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Guaranteeing Communication Quality in Real World WSN Deployments
"... April 29, 2011Für UnsShe had never before seen a rabbit with either a waistcoat-pocket, or a watch to take out of it, and burning with curiosity, she ran across the field after it Lewis CarrollThe following document, written under the supervision of Dr. reviewed by: ..."
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April 29, 2011Für UnsShe had never before seen a rabbit with either a waistcoat-pocket, or a watch to take out of it, and burning with curiosity, she ran across the field after it Lewis CarrollThe following document, written under the supervision of Dr. reviewed by:
YushanNet: A Real-World WSN Deployment for Hiker Tracking in Yushan National Park
"... The objective of this work is to develop a reliable and robust system for hiker tracking in a national park. Knowing tourists ’ hiking traces is important for the administration and operation of a national park. For instance, the aggregated information can help administrators to provide necessary se ..."
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use of opportunistic, ad hoc, and short-range wireless communications to dissemination data in a network. As funded by Yushan National Park Headquarters1, we are now deploying a WSN-based system, called YushanNet, for hiker tracking in Yushan National Park. The Yushan Mountain (3952m) is the highest
ANALYSIS OF WIRELESS SENSOR NETWORKS FOR HABITAT MONITORING
, 2004
"... We provide an in-depth study of applying wireless sensor networks (WSNs) to real-world habitat monitoring. A set of system design requirements were developed that cover the hardware design of the nodes, the sensor network software, protective enclosures, and system architecture to meet the require ..."
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Cited by 1490 (19 self)
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the requirements of biologists. In the summer of 2002, 43 nodes were deployed on a small island off the coast of Maine streaming useful live data onto the web. Although researchers anticipate some challenges arising in real-world deployments of WSNs, many problems can only be discovered through experience. We
OpenFlow: Enabling Innovation in Campus Networks
, 2008
"... This whitepaper proposes OpenFlow: a way for researchers to run experimental protocols in the networks they use every day. OpenFlow is based on an Ethernet switch, with an internal flow-table, and a standardized interface to add and remove flow entries. Our goal is to encourage networking vendors ..."
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Cited by 718 (84 self)
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on the other hand, vendors do not need to expose the internal workings of their switches. In addition to allowing researchers to evaluate their ideas in real-world traffic settings, OpenFlow could serve as a useful campus component in proposed large-scale testbeds like GENI. Two buildings at Stanford
A Bayesian approach to filtering junk E-mail
- PAPERS FROM THE 1998 WORKSHOP, AAAI
, 1998
"... In addressing the growing problem of junk E-mail on the Internet, we examine methods for the automated construction of filters to eliminate such unwanted messages from a user’s mail stream. By casting this problem in a decision theoretic framework, we are able to make use of probabilistic learning m ..."
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Cited by 545 (6 self)
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of this problem in addition to the raw text of E-mail messages, we can produce much more accurate filters. Finally, we show the efficacy of such filters in a real world usage scenario, arguing that this technology is mature enough for deployment.
The Google File System
- ACM SIGOPS OPERATING SYSTEMS REVIEW
, 2003
"... We have designed and implemented the Google File System, a scalable distributed file system for large distributed data-intensive applications. It provides fault tolerance while running on inexpensive commodity hardware, and it delivers high aggregate performance to a large number of clients. While s ..."
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Cited by 1501 (3 self)
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, discuss many aspects of our design, and report measurements from both micro-benchmarks and real world use.
k-anonymity: a model for protecting privacy.
- International Journal on Uncertainty, Fuzziness and Knowledge-based Systems,
, 2002
"... Consider a data holder, such as a hospital or a bank, that has a privately held collection of person-specific, field structured data. Suppose the data holder wants to share a version of the data with researchers. How can a data holder release a version of its private data with scientific guarantees ..."
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Cited by 1313 (15 self)
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policies are respected. The k-anonymity protection model is important because it forms the basis on which the real-world systems known as Datafly, µ-Argus and k-Similar provide guarantees of privacy protection.
Versatile Low Power Media Access for Wireless Sensor Networks
, 2004
"... We propose B-MAC, a carrier sense media access protocol for wireless sensor networks that provides a flexible interface to obtain ultra low power operation, effective collision avoidance, and high channel utilization. To achieve low power operation, B-MAC employs an adaptive preamble sampling scheme ..."
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Cited by 1099 (19 self)
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. We show that B-MAC’s flexibility results in better packet delivery rates, throughput, latency, and energy consumption than S-MAC. By deploying a real world monitoring application with multihop networking, we validate our protocol design and model. Our results illustrate the need for flexible
The dynamic behavior of a data dissemination protocol for network programming at scale
- In Proceedings of the Second International Conferences on Embedded Network Sensor Systems (SenSys
"... To support network programming, we present Deluge, a reliable data dissemination protocol for propagating large data objects from one or more source nodes to many other nodes over a multihop, wireless sensor network. Deluge builds from prior work in density-aware, epidemic maintenance protocols. Usi ..."
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Cited by 492 (24 self)
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. Using both a real-world deployment and simulation, we show that Deluge can reliably disseminate data to all nodes and characterize its overall performance. On Mica2dot nodes, Deluge can push nearly 90 bytes/second, oneninth the maximum transmission rate of the radio supported under TinyOS. Control
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