- Subscribe to this page:
- RSS
- Email Alert
University of Toronto
(339 results)-
White Papers
Denial of Service Attacks in Networks With Tiny Buffers
April 8, 2009, 12:00am PDT
Recently, several papers have studied the possibility of shrinking buffer sizes in Internet core routers to just a few dozen packets under certain constraints. If proven right, these results can...
Provided by University of Toronto
-
White Papers
Adding the Easy Button to the Cloud With SnowFlock and MPI
February 20, 2009, 12:00am PST
Cloud computing promises to provide researchers with the ability to perform parallel computations using large pools of Virtual Machines (VMs), without facing the burden of owning or maintaining...
Provided by University of Toronto
-
White Papers
Computer Meteorology: Monitoring Compute Clouds
May 16, 2009, 12:00am PDT
Cloud computing environments allow customers to execute arbitrary code on hardware owned by a cloud provider. While cloud providers use virtualization to ensure isolation between customers, they...
Provided by University of Toronto
-
White Papers
Passive Loss Inference in Wireless Sensor Networks Based on Network Coding
January 27, 2009, 12:00am PST
The highly stochastic nature of wireless environments makes it desirable to monitor link loss rates in wireless sensor networks. This paper studies the loss inference problem in sensor networks...
Provided by University of Toronto
-
White Papers
Image Authentication Using Added Signal-Dependent Noise
November 15, 2007, 12:00am PST
Image authentication has applications in security systems, photo forensics, and photo journalism. This paper presents an image authentication scheme using added signal-dependent noise....
Provided by University of Toronto
-
White Papers
Biometric Methods for Secure Communications in Body Sensor Networks: Resource-Efficient Key Management and Signal-Level Data Scrambling
December 21, 2007, 12:00am PST
As electronic communications become more prevalent, mobile and universal, the threats of data compromises also accordingly loom larger. In the context of a Body Sensor Network (BSN), which permits...
Provided by University of Toronto
-
White Papers
Blackboards, PowerPoint, and Tablet PCs in the Classroom
May 26, 2009, 12:00am PDT
Research into eye movements of subjects who are reading provides a window into the reader's cognitive processes. This paper uses some conclusions of that research to guide a discussion of the...
Provided by University of Toronto
-
White Papers
Haste: Practical Online Network Coding in a Multicast Switch
December 21, 2009, 12:00am PST
The use of network coding has been shown to improve throughput in input-queued multicast switches, but not without costs of computational complexity and delays. This paper investigates the design...
Provided by University of Toronto
-
White Papers
Learning Mixture Models With the Latent Maximum Entropy Principle
January 1, 2010, 12:00am PST
The paper presents a new approach to estimating mixture models based on a new inference principle the author has proposed: the Latent Maximum Entropy principle (LME). LME is different both from...
Provided by University of Toronto
-
White Papers
Location Management in Mobile Networks: Comparison and Analysis
December 15, 2005, 12:00am PST
This paper presents the comparison of four main location management methods in mobile networks by actualizing these management methods and comparing the results in the most important paradigms for...
Provided by University of Toronto
-
White Papers
Multi-channel Live P2P Streaming: Refocusing on Servers
January 14, 2008, 12:00am PST
Peer-to-peer (P2P) has recently gained lot of popularity and success in the commercial sector because of which hundreds of media channels are now able to broadcast to millions of users at any...
Provided by University of Toronto
-
White Papers
SnowFlock: Rapid Virtual Machine Cloning for Cloud Computing
September 2, 2010, 12:00am PDT
Virtual Machine (VM) fork is a new cloud computing abstraction that instantaneously clones a VM into multiple replicas running on different hosts. This paper focuses on the primitive of VM fork...
Provided by University of Toronto
-
White Papers
Visualizing Data using t-SNE
November 1, 2008, 12:00am PDT
This paper presents a new technique called "t-SNE" that visualizes high-dimensional data by giving each datapoint a location in a two or three-dimensional map. The technique is a variation of...
Provided by University of Toronto
-
White Papers
Repatriation Taxes And Foreign Direct Investment: Evidence From Tax Treaties
June 20, 2010, 12:00am PDT
This paper examines the effects on foreign direct investment of worldwide versus territorial tax systems. Canada operates a hybrid system of international taxation, under which dividends...
Provided by University of Toronto
-
White Papers
BPM in Cloud Architectures: Business Process Management With SLAs and Events
July 22, 2010, 12:00am PDT
Applications are becoming increasingly distributed and loosely coupled in terms of their development processes, software architectures, deployment platforms, and other aspects. For example, in Web...
Provided by University of Toronto
-
White Papers
Dynamic Resource Allocation for Database Servers Running on Virtual Storage
January 27, 2009, 12:00am PST
This paper introduces a novel multi-resource allocator to dynamically allocate resources for database servers running on virtual storage. Multi-resource allocation involves proportioning the...
Provided by University of Toronto
-
White Papers
Adaptive Content-Based Routing in General Overlay Topologies
August 18, 2008, 12:00am PDT
This paper develops content-based publish/subscribe algorithms to support general overlay topologies, as opposed to traditional acyclic or tree-based topologies. Among other benefits, message...
Provided by University of Toronto
-
White Papers
QoS-Aware Adaptive Services in Mobile Ad-Hoc Networks
January 1, 2010, 12:00am PST
Ad-hoc wireless networks consist of mobile nodes interconnected by multi-hop wireless paths. Unlike conventional wireless networks, ad-hoc networks have no fixed network infrastructure or...
Provided by University of Toronto
-
White Papers
DrProject: A Software Project Management Portal to Meet Educational Needs
November 22, 2006, 12:00am PST
DrProject is a web-based software project management portal that integrates revision control, issue tracking, mailing lists, a wiki, and other features. Unlike other such systems, DrProject is...
Provided by University of Toronto
-
White Papers
Modeling and Performance Analysis of Beyond 3G Integrated Wireless Networks
June 21, 2006, 12:00am PDT
Next-generation wireless networking is evolving towards a multi-service heterogeneous paradigm that converges different pervasive access technologies and provides a large set of novel revenue...
Provided by University of Toronto
-
White Papers
Constructing Complex Semantic Mappings Between XML Data and Ontologies
January 1, 2010, 12:00am PST
Much data is published on the Web in XML format satisfying schemas, and to make the Semantic Web a reality, such data needs to be interpreted with respect to ontologies. Interpretation is achieved...
Provided by University of Toronto
-
White Papers
Content-Based Routing in Mobile Ad Hoc Networks
January 1, 2010, 12:00am PST
The publish/subscribe model of communication provides sender/receiver decoupling and selective information dissemination that is appropriate for mobile environments characterized by scarce...
Provided by University of Toronto
-
White Papers
Distributed Cross-Layer Optimization of Wireless Sensor Networks: A Game Theoretic Approach
January 1, 2010, 12:00am PST
This paper proposes a distributed optimization framework for wireless multihop sensor networks base on a game theoretic approach. The authors show that the cross-layer optimization problem can be...
Provided by University of Toronto
-
White Papers
Custom Code Generation for Soft Processors
November 9, 2006, 12:00am PST
Embedded systems designers that use FPGAs are increasingly including soft processors in their designs configurable processors built in the programmable logic of the FPGA. While there has been a...
Provided by University of Toronto
-
White Papers
Wireless Communication Systems
January 1, 2010, 12:00am PST
Wireless communications networks to provide telephone service to mobile users have been rapidly developed in the past 15 years. Beginning with the first generation analog systems which provide...
Provided by University of Toronto
-
White Papers
Network Coding in Live Peer-to-Peer Streaming
April 15, 2007, 12:00am PDT
In recent literature, network coding has emerged as a promising information theoretic approach to improve the performance of both peer-to-peer and wireless networks. It has been widely accepted...
Provided by University of Toronto
-
White Papers
CodeOR: Opportunistic Routing in Wireless Mesh Networks With Segmented Network Coding
September 5, 2008, 12:00am PDT
Opportunistic routing significantly increases unicast throughput in wireless mesh networks by effectively utilizing the wireless broadcast medium. With network coding, opportunistic routing can be...
Provided by University of Toronto
-
White Papers
Towards Autonomic Workflow Management Systems
September 1, 2006, 12:00am PDT
In a world of dynamic and discontinuous change, systems constantly need to adapt to new conditions so that they can survive and flourish in their environment. Autonomic computing emerged as a...
Provided by University of Toronto
-
White Papers
Teaching Old Caches New Tricks: RegionTracker and Predictor Virtualization
July 5, 2009, 12:00am PDT
On-chip last-level caches are increasing to tens of megabytes to accommodate applications with large memory footprints and to compensate for high memory latencies and limited off-chip bandwidth....
Provided by University of Toronto
-
White Papers
The Role Of The Property Tax In Financing Rural Local Governments In Developing Countries
December 1, 2006, 12:00am PST
The author argues in this paper that better rural local governments are needed to improve the lives of billions and that a good property tax is the key to improving rural local governments....
Provided by University of Toronto
-
White Papers
Tamper Resistant Network Tracing
October 25, 2007, 12:00am PDT
Raw network traces can be used to compromise the privacy of Internet users. For this reason, many ISPs are reluctant to collect network traces - they often regard possession of such traces as a...
Provided by University of Toronto
-
White Papers
Dude, Where's That IP? Circumventing Measurement-Based IP Geolocation
May 31, 2010, 12:00am PDT
Many applications of IP geolocation can benefit from geolocation that is robust to adversarial clients. These include applications that limit access to online content to a specific geographic...
Provided by University of Toronto
-
White Papers
The Proximate, Underlying And Ultimate Causes Accounting For The Increasing Costs Of Weather Related Disasters: A Diagnosis And Prescription
October 16, 2006, 12:00am PDT
This paper is that the causes can be divided into three types or levels. These can be termed the immediate or proximate causes; the underlying causes; and the ultimate causes. Climate change...
Provided by University of Toronto
-
White Papers
SLA-Driven Business Process Management in SOA
October 1, 2007, 12:00am PDT
In a Service-Oriented Architecture (SOA), distributed applications are built by orchestrating reusable services using high-level workflows or business processes. The complexity of developing and...
Provided by University of Toronto
-
White Papers
Monitoring and Recovery of Web Service Applications
November 10, 2010, 12:00am PST
For a system of distributed processes, correctness can be ensured by (Statically) checking whether their composition satisfies properties of interest. However, web services are distributed...
Provided by University of Toronto
-
White Papers
Optimizing Computation of Recovery Plans for BPEL Applications
August 25, 2010, 12:00am PDT
A BPEL application is an orchestration of (Possibly third-party) web services. These services, which can be written in a variety of languages, communicate through published interfaces. Third-party...
Provided by University of Toronto
-
White Papers
PTYASM: Software Model Checking With Proof Templates
July 28, 2008, 12:00am PDT
This paper describes PTYASM, an enhanced version of the YASM software model checker which uses proof templates. These templates associate correctness arguments with common programming idioms, thus...
Provided by University of Toronto
-
White Papers
Property Patterns for Runtime Monitoring of Web Service Conversations
January 15, 2008, 12:00am PST
For a system of distributed processes, correctness can be ensured by statically checking whether their composition satisfies the properties of interest. However, web services are distributed...
Provided by University of Toronto
-
White Papers
Scaling Task Graphs for Network Processors
September 7, 2006, 12:00am PDT
Modern Network Processors (NPs) are highly multithreaded Chip Multiprocessors (CMPs), supporting a wide variety of mechanisms for on-chip storage and inter-task communication. Real network...
Provided by University of Toronto
-
White Papers
Characterizing Residential Broadband Networks
August 28, 2007, 12:00am PDT
A large and rapidly growing proportion of users connect to the Internet via residential broadband networks such as Digital Subscriber Lines (DSL) and cable. Residential networks are often the...
Provided by University of Toronto
-
White Papers
SigNet: Network-on-Chip Filtering for Coarse Vector Directories
December 9, 2009, 12:00am PST
Scalable cache coherence is imperative as systems move into the many-core era with cores counts numbering in the hundreds. Directory protocols are often favored as more scalable in terms of...
Provided by University of Toronto
-
White Papers
Supporting Efficient Collective Communication in NoCs
January 6, 2012, 12:00am PST
Across many architectures and parallel programming paradigms, collective communication plays a key role in performance and correctness. Hardware support is necessary to prevent important...
Provided by University of Toronto
-
White Papers
A High-Throughput Overlay Multicast Infrastructure With Network Coding
January 1, 2012, 12:00am PST
Network coding has been recently proposed in information theory as a new dimension of the information multicast problem that helps achieve optimal transmission rate or cost. End hosts in overlay...
Provided by University of Toronto
-
White Papers
SFlow: Towards Resource-Efficient and Agile Service Federation in Service Overlay Networks
January 1, 2012, 12:00am PST
Existing research work towards the composition of complex federated services has assumed that service requests and deliveries flow through a particular service path or tree. In this paper, the...
Provided by University of Toronto
-
White Papers
Network Coding: The Case of Multiple Unicast Sessions
December 3, 2010, 12:00am PST
In this paper, the authors investigate the benefit of network coding over routing for multiple independent unicast transmissions. They compare the maximum achievable throughput with network coding...
Provided by University of Toronto
-
White Papers
Probabilistic Power Management for Wireless Ad Hoc Networks
October 28, 2006, 12:00am PDT
Extending system lifetime by effectively managing power on participating nodes is critical in wireless ad hoc networks. Recent work has shown that, by appropriately powering off nodes, energy may...
Provided by University of Toronto
-
White Papers
Truthful Spectrum Auction Design for Secondary Networks
January 14, 2012, 12:00am PST
Opportunistic wireless channel access by non-licensed users has emerged as a promising solution for addressing the bandwidth scarcity challenge. Auctions represent a natural mechanism for...
Provided by University of Toronto
-
White Papers
Maximizing Revenue With Dynamic Cloud Pricing: The Infinite Horizon Case
February 8, 2012, 12:00am PST
The authors study the infinite horizon dynamic pricing problem for an infrastructure cloud provider in the emerging cloud computing paradigm. The cloud provider, such as Amazon, provides computing...
Provided by University of Toronto
-
White Papers
Bargaining Towards Maximized Resource Utilization in Video Streaming Datacenters
March 23, 2012, 12:00am PDT
Datacenters can be used to host large-scale video streaming services with better operational efficiency, as the multiplexing achieved by virtualization technologies allows different videos to...
Provided by University of Toronto
-
White Papers
Quality-Assured Cloud Bandwidth Auto-Scaling for Video-on-Demand Applications
January 16, 2012, 12:00am PST
There has been a recent trend that Video-on-Demand (VoD) providers such as Netflix are leveraging resources from cloud services for multimedia streaming. In this paper, the authors consider the...
Provided by University of Toronto
-
White Papers
A Theory of Cloud Bandwidth Pricing for Video-on-Demand Providers
January 15, 2012, 12:00am PST
Current-generation cloud computing is offered with usage-based pricing, with no bandwidth capacity guarantees, which is however unappealing to bandwidth-intensive applications such as...
Provided by University of Toronto
-
White Papers
Towards Optimal Capacity Segmentation With Hybrid Cloud Pricing
April 1, 2012, 12:00am PDT
Cloud resources are usually priced in multiple markets with different service guarantees. For example, Amazon EC2 prices virtual instances under three pricing schemes - the subscription option...
Provided by University of Toronto
-
White Papers
Postcard: Minimizing Costs on Inter-Datacenter Traffic With Store-and-Forward
April 1, 2012, 12:00am PDT
It is typical for cloud providers to operate a number of geographically distributed datacenters, where inter-datacenter traffic constitutes a large portion of a cloud provider's traffic demand...
Provided by University of Toronto
-
White Papers
Reliable Network Coded MAC in Vehicular Ad-Hoc Networks
September 29, 2010, 12:00am PDT
The authors consider the problem of designing cooperative driver assistance and collision warning systems in vehicular networks. In this problem each car has a small size state information message...
Provided by University of Toronto
-
White Papers
Distributed Optimal TXOP Control for Throughput Requirements in IEEE 802.11e Wireless LAN
December 22, 2011, 12:00am PST
This paper designs a distributed Transmission OPportunity (TXOP) adaptation algorithm for IEEE802.11e Enhanced Distributed Channel Access (EDCA). Each node measures its throughput in a window and...
Provided by University of Toronto
-
White Papers
Completion Delay Reduction in Lossy Feedback Scenarios for Instantly Decodable Network Coding
July 15, 2011, 12:00am PDT
In this paper, the authors study the effect of packet feedback loss events on the broadcast completion delay performance of instantly decodable network coding. These feedback loss events result in...
Provided by University of Toronto
-
White Papers
Managing Terminological Interference in Goal Models With Repertory Grid
June 9, 2006, 12:00am PDT
Terminological interference occurs in requirements engineering when stakeholders vary in the concepts they use to understand a problem domain, and the terms they use to describe those concepts....
Provided by University of Toronto
-
White Papers
On-Demand Cluster Analysis for Product Line Functional Requirements
May 19, 2008, 12:00am PDT
The authors propose an on-demand clustering framework for analyzing the functional requirements in a product line. Their approach is novel in that the objects to be clustered capture the domain's...
Provided by University of Toronto
-
White Papers
Extracting and Modeling Product Line Functional Requirements
June 13, 2008, 12:00am PDT
The authors introduce an extractive approach to building a product line's requirements assets. They define the Functional Requirements Profiles (FRPs) according to the linguistic characterization...
Provided by University of Toronto
-
White Papers
Hypervisor Support for Identifying Covertly Executing Binaries
May 7, 2008, 12:00am PDT
Hypervisors have been proposed as a security tool to defend against malware that subverts the OS kernel. However, hypervisors must deal with the semantic gap between the low-level information...
Provided by University of Toronto
-
White Papers
MANET Extensions to Ns2
January 1, 2012, 12:00am PST
This is a set of software modules providing additional models for the simulation of multi-hop Mobile Ad hoc NETworks (MANETs) in the ns2 simulator. The authors provide implementations of the CM...
Provided by University of Toronto
-
White Papers
Optimal Trace Compaction With Property Preservation
June 9, 2009, 12:00am PDT
Debugging design errors is a challenging manual task which requires the analysis of long simulation traces. Trace compaction techniques help engineers analyze the cause of the problem by reducing...
Provided by University of Toronto
-
White Papers
Leveraging Dominators for Preprocessing QBF
December 16, 2009, 12:00am PST
Many CAD for VLSI problems can be naturally encoded as Quantified Boolean Formulas (QBFs) and solved with QBF solvers. Furthermore, such problems often contain circuit-based information that is...
Provided by University of Toronto
-
White Papers
An Automated Framework for Correction and Debug of PSL Assertions
December 6, 2010, 12:00am PST
Functional verification is becoming a major bottleneck in modern VLSI design flows. To manage this growing problem, assertion-based verification has been adopted as one of the key technologies to...
Provided by University of Toronto
-
White Papers
Managing Complexity in Design Debugging With Sequential Abstraction and Refinement
November 6, 2010, 12:00am PDT
Design debugging is becoming an increasingly difficult task in the VLSI design flow with the growing size of modern designs and their error traces. In this paper, a novel abstraction and...
Provided by University of Toronto
-
White Papers
Automated Debugging of SystemVerilog Assertions
November 23, 2010, 12:00am PST
In the last decade, functional verification has become a major bottleneck in the design flow. To relieve this growing burden, assertion-based verification has gained popularity as a means to...
Provided by University of Toronto
-
White Papers
From RTL to Silicon: The Case for Automated Debug
January 1, 2012, 12:00am PST
Computer-aided design tools are continuously improving their scalability and efficiency to mitigate the high cost associated with designing and fabricating modern VLSI systems. A key step in the...
Provided by University of Toronto
-
White Papers
Efficient Debugging of Multiple Design Errors
November 6, 2011, 12:00am PDT
After functional verification detects a failure, design debugging aims to find all locations in the design that could be responsible for the observed error. The task of debugging becomes more...
Provided by University of Toronto
-
White Papers
Automated Data Analysis Techniques for a Modern Silicon Debug Environment
January 1, 2012, 12:00am PST
With the growing size of modern designs and more strict time-to-market constraints, design errors unavoidably escape pre-silicon verification and reside in silicon prototypes. As a result, silicon...
Provided by University of Toronto
-
White Papers
On Error Tolerance and Engineering Change With Partially Programmable Circuits
November 16, 2011, 12:00am PST
The growing size, density and complexity of modern VLSI chips are contributing to an increase in hardware faults and design errors in the silicon, decreasing manufacturing yield and increasing the...
Provided by University of Toronto
-
White Papers
Propelling SAT-Based Debugging Using Reverse Domination
October 24, 2011, 12:00am PDT
With the growing complexity of VLSI designs, functional debugging has become a bottleneck in modern CAD flows. To alleviate this cost, various SAT-based techniques have been developed to automate...
Provided by University of Toronto
-
White Papers
Leveraging Reconfigurability to Raise Productivity in FPGA Functional Debug
December 9, 2011, 12:00am PST
The authors propose new hardware and software techniques for FPGA functional debug that leverage the inherent re-configurability of the FPGA fabric to reduce functional debugging time. The...
Provided by University of Toronto
-
White Papers
Non-Solution Implications Using Reverse Domination in a Modern SAT-Based Debugging Environment
December 10, 2011, 12:00am PST
With the growing complexity of VLSI designs, functional debugging has become a bottleneck in modern CAD flows. To alleviate this cost, various SAT-based techniques have been developed to automate...
Provided by University of Toronto
-
Software
U of T Map 1.0 (Mobile)
March 16, 2012, 12:00am PDT
This Google-based, layered map helps members of the U of T community, particularly people who are new to the campus, navigate using meaningful search words, such as "bookstore" and "registrar"....
Provided by University of Toronto
-
White Papers
Node Selection and Two-Hop Power Allocation in Multi-Source Cooperative Mesh Networks
January 6, 2010, 12:00am PST
This paper considers relay selection and power allocation in a two-hop multi-source multi-destination mesh network wherein fixed relay nodes use the decode-and-forward protocol. The jointly...
Provided by University of Toronto
-
White Papers
Fractional Cooperation and the Max-Min Rate in a Multi-Source Cooperative Network
January 6, 2010, 12:00am PST
The authors maximize the minimum rate of each information flow in a multi-source, multi-relay, single destination cooperative network. The relays use the decode-and-forward protocol while all...
Provided by University of Toronto
-
White Papers
An Orthogonal Relay Protocol With Improved Diversity-Multiplexing Tradeoff
November 1, 2009, 12:00am PDT
Cooperative relaying helps improve the reliability of data transmission over wireless fading channels. In orthogonal relay protocols the source and the relay terminals transmit over orthogonal...
Provided by University of Toronto
-
White Papers
Linear Processing for the Downlink in Multiuser MIMO Systems With Multiple Data Streams
January 1, 2012, 12:00am PST
In this paper, the authors solve the problem of linear precoding for the downlink in multiuser Multiple-Input Multiple-Output (MIMO) systems. The transmitter and the receivers may be equipped with...
Provided by University of Toronto
-
White Papers
SMSE Precoder Design in a Multiuser MISO System With Limited Feedback
December 16, 2009, 12:00am PST
The authors design an end-to-end linear transceiver in the downlink of a Multi-User (MU) Multiple Input Single Output (MISO) system with quantized Channel State Information at the Transmitter...
Provided by University of Toronto
-
White Papers
Energy Optimization Across Training and Data for Multiuser Minimum Sum-MSE Linear Precoding
January 6, 2010, 12:00am PST
This paper considers minimum sum Mean-Squared Error (sum-MSE) linear transceiver designs in multiuser downlink systems with imperfect channel state information. Specifically, the authors derive...
Provided by University of Toronto
Keep Up with TechRepublic
Upcoming Webcasts
Upcoming webcasts from leading IT vendors
-
2012-05-24 at 11:00 am PT | 2:00 pm ET
Live Webcast: The 2012 Guide to Better Business Benefits from Data Analytics
Sponsored by Tableau Software
-
2012-06-05 at 11:00 am PT | 2:00 pm ET
Live Webcast: Getting to Microsoft Office 365: The right migration for your business
Sponsored by Microsoft
-
2012-06-12 at 9:00 am PT | 12:00 pm ET
Live Webcast: WebSphere DataPower for Mobile Application Security
Sponsored by IBM
Submit a Paper
Get your content listed in our directory!
Our directory is the largest library of vendor-supplied technical content on the Web. It’s also the first place IT decision makers turn to when researching technology solutions. Our members are already finding your competitors’ papers here - shouldn’t they find yours, too? It's FREE so click here and submit your white paper, case study, data sheet, research report, or other document today!
