| Author | Title | Year | Journal/Proceedings | Reftype | DOI/URL |
|---|---|---|---|---|---|
| Glombitza, N., Buschmann, C., Pfisterer, D., Fischer, S. & Pahl, H. | Towards Service Orientation on Resource Constrained Devices | 2009 | WEBIST 2009 - 5th International Conference on Web Information Systems and Technologies | inproceedings | |
| Abstract: For the flexible integration of enterprise applications and business processes, the Service Oriented Architecture (SOA) concept and the web service technology are the state of the art today. Especially for powerful hardware, a lot of web service and related technologies were developed during the last years. But with the development of Future Internet technologies, there is a demand for integrating all kinds of devices into a SOA. This includes especially devices with extremely limited resources, such as wireless sensor nodes, which are not capable of running today's web service technologies. In this paper we disclose the need for research action on different layers of the web service technology stack. We discuss promising solutions for running standard compliant web services in sensor networks and integrating sensor network and enterprise IT web services as well as BPEL business processes seamlessly. We introduce the L2D2 project in which our concept will be realized and proven. | |||||
BibTeX:
@inproceedings{Glombitza2009Webist,
author = {Nils Glombitza and Carsten Buschmann and Dennis Pfisterer and Stefan Fischer and Horst Pahl},
title = {Towards Service Orientation on Resource Constrained Devices},
booktitle = {WEBIST 2009~-- 5th International Conference on Web Information Systems and Technologies},
year = {2009}
}
|
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| Glombitza, N., Hellbrück, H. & Fischer, S. | Evaluating Ad Hoc Networks with FRED [BibTeX] |
2008 | The 9th ACM International Symposium on Mobile Ad Hoc Networking and Computing (ACM Mobihoc 2008), Demo Session | inproceedings | URL |
BibTeX:
@inproceedings{glombitza2008mobihoc,
author = {Nils Glombitza and Horst Hellbrück and Stefan Fischer},
title = {Evaluating Ad Hoc Networks with FRED},
booktitle = {The 9th ACM International Symposium on Mobile Ad Hoc Networking and Computing (ACM Mobihoc 2008), Demo Session},
year = {2008},
url = {http://www.itm.uni-luebeck.de/projects/fred/mobihoc2008/fred_poster.pdf}
}
|
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| Glombitza, N., Lipphardt, M., Hellbrück, H. & Fischer, S. | FRED - An Application for a Real-Life Large Scale Multihop Ad Hoc Network | 2008 | Proceedings of the 5th Annual IEEE/IFIP Conference on Wireless On demand Network Systems and Services (WONS'08), pp. 73-76 | inproceedings | |
| Abstract: Simulations were standard in the Mobile Ad Hoc Network (MANET) research community in the past. New protocols and algorithms were validated via simulations by network simulators such as ns2 or GloMoSim. However, even with the increasing number of published simulation papers, contradictory results are decreasing the confidence in simulations today. First experimental results show that simulation models for Ad Hoc networks are far from being realistic and protocols developed in simulations failed in real word environments. As a result, the demand for experimental results and application deployments within the research community increases. In this paper, we introduce FRED as a suitable application to conduct protocol evaluations as well as user acceptance surveys. FRED (Flexible Radio Enabled Dialog) is an enhanced TED-System that allows asynchronous surveys or quizzes with a multi hop radio network, where individual participants conduct the survey independent of others. FRED is based on the pacemate sensor network platform that provides a comfortable lightweight housing, a simple radio interface and an intuitive GUI that allows long term evaluations of user acceptance and network protocols. | |||||
BibTeX:
@inproceedings{glombitza2008wons,
author = {Nils Glombitza and Martin Lipphardt and Horst Hellbrück and Stefan Fischer},
title = {FRED~-- An Application for a Real-Life Large Scale Multihop Ad Hoc Network},
booktitle = {Proceedings of the 5th Annual IEEE/IFIP Conference on Wireless On demand Network Systems and Services (WONS'08)},
year = {2008},
pages = {73-76}
}
|
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| Glombitza, N., Lipphardt, M., Werner, C. & Fischer, S. | Using Graphical Process Modeling for Realizing SOA Programming Paradigms in Sensor Networks | 2009 | Proceedings of the 6th Annual IEEE/IFIP Conference on Wireless On demand Network Systems and Services, pp. 61-68 | inproceedings | |
| Abstract: Designing and modifying sensor network applications demand for IT expertise in the field of distributed systems. Programming paradigms used in application development for sensor networks like object orientation do not refer to the distributed nature of a sensor network application. This represses the usage of sensor network technology as part of industrial applications. In enterprises graphical tools like BPEL and BPMN are used to coordinate distributed processes and overcome the complexity of the interaction among different components. In this work we introduce the GWELS toolbox as graphical process modeling tool to realize the service oriented programming paradigm for sensor networks and ease the development and integration of sensor network applications. We exemplarily design and deploy a sensor network application with GWELS to demonstrate the applicability of our approach. | |||||
BibTeX:
@inproceedings{Glombitza2009WONS,
author = {Nils Glombitza and Martin Lipphardt and Christian Werner and Stefan Fischer},
title = {Using Graphical Process Modeling for Realizing SOA Programming Paradigms in Sensor Networks},
booktitle = {Proceedings of the 6th Annual IEEE/IFIP Conference on Wireless On demand Network Systems and Services},
year = {2009},
pages = {61-68}
}
|
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| Glombitza, N., Mietz, R., Römer, K., Fischer, S. & Pfisterer, D. | Poster Abstract: Integrating Wireless Sensor Network and Enterprise IT Web Services | 2010 | 7th European Conference on Wireless Sensor Networks | inproceedings | |
| Abstract: In the emerging Internet of Things a plethora of mostly resource constrained devices (e.g., sensor nodes) offering different services are integrated into the Internet. Thus, to flexibly use these services, which are often characterized by ad-hoc communication links, decentralized service discovery and self-description is needed. Due to the existence of different protocols, a protocol conversion to integrate WSNs into today's (IP-based) networks is essential. We propose an approach to efficiently realize self-description and dynamic discovery of embedded Web Services using a schema-based WSDL compression. Furthermore, we present an approach to convert between standard Web Service transport bindings such as SOAP+HTTP and optimized binding for WSNs using schema-based SOAP message compression. | |||||
BibTeX:
@inproceedings{glombitza2010ewsn,
author = {Nils Glombitza and Richard Mietz and Kay Römer and Stefan Fischer and Dennis Pfisterer},
title = {Poster Abstract: Integrating Wireless Sensor Network and Enterprise IT Web Services},
booktitle = {7th European Conference on Wireless Sensor Networks},
year = {2010}
}
|
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| Glombitza, N., Mietz, R., Römer, K., Fischer, S. & Pfisterer, D. | Self-Description and Protocol Conversion for a Web of Things | 2010 | Proceedings of 2010 IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC 2010) | inproceedings | |
| Abstract: In the upcoming Internet of Things a plethora of mostly extremely resource constrained devices are integrated into the Internet which is extended to the physical world. The corresponding systems provide all kinds of services which are characterized by a highly decentralized organization. Thus, to flexibly use these services, a decentralized service discovery and self description is needed while under-running the devices' resource constrains. As further problem, since resource constrained devices are not capable of using classical communication protocols, a protocol conversion to integrate the Internet of Things into today's networks is required. In this paper, we propose an approach to efficiently realize standard compliant self description and dynamic discovery of Web Services using a schema based WSDL compression. Furthermore, we present an approach to convert between Web Service transport bindings which are allowed to use schema based SOAP message compression. | |||||
BibTeX:
@inproceedings{Glombitza2010SUTC,
author = {Nils Glombitza and Richard Mietz and Kay Römer and Stefan Fischer and Dennis Pfisterer},
title = {Self-Description and Protocol Conversion for a Web of Things},
booktitle = {Proceedings of 2010 IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC 2010)},
year = {2010}
}
|
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| Glombitza, N., Pfisterer, D. & Fischer, S. | LTP: An Efficient Web Service Transport Protocol for Resource Constrained Devices | 2010 | Seventh Annual IEEE Communications Society Conference on Sensor, Mesh, and Ad Hoc Communications and Networks (IEEE SECON' 10) | inproceedings | |
| Abstract: Wireless Sensor Networks (WSNs) are envisioned to become an integral part of the Future Internet. Together with countless other embedded appliances, such resource-constraint devices will form an Internet of Things (IoT) where all kinds of devices extend the Internet to the physical world. In this vision, the seamless and flexible integration of IoT devices ranging from simple sensor nodes to large scale Enterprise IT servers are the basis for novel applications and business processes not possible before. A major challenge is to master the arising challenges of scale, low resources, and heterogeneity. In the Internet and especially in Enterprise IT, heterogeneity is addressed using Service-Oriented Architectures (SOA). However, today's technologies used to realize SOAs are to heavyweight to be used in resource-constraint networks (RCNs). In this paper, we introduce a novel, versatile, and light-weight Web Service transport protocol (called Lean Transport Protocol, LTP) that allows the transparent exchange of Web Service messages between all kinds of resource-constrained devices and server or PC class systems. We describe LTP in detail and show by real-world measurements that LTP has the potential to serve as standard Web Service transport protocol in the Internet of Things. | |||||
BibTeX:
@inproceedings{glombitza10secon-ltp,
author = {Nils Glombitza and Dennis Pfisterer and Stefan Fischer},
title = {LTP: An Efficient Web Service Transport Protocol for Resource Constrained Devices},
booktitle = {Seventh Annual IEEE Communications Society Conference on Sensor, Mesh, and Ad Hoc Communications and Networks (IEEE SECON' 10)},
year = {2010}
}
|
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| Glombitza, N., Pfisterer, D. & Fischer, S. | A Comprehensive Approach to Integrating Sensor Networks and Enterprise IT | 2010 | International Journal of Next-Generation Computing Vol. 1(No. 1), pp. 16-32 |
article | |
| Abstract: It is envisioned that in the future, all kinds of devices ranging from resource-constraint wireless sensor nodes to powerful server-class computers will interact to form an Internet of Things (IoT). In such a setting, tiny devices will extend the Internet to the physical world and allow for a completely new class of applications. However, until today, no widespread deployment of such IoT applications can be observed. Major challenges to master issues of embedded programming, massive distribution, resource constraints, heterogeneity, and seamless integration with traditional Internet technologies. Orchestrating such a number of different devices to form an application can be arbitrarily complex. In the Internet and especially in Enterprise IT, the concept of Service-Oriented Architectures (SOA) has been applied successfully to address this orchestration problem. However, the technologies used to realize SOAs (such as Web Services, HTTP, XML, or BPEL) are to heavyweight to be used in resource-constraint networks. In this paper, we present a comprehensive, Web Service-compliant approach to use SOA technologies in WSNs. Our approach comprises self-description of sensor nodes, a light-weight Web Service transport protocol (called Lean Transport Protocol, LTP), an approach for the model-based programming of sensor nodes, and a solution for the integration with the Internet. We present an exhaustive simulation showing the first-rate performance of the approach. | |||||
BibTeX:
@article{Glombitza2010IJNGC,
author = {Nils Glombitza and Dennis Pfisterer and Stefan Fischer},
title = {A Comprehensive Approach to Integrating Sensor Networks and Enterprise IT},
journal = {International Journal of Next-Generation Computing},
year = {2010},
volume = {1},
number = {No. 1},
pages = {16-32}
}
|
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| Glombitza, N., Pfisterer, D. & Fischer, S. | Using State Machines for a Model Driven Development of Web Service-Based Sensor Network Applications | 2010 | Proceedings of the 32nd ACM/IEEE International Conference on Software Engineering and ICSE Workshops | inproceedings | |
| Abstract: In the Internet of Things, all kinds of devices will extend the Internet to the physical world. In that vision, even extremely resource constrained sensor nodes can be triggered by as well as trigger business processes and are not limited to sense-and-send anymore. Despite the large potential, due to the time consuming, inflexible, and error prone development of sensor network applications, sensor networks are rarely integrated into today's enterprise IT. In this paper, we present an approach using state machines for a Model Driven Development of Web Service-based sensor network applications. We show how Web Services can be realized on sensor nodes and present a domain-specific language called State Machine for Resource Constrained Devices (SM4RCD) to orchestrate these services. | |||||
BibTeX:
@inproceedings{glombitza2010sesena,
author = {Nils Glombitza and Dennis Pfisterer and Stefan Fischer},
title = {Using State Machines for a Model Driven Development of Web Service-Based Sensor Network Applications},
booktitle = {Proceedings of the 32nd ACM/IEEE International Conference on Software Engineering and ICSE Workshops},
year = {2010}
}
|
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| Glombitza, N., Pfisterer, D. & Fischer, S. | On the Integration of Service-Oriented Architectures and Sensor Networks | 2009 | Proceedings of the 5th IEEE International Conference on Distributed Computing in Sensor Systems (DCOSS Workshop) | inproceedings | |
| Abstract: Currently, two major trends are gaining momentum: Service-Oriented Architectures (SOA) based on Internet standards are widely deployed in industry and Wireless Sensor Networks (WSNs) are becoming an integral part of the Future Internet. Combined, these two trends lay the groundwork for a new class of applications where all kinds of devices ranging from simple sensor nodes to large-scale application servers interact to drive business processes not possible before. That way, data stemming from a WSN monitoring assets in a port area influence the control flow of a business process in real-time or even trigger a business process. To achieve this level of integration, WSNs must seamlessly interoperate with existing widely deployed SOA technologies such as XML, Web Services, and the Business Process Execution Language (BPEL) to name only a few. However, due to their high ressource demand, these technologies are hardly applicable in resource-constrained WSN environments. In this paper, we present a survey of existing approaches and introduce our technique to seamlessly integrate WSNs into SOA environment using only very few resources. | |||||
BibTeX:
@inproceedings{glombitza2009iwsne,
author = {Nils Glombitza and Dennis Pfisterer and Stefan Fischer},
title = {On the Integration of Service-Oriented Architectures and Sensor Networks},
booktitle = {Proceedings of the 5th IEEE International Conference on Distributed Computing in Sensor Systems (DCOSS Workshop)},
year = {2009}
}
|
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| Glombitza, N., Pfisterer, D. & Fischer, S. | Integrating Wireless Sensor Networks into Web Service-Based Business Processes | 2009 | MidSens '09: Proceedings of the 4th International Workshop on Middleware Tools, Services and Run-Time Support for Sensor Networks, pp. 25-30 | inproceedings | DOI |
| Abstract: Wireless Sensor Networks (WSNs) are envisioned to become an integral part of the Future Internet where they extend the Internet to the physical world. Yet, while Service-Oriented Architectures (SOA) are prospering in Enterprise-IT, wireless sensor networks have - despite contrary prognoses - not found their way into enterprises. A major obstacle is certainly the different and resource-constraint nature of this class of devices. We argue that approaches for the seamless integration with existing, widely deployed SOA technologies such as XML, Web Services, and the Business Process Execution Language (BPEL) are key to the success of WSNs in enterprises. In this paper, we present our approach to integrate WSNs into SOA environments using these technologies in a resource-efficient but fully standard-compliant way. We evaluate our implementation and present a case study. | |||||
BibTeX:
@inproceedings{glombitza2009midsens,
author = {Glombitza, Nils and Pfisterer, Dennis and Fischer, Stefan},
title = {Integrating Wireless Sensor Networks into Web Service-Based Business Processes},
booktitle = {MidSens~'09: Proceedings of the 4th International Workshop on Middleware Tools, Services and Run-Time Support for Sensor Networks},
publisher = {ACM},
year = {2009},
pages = {25--30},
doi = {http://doi.acm.org/10.1145/1658192.1658197}
}
|
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| Lipphardt, M., Glombitza, N., Neumann, J. & Werner, C. | Demo Abstract: A Service-oriented Operating System and an Application Development Infrastructure for Wireless Sensor Networks | 2009 | The 7th ACM Conference on Embedded Networked Sensor Systems (SenSys 2009) | inproceedings | |
| Abstract: Due to the highly distributed nature and special basic conditions such as limited resources, implementing and maintaining a sensor network application is a tedious task. In this demonstration we present a service-oriented operating system for sensor nodes and a framework that allows a composition of services on the nodes. We show how sensor network applications can be composed and modified by using different services. | |||||
BibTeX:
@inproceedings{Lipphardt2009Sensys,
author = {Martin Lipphardt and Nils Glombitza and Jana Neumann and Christian Werner},
title = {Demo Abstract: A Service-oriented Operating System and an Application Development Infrastructure for Wireless Sensor Networks},
booktitle = {The 7th ACM Conference on Embedded Networked Sensor Systems (SenSys 2009)},
year = {2009}
}
|
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