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University of Illinois at Chicago
(508 results)-
White Papers
Privacy and Ethical Issues in Location-Based Tracking Systems
March 1, 2009, 12:00am PST
Location-based Tracking Systems (LTSs) use a variety of technologies to record the locations of objects. An LTS can increase the risks to the privacy and security of individuals. Previous studies...
Provided by University of Illinois at Urbana Champaign
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White Papers
A Lightweight Hypervisor for Malware Analysis
May 6, 2008, 12:00am PDT
Malicious software is rampant on the Internet and is costing billions of dollars each year. Safe and thorough analysis of malware is key to protecting systems and cleaning those that have already...
Provided by University of Illinois
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White Papers
Data Mining Using High Performance Data Clouds: Experimental Studies Using Sector and Sphere
March 6, 2008, 12:00am PST
The paper describes the design and implementation of a high performance cloud that one has used to archive, analyze and mine large distributed data sets. By a cloud, one means an infrastructure...
Provided by University of Illinois
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White Papers
On Availability of Intermediate Data in Cloud Computations
April 21, 2009, 12:00am PDT
This paper takes a renewed look at the problem of managing intermediate data that is generated during dataflow computations (e.g., MapReduce, Pig, Dryad, etc.) within clouds. It discusses salient...
Provided by University of Illinois
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White Papers
Distributed RFID Tag Storage Infrastructures
May 11, 2009, 12:00am PDT
This paper leverages increasing passive RFID tag memory to propose distributed RFID tag storage infrastructures (D-RFID stores). A D-RFID store is a large set of tags with significantly sized...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Mobile Wireless Access Via MIMO Relays
February 11, 2009, 12:00am PST
While a network with stationary nodes can provide large capacity in many current wireless systems, a network with mobile users suffers from severe performance degradation. This happens due to...
Provided by University of Illinois at Urbana-Champaign
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White Papers
On the Mobile Wireless Access Via MIMO Relays
July 21, 2009, 12:00am PDT
While a network with stationary nodes can provide large capacity in many current wireless systems, a network with mobile users suffers from severe performance degradation. This happens due to...
Provided by University of Illinois at Urbana-Champaign
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White Papers
HybridCast: A Hybrid Probabilistic/Deterministic Approach for Adjustable Broadcast Reliability in Mobile Wireless Ad Hoc Networks
June 1, 2009, 12:00am PDT
Broadcast is a crucial yet expensive building block for many applications in bandwidth-scarce mobile wireless ad hoc networks. The paper proposes a hybrid deterministic/probabilistic,...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Tele-Immersion for Wireless Networks
May 29, 2009, 12:00am PDT
Tele-immersive 3D multi camera environments are beginning to emerge and they bring with them lots of applications as well as challenging research problems. They enable cooperative interaction...
Provided by University of Illinois
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White Papers
RRE: A Game-Theoretic Intrusion Response and Recovery Engine
April 4, 2009, 12:00am PDT
Preserving the availability and integrity of networked computing systems in the face of fast-spreading intrusions requires advances not only in detection algorithms, but also in automated response...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Quantifying the Effectiveness of Mobile Phone Virus Response Mechanisms
January 12, 2008, 12:00am PST
Viruses that infect smartphones are emerging as a new front in the fight against computer viruses. This paper model the propagation of mobile phone viruses in order to study their impact on the...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Parallel Objects: Virtualization and In-Process Components
January 1, 2010, 12:00am PST
Developing complex parallel applications that run efficiently on large parallel machines is dif-cult because the programmer has to handle many interrelated issues. Two issues that are of interest...
Provided by University of Illinois
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White Papers
A New Framework for On-Demand Virtualization, Repurposing and Fusion of Heterogeneous Sensors
March 10, 2009, 12:00am PDT
This paper describes the first step towards the realization of complex and large scale cross-organization virtual observatories by presenting a new semantically-enhanced "Sensor Network as a...
Provided by University of Illinois
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White Papers
Run-Time Visualization of Program Data
November 7, 2007, 12:00am PST
An important improvement to visualization systems will provide a graphics "Window into an application" displaying program data at run-time through an easy-to-use graphical interface. With little...
Provided by University of Illinois
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White Papers
Are Disks the Dominant Contributor for Storage Failures?
April 25, 2008, 12:00am PDT
Building reliable storage systems becomes increasingly challenging as the complexity of modern storage systems continues to grow. Understanding storage failure characteristics is crucially...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
Service Differentiation Through End-to-End Rate Control in Low Bandwidth Wireless Packet Networks
November 4, 2007, 12:00am PDT
With the increased commercial deployment of wireless networks, the issue of service differentiation among flows in a wireless/wireline network is becoming important. While many wireline solutions...
Provided by University of Illinois
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Whitepapers
Service Composition for Advanced Multimedia Applications
January 1, 2012, 12:00am PST
By composing distributed, autonomous services dynamically to provide new functionalities, service composition provides an attractive way for customized multimedia content production and delivery....
Provided by University of Illinois
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White Papers
Location-Aware Computing
November 15, 2008, 12:00am PST
Location-aware computing refers to systems that can sense the current location of a user or device and change behavior based on this location. Location-aware computing allows institutions to offer...
Provided by University of Illinois
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Whitepapers
A Cross Layer Framework to Mitigate a Joint MAC and Routing Attack in Multihop Wireless Networks
September 6, 2010, 12:00am PDT
It is well-known that security threats, in wireless ad hoc networks, are becoming a serious problem which may lead to harmful consequences on network performance. Despite that, many routing...
Provided by University of Illinois
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White Papers
Efficient Metadata Management for Cloud Computing Applications
January 19, 2010, 12:00am PST
Cloud computing applications require scalable, elastic and fault tolerant storage system. In this paper, the authors describe how metadata management can be improved for a file system built for...
Provided by University of Illinois
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White Papers
Interference-Aware Loop-Free Routing For Mesh Networks
January 1, 2010, 12:00am PST
In recent years, there has been an explosive growth in the development of mesh networks to provide cheap yet high band width Internet access to areas that does not have coverage of high-bandwidth...
Provided by University of Illinois
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White Papers
Designing Routing Metrics for Mesh Networks
January 1, 2010, 12:00am PST
Designing routing metrics is critical for performance in wireless mesh networks. The unique characteristics of mesh networks, such as static nodes and the shared nature of the wireless medium,...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Withindows: A Framework for Transitional Desktop and Immersive User Interfaces
January 10, 2008, 12:00am PST
The uniqueness of 3D interaction is often used to justify levels of user fatigue that are significantly higher than those of desktop systems. Object manipulation and symbolic manipulation...
Provided by University of Illinois
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Whitepapers
Algorithmic Approaches to Low Overhead Fault Detection for Sparse Linear Algebra
April 19, 2012, 12:00am PDT
The increasing size and complexity of High-Performance Computing systems is making it increasingly likely that individual circuits will produce erroneous results, especially when operated in a low...
Provided by University of Illinois
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White Papers
Secure Unified Cellular Ad Hoc Network Routing
September 9, 2009, 12:00am PDT
Previous simulations have shown substantial performance gains can be achieved by using hybrid cellular and Wireless LAN (WLAN) approaches. In a hybrid system, a proxy in an area of strong...
Provided by University of Illinois
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White Papers
An Architecture for Regulatory Compliant Database Management
January 1, 2010, 12:00am PST
Spurred by financial scandals and privacy concerns, governments worldwide have moved to ensure confidence in digital records by regulating their retention and deletion. These requirements have led...
Provided by University of Illinois
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White Papers
Log Correlation for Intrusion Detection: A Proof of Concept
January 1, 2010, 12:00am PST
Intrusion detection is an important part of networked systems security protection. Although commercial products exist, finding intrusions has proven to be a difficult task with limitations under...
Provided by University of Illinois
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Whitepapers
Two-Way Networks: When Adaptation Is Useless
June 27, 2012, 12:00am PDT
Most wireless communication networks are two-way, where nodes act as both sources and destinations of messages. This allows for "Adaptation" at or "Interaction" between the nodes - a node's...
Provided by University of Illinois
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Whitepapers
On the Capacity of Multi-User Two-Way Linear Deterministic Channels
May 13, 2012, 12:00am PDT
In multi-user two-way channels nodes are both sources and destinations of messages. This allows for "Adaptation" at or "Interaction" between the nodes - the next channel inputs may be a function...
Provided by University of Illinois
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Whitepapers
The Sum-Capacity of the Linear Deterministic Three-User Cognitive Interference Channel
May 8, 2012, 12:00am PDT
Inspired by cognitive networks, the authors consider the linear deterministic three-user cognitive interference channel with one primary and two secondary/cognitive transmitters which approximates...
Provided by University of Illinois
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Whitepapers
Waveform Scheduling Via Directed Information in Cognitive Radar
May 8, 2012, 12:00am PDT
The objective of waveform scheduling is to achieve maximal information extraction of the radar scene, which typically changes from one measurement to the next, by exploiting prior statistics and...
Provided by University of Illinois
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White Papers
The Design of VoIP Systems With High Perceptual Conversational Quality
December 3, 2008, 12:00am PST
This paper describes the work on real-time two-party and multi-party VoIP (voice-over-IP) systems that can achieve high perceptual conversational quality. It focuses on the fundamental...
Provided by University of Illinois
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White Papers
Structured Databases on the Web: Observations and Implications
January 1, 2010, 12:00am PST
The Web has been rapidly "Deepened" by the prevalence of databases online. With the potentially unlimited information hidden behind their query interfaces, this "Deep Web" of searchable databases...
Provided by University of Illinois at Urbana Champaign
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White Papers
Power Aware Storage Cache Management
January 1, 2010, 12:00am PST
Reducing energy consumption is an important issue for data centers. Among the various components of a data center, storage is one of the biggest energy consumers. Previous studies have shown that...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Requirements of Secure Storage Systems for Healthcare Records
July 9, 2007, 12:00am PDT
Recent compliance regulations are intended to foster and restore human trust in digital information records and, more broadly, in the businesses, hospitals, and educational enterprises. In the...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Proteus: A Topology Malleable Data Center Network
September 26, 2010, 12:00am PDT
Full-bandwidth connectivity between all servers of a data center may be necessary for all-to-all traffic patterns, but such interconnects suffer from high cost, complexity, and energy consumption....
Provided by University of Illinois
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White Papers
An Overview of the Open Science Data Cloud
April 25, 2010, 12:00am PDT
The Open Science Data Cloud is a distributed cloud based infrastructure for managing, analyzing, archiving and sharing scientific datasets. This paper introduces the Open Science Data Cloud, give...
Provided by University of Illinois at Chicago
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White Papers
DebianRunner: Running Desktop Applications on Android Smartphones
October 27, 2010, 12:00am PDT
The Android operating system runs atop the Linux kernel, yet lacks the ability to natively execute standard Linux desktop applications. Though efforts have been made to enable this functionality,...
Provided by University of Illinois at Urbana-Champaign
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White Papers
SWIFT: Scheduling in Web Servers for Fast Response Time
January 1, 2010, 12:00am PST
This paper addresses the problem of how to service web requests quickly in order to minimize the client response time. Some of the recent work uses the idea of the Shortest Remaining Processing...
Provided by University of Illinois at Chicago
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White Papers
Cost-Aware Caching Algorithms for Distributed Storage Servers
July 18, 2007, 12:00am PDT
This paper studies replacement algorithms for non-uniform access caches that are used in distributed storage systems. Considering access latencies as major costs of data management in such a...
Provided by University of Illinois
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Whitepapers
Systems Support for Radiational Plume Detection, Identication, and Tracking Sensor-Cyber Networks
January 1, 2013, 12:00am PST
Oak Ridge National Lab (ORNL), University of Illinois at Urbana Champaign (UIUC), and Purdue University are collaborative partners in a sensor-cyber network project supported under the national...
Provided by University of Illinois at Chicago
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Whitepapers
RAINBOW: A Robust and Invisible Non-Blind Watermark for Network Flows
December 25, 2008, 12:00am PST
Linking network flows is an important problem in intrusion detection as well as anonymity. Passive traffic analysis can link flows but requires long periods of observation to reduce errors....
Provided by University of Illinois at Urbana Champaign
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Whitepapers
WAVES: Automatic Synthesis of Client-Side Validation Code for Web Applications
December 11, 2012, 12:00am PST
The current practice of web application development treats the client and server components of the application as two separate but interacting pieces of software. Each component is written...
Provided by University of Illinois
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Whitepapers
SipHash: A Fast Short-Input PRF
September 18, 2012, 12:00am PDT
SipHash is a family of pseudorandom functions optimized for short inputs. Target applications include network traffic authentication and hash-table lookups protected against hash-flooding...
Provided by University of Illinois
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Whitepapers
Never Trust a Bunny
June 21, 2012, 12:00am PDT
Lapin is a lightweight "RFID authentication" system introduced at FSE 2012. The system is claimed to be "Provably Secure Against Active Attacks". This claim is qualified elsewhere in: attacking...
Provided by University of Illinois
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Whitepapers
Computing Small Discrete Logarithms Faster
September 18, 2012, 12:00am PDT
Computations of small discrete logarithms are feasible even in "Secure" groups, and are used as subroutines in several cryptographic protocols in the literature. For example, the Boneh-Goh-Nissim...
Provided by University of Illinois
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Whitepapers
Faster Batch Forgery Identification
September 19, 2012, 12:00am PDT
The authors' goal in this paper is to minimize the cost of elliptic-curve signature verification. Batch signature verification detects whether a batch of signatures contains any forgeries. Batch...
Provided by University of Illinois
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Whitepapers
Securing Anonymous Communication Channels Under the Selective DoS Attack
December 18, 2012, 12:00am PST
Anonymous communication systems are subject to selective Denial-of-Service (DoS) attacks. Selective DoS attacks lower anonymity as they force paths to be rebuilt multiple times to ensure delivery...
Provided by University of Illinois at Chicago
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Whitepapers
LowRank Mechanism: Optimizing Batch Queries Under Differential Privacy
December 11, 2012, 12:00am PST
Differential privacy is a promising privacy-preserving paradigm for statistical query processing over sensitive data. It works by injecting random noise into each query result, such that it is...
Provided by University of Illinois at Chicago
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Whitepapers
Optimal Cooperative Spectrum Sensing in Cognitive Radio with Taguchi Method
August 2, 2012, 12:00am PDT
Spectrum sensing is an essential topic in cognitive radio networks to detect primary users. Cooperative spectrum sensing with linear fusion scheme is studied in multiband channel systems. The...
Provided by University of Illinois
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Whitepapers
Low Rank Mechanism for Optimizing Batch Queries Under Differential Privacy
December 11, 2012, 12:00am PST
Differential privacy is a promising privacy-preserving paradigm for statistical query processing over sensitive data. It works by injecting random noise into each query result, such that it is...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
A General Framework for Distributed Vote Aggregation
December 11, 2012, 12:00am PST
The authors present a general model for opinion dynamics in a social network together with several possibilities for object selections at times when the agents are communicating. They explain the...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
Fixed and Market Pricing for Cloud Services
January 26, 2012, 12:00am PST
This paper considers two simple pricing schemes for selling cloud instances and studies the trade-off between them. The authors characterize the equilibrium for the hybrid system where arriving...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
Heavy Traffic Optimal Resource Allocation Algorithms for Cloud Computing Clusters
June 6, 2012, 12:00am PDT
Cloud computing is emerging as an important platform for business, personal and mobile computing applications. In this paper, the authors explain a stochastic model of cloud computing, where jobs...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
Assisted Common Information with Applications to Secure Two-Party Computation
February 9, 2010, 12:00am PST
Secure multi-party computation is a central problem in modern cryptography. An important sub-class of this are problems of the following form: Alice and Bob desire to produce sample(s) of a pair...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
Security Games with Decision and Observation Errors
March 14, 2010, 12:00am PST
The authors explain two-player security games which can be viewed as sequences of nonzero-sum matrix games played by an Attacker and a Defender. The evolution of the game is based on a stochastic...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
Fictitious Play with Time-Invariant Frequency Update for Network Security
June 17, 2010, 12:00am PDT
The authors explain two-player security games which can be viewed as sequences of nonzero-sum matrix games played by an Attacker and a Defender. The evolution of the game is based on a stochastic...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
Securing Tor Tunnels Under the Selective-DoS Attack
May 5, 2011, 12:00am PDT
Low-latency anonymity networks like Tor are subject to selective Denial-of-Service (DoS) attack. Selective-DoS attack lowers anonymity as it forces paths to be rebuilt multiple times to ensure...
Provided by University of Illinois at Chicago
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Whitepapers
S3A: Secure System Simplex Architecture for Enhanced Security of Cyber-Physical Systems
February 26, 2012, 12:00am PST
Until recently, cyber-physical systems, especially those with safety-critical properties that manage critical infrastructure (e.g. power generation plants, water treatment facilities, etc.) were...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
Octopus: A Secure and Anonymous DHT Lookup
March 13, 2012, 12:00am PDT
Distributed Hash Table (DHT) lookup is a core technique in structured Peer-to-Peer (P2P) networks. Its decentralized nature introduces security and privacy vulnerabilities for applications built...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
Risk-Sensitive Mean Field Games
October 10, 2012, 12:00am PDT
In this paper, the authors study a class of risk-sensitive mean-field stochastic differential games. They show that under appropriate regularity conditions, the mean-field value of the stochastic...
Provided by University of Illinois at Urbana Champaign
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Whitepapers
An Ensemble-Based Approach to Fast Classification of Multi-Label Data Streams
September 27, 2011, 12:00am PDT
Network operators are continuously confronted with online events, such as online messages, blog updates, etc. Due to the huge volume of these events and the fast changes of the topics, it is...
Provided by University of Illinois
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Whitepapers
Waveform Scheduling Via Directed Information in Cognitive Radar
May 8, 2012, 12:00am PDT
The objective of waveform scheduling is to achieve maximal information extraction of the radar scene, which typically changes from one measurement to the next, by exploiting prior statistics and...
Provided by University of Illinois
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Whitepapers
The Sum-Capacity of the Linear Deterministic Three-User Cognitive Interference Channel
May 8, 2012, 12:00am PDT
Inspired by cognitive networks, the authors consider the linear deterministic three-user cognitive interference channel with one primary and two secondary/cognitive transmitters which approximates...
Provided by University of Illinois
-
Whitepapers
On the Capacity of Multi-User Two-Way Linear Deterministic Channels
May 13, 2012, 12:00am PDT
In multi-user two-way channels nodes are both sources and destinations of messages. This allows for "Adaptation" at or "Interaction" between the nodes - the next channel inputs may be a function...
Provided by University of Illinois
-
Whitepapers
Two-Way Networks: When Adaptation Is Useless
June 27, 2012, 12:00am PDT
Most wireless communication networks are two-way, where nodes act as both sources and destinations of messages. This allows for "Adaptation" at or "Interaction" between the nodes - a node's...
Provided by University of Illinois
-
Whitepapers
Algorithmic Approaches to Low Overhead Fault Detection for Sparse Linear Algebra
April 19, 2012, 12:00am PDT
The increasing size and complexity of High-Performance Computing systems is making it increasingly likely that individual circuits will produce erroneous results, especially when operated in a low...
Provided by University of Illinois
-
Whitepapers
A Cross Layer Framework to Mitigate a Joint MAC and Routing Attack in Multihop Wireless Networks
September 6, 2010, 12:00am PDT
It is well-known that security threats, in wireless ad hoc networks, are becoming a serious problem which may lead to harmful consequences on network performance. Despite that, many routing...
Provided by University of Illinois
-
Whitepapers
Service Composition for Advanced Multimedia Applications
January 1, 2012, 12:00am PST
By composing distributed, autonomous services dynamically to provide new functionalities, service composition provides an attractive way for customized multimedia content production and delivery....
Provided by University of Illinois
-
Whitepapers
Service Differentiation Through End-to-End Rate Control in Low Bandwidth Wireless Packet Networks
November 4, 2007, 12:00am PDT
With the increased commercial deployment of wireless networks, the issue of service differentiation among flows in a wireless/wireline network is becoming important. While many wireline solutions...
Provided by University of Illinois
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Whitepapers
All-Optical Switching Data Center Network Supporting 100Gbps Upgrade and Mixed-Line-Rate Interoperability
June 9, 2011, 12:00am PDT
Over an 8-rack, 32-server WDM-based all-optical switching data center network, the authors show the network upgrade using single-wavelength or multi-wavelength 100 Gbps signals, and further show...
Provided by University of Illinois
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Whitepapers
OSA: An Optical Switching Architecture for Data Center Networks With Unprecedented Flexibility
March 1, 2012, 12:00am PST
Data Center Networks (DCNs) form the backbone infrastructure of many large-scale enterprise applications as well as emerging cloud computing providers. This paper describes the design,...
Provided by University of Illinois
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Whitepapers
Scoped Synchronization Constraints for Large Scale Actor Systems
April 17, 2012, 12:00am PDT
Very large scale systems of autonomous concurrent objects (Actors) require coordination models to meet two competing goals. On the one hand, the coordination models must allow Actors to...
Provided by University of Illinois
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Whitepapers
An Architecture for Dynamic Service-Oriented Computing in Networked Embedded Systems
April 20, 2012, 12:00am PDT
Software development in real-time and embedded systems has traditionally focused on stand-alone applications with static models for scheduling and resource allocation. The authors' goal is to...
Provided by University of Illinois
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Whitepapers
MPI at Exascale
August 18, 2010, 12:00am PDT
With petascale systems already available, researchers are devoting their attention to the issues needed to reach the next major level in performance, namely, exascale. Explicit message passing...
Provided by University of Illinois
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Whitepapers
A Simple, Pipelined Algorithm for Large, Irregular All-Gather Problems
June 22, 2008, 12:00am PDT
The authors present and evaluate a new, simple, pipelined algorithm for large, irregular all-gather problems, useful for the implementation of the MPI Allgatherv collective operation of MPI. The...
Provided by University of Illinois
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Whitepapers
Non-Data-Communication Overheads in MPI: Analysis on Blue Gene/P
June 18, 2008, 12:00am PDT
Modern HEC systems, such as Blue Gene/P, rely on achieving high-performance by using the parallelism of a massive number of low-frequency/low-power processing cores. This means that the local pre-...
Provided by University of Illinois
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Whitepapers
Toward Efficient Support for Multithreaded MPI Communication
June 18, 2008, 12:00am PDT
To make the most effective use of parallel machines that are being built out of increasingly large multicore chips, researchers are exploring the use of programming models comprising a mixture of...
Provided by University of Illinois
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Whitepapers
MPI on a Million Processors
August 1, 2009, 12:00am PDT
Petascale machines with close to a million processors will soon be available. Although MPI is the dominant programming model today, some researchers and users wonder (and perhaps even doubt)...
Provided by University of Illinois
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Whitepapers
Enabling Concurrent Multithreaded MPI Communication on Multicore Petascale Systems
June 23, 2010, 12:00am PDT
With the ever-increasing numbers of cores per node on HPC systems, applications are increasingly using threads to exploit the shared memory within a node, combined with MPI across nodes. Achieving...
Provided by University of Illinois
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