christoph Dorn, Schahram Dustdar
Issue Date:December 2010
pp. 11-18
The inadequate quality of context forces the context consumers in pervasive environments to reason about the quality and relevance of context to be confident of its worth to perform their functionality. The additional task of analyzing large volumes of con...
 
On Evaluating and Publishing Data Concerns for Data as a Service
Found in: Asia-Pacific Conference on Services Computing. 2006 IEEE
By Hong-Linh Truong, Schahram Dustdar
Issue Date:December 2010
pp. 363-370
The proliferation of Data as a Service (DaaS) available on the Internet and offered by cloud service providers indicates an increasing trend in providing data under Web services in e-science and business domains. While data usage and selection are dependen...
 
Privacy Model and Annotation for DaaS
Found in: Web Services, European Conference on
By Michael Mrissa, Salah-Eddine Tbahriti, Hong-Linh Truong
Issue Date:December 2010
pp. 3-10
Data as a Service (DaaS) builds on service-oriented technologies to enable fast access to data resources on the Web. However, this paradigm raises several new concerns that traditional privacy models for Web services do not handle. First, the distinction b...
 
DySCon: Dynamic Sharing Control for Distributed Team Collaboration in Networked Enterprises
Found in: E-Commerce Technology, IEEE International Conference on
By Ahmad Kamran Malik, Hong-Linh Truong, Schahram Dustdar
Issue Date:July 2009
pp. 279-284
Networked enterprises create virtual teams of distributed experts belonging to different enterprises where one user can be part of multiple teams; How to effectively control the sharing of personal and shared context information among members of multiple o...
 
DMC 2009
Found in: Enabling Technologies, IEEE International Workshops on
By Gerald Reif, Harald Gall, Hong-Linh Truong, Schahram Dustdar
Issue Date:July 2009
pp. 148
No summary available.
 
Quality Aware Context Information Aggregation System for Pervasive Environments
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Atif Manzoor, Hong-Linh Truong, Schahram Dustdar
Issue Date:May 2009
pp. 266-271
Sensing context information and making it available to the people, involved in coordinating a collaborative task, is a preliminary phase in making a system adaptable to the prevailing situation in pervasive environments. However, the diversity of the sourc...
 
Vimoware - A Toolkit for Mobile Web Services and Collaborative Computing
Found in: Software Engineering and Advanced Applications, Euromicro Conference
By Hong-Linh Truong, Lukasz Juszczyk, Shariq Bashir, Atif Manzoor, Schahram Dustdar
Issue Date:September 2008
pp. 366-373
Mobile devices are considered to be very useful in ad-hoc and team collaborations, for example in disaster responses, where dedicated infrastructures are not available. Such collaborations normally require flexible and interoperable services while running ...
 
SEMF - Service Evolution Management Framework
Found in: Software Engineering and Advanced Applications, Euromicro Conference
By Martin Treiber, Hong-Linh Truong, Schahram Dustdar
Issue Date:September 2008
pp. 329-336
With the growing popularity of Web services, an increasing number of Web services have been integrated into and used by complex service oriented systems. As a result, the management of Web services has gained more importance as Web services management syst...
 
License-Aware Service Selection
Found in: E-Commerce Technology and Enterprise Computing, E-Commerce and E-Services, IEEE Conference and Fifth IEEE Conference
By G. R. Gangadharan, Marco Comerio, Hong-Linh Truong, Vincenzo D'Andrea, Flavio De Paoli, Schahram Dustdar
Issue Date:July 2008
pp. 305-310
The distribution of services spanning across organizational boundaries raises problems related to intellectual value that are less explored in current service oriented research. Being a way to manage the intellectual rights between service consumers and se...
 
DMC-Distributed and Mobile Collaboration Workshop Report
Found in: Enabling Technologies, IEEE International Workshops on
By Gerald Reif, Harald Gall, Hong-Linh Truong, Schahram Dustdar
Issue Date:June 2008
pp. 145-146
The Distributed and Mobile Collaboration workshop (DMC) took place at the 17th IEEE International Workshops on Enabling Technologies: Infrastructures for Collaborative Enterprises (WETICE), that is, on June the 24th and 25th 2008 in Roma, Italy. The 2008 e...
 
Unifying Human and Software Services in Web-Scale Collaborations
Found in: IEEE Internet Computing
By Daniel Schall, Hong-Linh Truong, Schahram Dustdar
Issue Date:May 2008
pp. 62-68
As collaborative Web-based platforms evolve into service-oriented architectures, they promote composite and user-enriched services. In such platforms, the collaborations typically involve both humans and software services, thus creating highly dynamic and ...
 
GENESIS - A Framework for Automatic Generation and Steering of Testbeds of ComplexWeb Services
Found in: Engineering of Complex Computer Systems, IEEE International Conference on
By Lukasz Juszczyk, Hong-Linh Truong, Schahram Dustdar
Issue Date:April 2008
pp. 131-140
Nowadays, the importance of Web services is steadily increasing in domains where interoperability is of paramount importance. This trend is especially observable in complex computer systems which consist of a large number of interacting distributed compone...
 
Consumer-Specified Service License Selection and Composition
Found in: Commercial-off-the-Shelf (COTS)-Based Software Systems, International Conference on
By G. R. Gangadharan, Hong-Linh Truong, Martin Treiber, Vincenzo D'Andrea, Schahram Dustdar, Renato Iannella, Michael Weiss
Issue Date:February 2008
pp. 194-203
Service oriented computing represents the convergence of technology with an understanding of cross-organizational business processes. A service license describes the terms and conditions for the use and access of the service in a machine interpretable way....
 
Pervasive Software Environments for Supporting Disaster Responses
Found in: IEEE Internet Computing
By Tiziana Catarci, Massimiliano de Leoni, Andrea Marrella, Massimo Mecella, Berardino Salvatore, Guido Vetere, Schahram Dustdar, Lukasz Juszczyk, Atif Manzoor, Hong-Linh Truong
Issue Date:January 2008
pp. 26-37
In complex emergency scenarios, teams from various emergency-response organizations must collaborate. These teams include both first responders, such as police and fire departments, and those operators who coordinate the effort from operational centers. Th...
 
K-WfGrid Distributed Monitoring and Performance Analysis Services for Workflows in the Grid
Found in: e-Science and Grid Computing, International Conference on
By Hong-Linh Truong, Peter Brunner, Thomas Fahringer, Francesco Nerieri, Robert Samborski, Bartosz Balis, Marian Bubak, Kuba Rozkwitalski
Issue Date:December 2006
pp. 15
Grid workflows for e-science are complex and prone to failures. However, there is a lack of performance monitoring and analysis tools for supporting the user as well as workflow middleware to monitor and understand the performance of complex interactions a...
 
Towards a Framework for Monitoring and Analyzing QoS Metrics of Grid Services
Found in: e-Science and Grid Computing, International Conference on
By Hong-Linh Truong, Robert Samborski, Thomas Fahringer
Issue Date:December 2006
pp. 65
QoS (Quality of Service) parameters play a key role in selecting Grid resources and optimizing resources usage efficiently. Although many works have focused on using QoS metrics, surprisingly few tools support the monitoring and analysis of QoS metrics of ...
 
Overhead Analysis of Grid Workflow Applications
Found in: Grid Computing, IEEE/ACM International Workshop on
By Francesco Nerieri, Radu Prodan, Thomas Fahringer, Hong-linh Truong
Issue Date:September 2006
pp. 17-24
In this paper we propose a systematic approach to performance analysis of workflow applications on the grid. We introduce an ideal model for the workflow execution time and explain the difference to the real measured times based on a hierarchy of performan...
 
ASKALON: A Grid Application Development and Computing Environment
Found in: Grid Computing, IEEE/ACM International Workshop on
By T. Fahringer, R. Prodan, Rubing Duan, F. Nerieri, S. Podlipnig, Jun Qin, M. Siddiqui, Hong-Linh Truong, A. Villazon, M. Wieczorek
Issue Date:November 2005
pp. 122-131
No summary available.
 
Self-Managing Sensor-Based Middleware for Performance Monitoring and Data Integration in Grids
Found in: Parallel and Distributed Processing Symposium, International
By Hong-Linh Truong, Thomas Fahringer
Issue Date:April 2005
pp. 13b
This paper describes a sensor-based middleware for performance monitoring and data integration in the Grid that is capable of self-management. The middleware unifies both system and application monitoring in a single system, storing various types of monito...
 
The Human-Provided Services Framework
Found in: E-Commerce Technology and Enterprise Computing, E-Commerce and E-Services, IEEE Conference and Fifth IEEE Conference
By Daniel Schall, Hong-Linh Truong, Schahram Dustdar
Issue Date:July 2008
pp. 149-156
The collaboration landscape evolves rapidly by allowing people to participate in ad-hoc and process-centric collaborations. Thus, it is important to support humans in managing highly dynamic and complex interactions. The problem currently with managing int...
 
Incentives and rewarding in social computing
Found in: Communications of the ACM
By Hong-Linh Truong, Ognjen Scekic, Schahram Dustdar
Issue Date:June 2013
pp. 72-82
Praise, pay, and promote crowd-member workers to elicit desired behavioral responses and performance levels.
     
Information modelling for sustainable buildings
Found in: Proceedings of the 13th International Conference on Information Integration and Web-based Applications and Services (iiWAS '11)
By Hong-Linh Truong, Matija Konig, Schahram Dustdar, Vlado Stankovski
Issue Date:December 2011
pp. 507-510
Achieving sustainability has become an important goal in the construction, refurbishment, operation and management of buildings. To this end, we need to achieve greater information exchange, especially, about practices and solutions for Energy Efficiency (...
     
On modeling, collecting and utilizing context information for disaster responses in pervasive environments
Found in: Proceedings of the first international workshop on Context-aware software technology and applications (CASTA '09)
By Atif Manzoor, Hong-Linh Truong, Schahram Dustdar
Issue Date:August 2009
pp. 171-172
To support collaborative work in disaster responses, various types of context information must be gathered and shared not only within teams at disaster sites, but also among various teams and services in pervasive environments. We propose a representation ...
     
On using SCALEA for performance analysis of distributed and parallel programs
Found in: Proceedings of the 2001 ACM/IEEE conference on Supercomputing (CDROM) (Supercomputing '01)
By Allen D. Malony, Georg Madsen, Hans Moritsch, Hong-Linh Truong, Sameer Shende, Thomas Fahringer
Issue Date:November 2001
pp. 34-34
In this paper we give an overview of SCALEA, which is a new performance analysis tool for OpenMP, MPI, HPF, and mixed parallel/distributed programs. SCALEA instruments, executes and measures programs and computes a variety of performance overheads based on...
     
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