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Portland State University
(26 results)-
White Papers
Traffic Analysis of UDP-Based Flows in Ourmon Portland State University - Computer Science Technical Report - 0807
December 31, 2008, 12:00am PST
This paper presents a custom UDP flow tuple with an IP address key and a set of simple related statistical attributes. Attributes are used to calculate a per host metric called the UDP work weight...
Provided by Portland State University
-
White Papers
Data Visualization as a Tool for Improved Decision Making within Transit Agencies
November 25, 2008, 12:00am PST
Transit agency TriMet provides bus transit performance monitoring using data collected via automatic vehicle location and automatic passenger counter technologies. This is a regional transit...
Provided by Portland State University
-
White Papers
Challenges: Wide-Area Wireless Networks (WANETs)
June 27, 2008, 12:00am PDT
A WANET refers to a wireless network where the wireless nodes of the network can be placed in any part of the world. In the case of a WANET, the underlying design is such that the nodes feel like...
Provided by Portland State University
-
White Papers
Quarrying Dataspaces: Schemaless Profiling of Unfamiliar Information Sources
January 15, 2008, 12:00am PST
It is often assumed that traditional data integration and analysis approaches are familiar with the structure, semantics and capabilities of the available information sources prior to the...
Provided by Portland State University
-
White Papers
Introducing Technology Into the Linux Kernel: A Case Study
November 5, 2009, 12:00am PST
There can be no doubt that a great many technologies have been added to Linux TM over the past ten years. What is less well-known is that it is often necessary to introduce a large amount of Linux...
Provided by Portland State University
-
White Papers
Sustainable IT Services: Assessing The Impact Of Green Computing Practices
August 27, 2009, 12:00am PDT
Green computing refers to the practice of using computing resources more efficiently while maintaining or increasing overall performance. Sustainable IT services require the integration of green...
Provided by Portland State University
-
White Papers
Deterministic Authenticated-Encryption: A Provable-Security Treatment of the Key-Wrap Problem
August 20, 2007, 12:00am PDT
Standards bodies have been addressing the key-wrap problem, a cryptographic goal that has never received a provable-security treatment. In response, the authors provide one, giving definitions,...
Provided by Portland State University
-
White Papers
DHV: A Code Consistency Maintenance Protocol for Multi-Hop Wireless Sensor Networks
December 7, 2008, 12:00am PST
Ensuring that every sensor node has the same code version is challenging in dynamic, unreliable multi-hop sensor networks. When nodes have different code versions, the network may not behave as...
Provided by Portland State University
-
White Papers
Linking Project Management With Business Strategy
December 13, 2006, 12:00am PST
Recognition of the strategic importance of Project Management (PM) in the corporate world is rapidly accelerating. One reason for this acceleration may be strong belief by business leaders that...
Provided by Portland State University
-
White Papers
RHA: A Robust Hybrid Architecture for Information Processing in Wireless Sensor Networks
August 31, 2010, 12:00am PDT
The paradox of Wireless Sensor Networks (WSNs) is that the low-power, miniaturized sensors that can be deeply embedded in the physical world, are too resource-constrained to capture high frequency...
Provided by Portland State University
-
White Papers
Towards Trustworthy Participatory Sensing
July 20, 2009, 12:00am PDT
Grassroots Participatory Sensing empowers people to collect and share sensor data using mobile devices across many applications, spanning intelligent transportation, air quality monitoring and...
Provided by Portland State University
-
White Papers
Towards Energy Efficient Workload Placement in Data Centers
May 4, 2009, 12:00am PDT
A new era of computing is being defined by a shift to aggregate computing resources into large-scale Data Centers (DCs) that are shared by a global pool of users. In this paradigm, DCs'...
Provided by Portland State University
-
White Papers
Link Selection for Point-to-Point 60GHz Networks
February 5, 2010, 12:00am PST
60GHz is well-suited for device-to-device communication and for general in-home applications due to its huge available bandwidth. However, links at this frequency are easily degraded by...
Provided by Portland State University
-
White Papers
Architecture Considerations for 60 GHz Wireless Networks
September 4, 2009, 12:00am PDT
Providing high data rates to wireless users has long been a goal that has driven the development of new technologies and standards in the past decade. Now, with the opening up of the spectrum at...
Provided by Portland State University
-
White Papers
SDMA for 60GHz Gigabit Wireless Networks
September 25, 2008, 12:00am PDT
With the opening of the 60 GHz spectrum for WLANs, there has been a great deal of interest in academia and industry on how best to exploit the more than 5 GHz of available bandwidth. One goal in...
Provided by Portland State University
-
White Papers
Merging Traffic to Save Energy in the Enterprise
May 2, 2011, 12:00am PDT
In typical enterprise networks, a large fraction of ports see utilization of less than 5% at peak times and close to zero utilization otherwise. Therefore, the normal architecture of one switch...
Provided by Portland State University
-
White Papers
High Data Rate WLAN
February 17, 2008, 12:00am PST
This paper considers the problem of providing gbps/user data-rate in indoor environments. The technology that the authors study uses the 60GHz spectrum whose special propagation properties make it...
Provided by Portland State University
-
White Papers
Learning Complex Cell Invariance From Natural Videos: A Plausibility Proof
April 28, 2010, 12:00am PDT
Neuroscience has revealed many properties of neurons and of the functional organization of visual cortex that are believed to be essential to human vision, but are missing in standard artificial...
Provided by Portland State University
-
White Papers
SASHA: Toward a Self-Healing Hybrid Sensor Network Architecture
January 1, 2008, 12:00am PST
For widespread adoption of sensor technology, robustness in the event of abnormal behavior such as a network intrusion, or failures of components or nodes is critical. Current research on robust...
Provided by Portland State University
-
White Papers
New Functional Logic Design Patterns
May 4, 2011, 12:00am PDT
Patterns distill successful experience in solving common software problems. The authors introduce a handful of new software design patterns for functional logic languages. Some patterns are...
Provided by Portland State University
-
White Papers
Contracts and Specifications for Functional Logic Programming
May 28, 2011, 12:00am PDT
The expressive power of functional logic languages supports high-level specifications as well as efficient implementations of problems in the same language. If specifications are executable, they...
Provided by Portland State University
-
White Papers
A Transformation Tool for Functional Logic Program Development
September 8, 2010, 12:00am PDT
The authors present a tool to develop functional logic programs from their specifications. Specifications of functional logic languages, i.e., contracts in the form of pre- and post-conditions,...
Provided by Portland State University
-
White Papers
The Potential Impact of Green Technologies in Next-Generation Wireline Networks - Is There Room for Energy Saving Optimization?
August 10, 2010, 12:00am PDT
Recently, network operators around the world reported statistics of network energy requirements and the related carbon footprint, showing an alarming and growing trend. Such high energy...
Provided by Portland State University
-
White Papers
Patterns of Aspect-Oriented Design
January 18, 2008, 12:00am PST
Aspect-oriented programming languages are becoming commonplace, and programmers are accumulating experience in building and maintaining aspect-oriented systems. This paper addresses how the use of...
Provided by Portland State University
-
White Papers
Traffic Merging for Energy-Efficient Datacenter Networks
May 29, 2012, 12:00am PDT
Numerous studies have shown that datacenter networks typically see loads of between 5%-25% but the energy draw of these networks is equal to operating them at maximum load. In this paper, the...
Provided by Portland State University
-
White Papers
A MAC Protocol Based on Adaptive Beamforming for Ad Hoc Networks
January 1, 2009, 12:00am PST
This paper presents a novel slotted MAC (Medium Access Control) protocol for nodes equipped with adaptive antenna array in ad hoc network. The protocol relies on the ability of antenna to uses DOA...
Provided by Portland State University
-
White Papers
Traffic Merging for Energy-Efficient Datacenter Networks
May 29, 2012, 12:00am PDT
Numerous studies have shown that datacenter networks typically see loads of between 5%-25% but the energy draw of these networks is equal to operating them at maximum load. In this paper, the...
Provided by Portland State University
-
White Papers
Patterns of Aspect-Oriented Design
January 18, 2008, 12:00am PST
Aspect-oriented programming languages are becoming commonplace, and programmers are accumulating experience in building and maintaining aspect-oriented systems. This paper addresses how the use of...
Provided by Portland State University
-
White Papers
The Potential Impact of Green Technologies in Next-Generation Wireline Networks - Is There Room for Energy Saving Optimization?
August 10, 2010, 12:00am PDT
Recently, network operators around the world reported statistics of network energy requirements and the related carbon footprint, showing an alarming and growing trend. Such high energy...
Provided by Portland State University
-
White Papers
A Transformation Tool for Functional Logic Program Development
September 8, 2010, 12:00am PDT
The authors present a tool to develop functional logic programs from their specifications. Specifications of functional logic languages, i.e., contracts in the form of pre- and post-conditions,...
Provided by Portland State University
-
White Papers
Contracts and Specifications for Functional Logic Programming
May 28, 2011, 12:00am PDT
The expressive power of functional logic languages supports high-level specifications as well as efficient implementations of problems in the same language. If specifications are executable, they...
Provided by Portland State University
-
White Papers
New Functional Logic Design Patterns
May 4, 2011, 12:00am PDT
Patterns distill successful experience in solving common software problems. The authors introduce a handful of new software design patterns for functional logic languages. Some patterns are...
Provided by Portland State University
-
White Papers
Learning Complex Cell Invariance From Natural Videos: A Plausibility Proof
April 28, 2010, 12:00am PDT
Neuroscience has revealed many properties of neurons and of the functional organization of visual cortex that are believed to be essential to human vision, but are missing in standard artificial...
Provided by Portland State University
-
White Papers
High Data Rate WLAN
February 17, 2008, 12:00am PST
This paper considers the problem of providing gbps/user data-rate in indoor environments. The technology that the authors study uses the 60GHz spectrum whose special propagation properties make it...
Provided by Portland State University
-
White Papers
Merging Traffic to Save Energy in the Enterprise
May 2, 2011, 12:00am PDT
In typical enterprise networks, a large fraction of ports see utilization of less than 5% at peak times and close to zero utilization otherwise. Therefore, the normal architecture of one switch...
Provided by Portland State University
-
White Papers
SDMA for 60GHz Gigabit Wireless Networks
September 25, 2008, 12:00am PDT
With the opening of the 60 GHz spectrum for WLANs, there has been a great deal of interest in academia and industry on how best to exploit the more than 5 GHz of available bandwidth. One goal in...
Provided by Portland State University
-
White Papers
Architecture Considerations for 60 GHz Wireless Networks
September 4, 2009, 12:00am PDT
Providing high data rates to wireless users has long been a goal that has driven the development of new technologies and standards in the past decade. Now, with the opening up of the spectrum at...
Provided by Portland State University
-
White Papers
Link Selection for Point-to-Point 60GHz Networks
February 5, 2010, 12:00am PST
60GHz is well-suited for device-to-device communication and for general in-home applications due to its huge available bandwidth. However, links at this frequency are easily degraded by...
Provided by Portland State University
-
White Papers
Towards Energy Efficient Workload Placement in Data Centers
May 4, 2009, 12:00am PDT
A new era of computing is being defined by a shift to aggregate computing resources into large-scale Data Centers (DCs) that are shared by a global pool of users. In this paradigm, DCs'...
Provided by Portland State University
-
White Papers
Towards Trustworthy Participatory Sensing
July 20, 2009, 12:00am PDT
Grassroots Participatory Sensing empowers people to collect and share sensor data using mobile devices across many applications, spanning intelligent transportation, air quality monitoring and...
Provided by Portland State University
-
White Papers
RHA: A Robust Hybrid Architecture for Information Processing in Wireless Sensor Networks
August 31, 2010, 12:00am PDT
The paradox of Wireless Sensor Networks (WSNs) is that the low-power, miniaturized sensors that can be deeply embedded in the physical world, are too resource-constrained to capture high frequency...
Provided by Portland State University
-
White Papers
DHV: A Code Consistency Maintenance Protocol for Multi-Hop Wireless Sensor Networks
December 7, 2008, 12:00am PST
Ensuring that every sensor node has the same code version is challenging in dynamic, unreliable multi-hop sensor networks. When nodes have different code versions, the network may not behave as...
Provided by Portland State University
-
White Papers
Deterministic Authenticated-Encryption: A Provable-Security Treatment of the Key-Wrap Problem
August 20, 2007, 12:00am PDT
Standards bodies have been addressing the key-wrap problem, a cryptographic goal that has never received a provable-security treatment. In response, the authors provide one, giving definitions,...
Provided by Portland State University
-
White Papers
Sustainable IT Services: Assessing The Impact Of Green Computing Practices
August 27, 2009, 12:00am PDT
Green computing refers to the practice of using computing resources more efficiently while maintaining or increasing overall performance. Sustainable IT services require the integration of green...
Provided by Portland State University
-
White Papers
Introducing Technology Into the Linux Kernel: A Case Study
November 5, 2009, 12:00am PST
There can be no doubt that a great many technologies have been added to Linux TM over the past ten years. What is less well-known is that it is often necessary to introduce a large amount of Linux...
Provided by Portland State University
-
White Papers
Quarrying Dataspaces: Schemaless Profiling of Unfamiliar Information Sources
January 15, 2008, 12:00am PST
It is often assumed that traditional data integration and analysis approaches are familiar with the structure, semantics and capabilities of the available information sources prior to the...
Provided by Portland State University
-
White Papers
Challenges: Wide-Area Wireless Networks (WANETs)
June 27, 2008, 12:00am PDT
A WANET refers to a wireless network where the wireless nodes of the network can be placed in any part of the world. In the case of a WANET, the underlying design is such that the nodes feel like...
Provided by Portland State University
-
White Papers
Data Visualization as a Tool for Improved Decision Making within Transit Agencies
November 25, 2008, 12:00am PST
Transit agency TriMet provides bus transit performance monitoring using data collected via automatic vehicle location and automatic passenger counter technologies. This is a regional transit...
Provided by Portland State University
-
White Papers
Traffic Analysis of UDP-Based Flows in Ourmon Portland State University - Computer Science Technical Report - 0807
December 31, 2008, 12:00am PST
This paper presents a custom UDP flow tuple with an IP address key and a set of simple related statistical attributes. Attributes are used to calculate a per host metric called the UDP work weight...
Provided by Portland State University
-
White Papers
A MAC Protocol Based on Adaptive Beamforming for Ad Hoc Networks
January 1, 2009, 12:00am PST
This paper presents a novel slotted MAC (Medium Access Control) protocol for nodes equipped with adaptive antenna array in ad hoc network. The protocol relies on the ability of antenna to uses DOA...
Provided by Portland State University
-
White Papers
SASHA: Toward a Self-Healing Hybrid Sensor Network Architecture
January 1, 2008, 12:00am PST
For widespread adoption of sensor technology, robustness in the event of abnormal behavior such as a network intrusion, or failures of components or nodes is critical. Current research on robust...
Provided by Portland State University
-
White Papers
Linking Project Management With Business Strategy
December 13, 2006, 12:00am PST
Recognition of the strategic importance of Project Management (PM) in the corporate world is rapidly accelerating. One reason for this acceleration may be strong belief by business leaders that...
Provided by Portland State University
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