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Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
There is a growing demand for technology that can sense people and objects without imposing excessive overhead. Traditional solutions usually require people to wear additional devices on their bodies and install cumbersome sensors on...
Memory system hierarchy has remained unchanged for many years, leading to a growing gap between main memory access times and a local disk's paging latencies. This trend has especially become a performance bottleneck for memory intensive...
Behavior selection is a problem that AI development has faced for years, whether it be in video games or crowd-simulation software. While video game studios use methods like hierarchical task network (HTN) planners to control the...
Many scientific problems are posed as Ordinary differential Equations (ODEs). A large subset of these are initial value problems, which are typically solved numerically. The solution starts by using a known state-space of the ODE system...
Software tools designed for disk analysis play a critical role today in digital forensics investigations. However, these digital forensics tools are often difficult to use, usually task specific, and generally require professionally...
The Internet is an excellent source of information and entertainment. Children reap numerous benefits using the Internet for educational purposes, playing games and communicating with people all over the world. But along with these...
The OpenSPARC T1 is a multithreading processor developed and open sourced by Sun Microsystems (now Oracle). This paper presents an implementation of the low-power Tagless-Hit Instruction Cache (TH-IC) for the T1, after adapting it to the...
We present two tools that utilize the end-to-end approach for topology discovery for Ethernet switched LANs. Unlike existing Ethernet topology discovery methods that rely on Simple Network Management Protocol (SNMP) queries to obtain...
Instant messaging has been and still is a revolutionary technology, bringing people in communication with each other faster and easier. Its characteristic as sending messaging in real-time make it even more appealing than e-mail itself....
We propose the use of randomized (scrambled) quasirandom sequences for the purpose of providing practical error estimates for quasi-Monte Carlo (QMC) applications. One popular quasirandom sequence among practitioners is the Halton...
This paper discusses a combined and platform-independent solution to detect websites that fake their identity. The approach combines white-listing, black-listing and heuristic strategies to provide an optimal phishing detection ratio...
This work will examine enhancements to the library for scalable, parallel pseudorandom number generation (SPRNG). SPRNG uses parameterization to produce many streams of random numbers with emphasis on parallel Monte Carlo methods. We...
Since the number of digital images is growing explosively, content based image retrieval becomes an active research area to automatically index and retrieve images based on their semantic features and visual appearance. Content based...
The main task of a Lexical Analyzer such as Lex [20], Flex [26] and RE/Flex [34], is to perform tokenization of a given input file within reasonable time and with limited storage requirements. Hence, most lexical analyzers use...
The Cryptographic Protocol Analysis Language Evaluation System (CPAL-ES) is a tool used to analyze protocols with formal methods. In this thesis, we exercise CPAL-ES against two security protocols, the Secure Protocol of Aziz & Diffie, ...
This thesis presents a novel interface for collaborative Digital Forensics. The improvement in the process management and remote access apropos of the use of current Digital Forensic tools in the area of Digital Forensics is described in...
The Internet of Things (IoT) has revolutionized how we interact with technology by enabling numerous devices to communicate and autonomously perform tasks in various settings such as homes, enterprises, and smart cities. However, this...
The revolution in next-generation DNA sequencing technologies is leading to explosive data growth in genomics, posing a significant challenge to the computing infrastructure and software algorithms for genomics analysis. Various big data...
Adversarial yet interacting interdependent relationships in information sharing and service provisioning have been a pressing issue of the Internet. Such relationships exist among autonomous software agents, in networking system peers, ...
An Analysis of the Secure Routing Protocol for Mobile Ad Hoc Network Route Discovery: Using Intuitive Reasoning and Formal Verification to Identify Flaws
With this work we analyze the Secure Routing Protocol (SRP) proposed by Papadimitratos and Haas as a means for securing source-driven route discovery in ad hoc networks. We discuss aws in SRP's design and expose SRP's shortcomings with...
Digital image steganography is the art and science of hidden information. Currently, steganographic (stego) algorithms are rapidly evolving and reducing their artifacts. There-fore, detecting of altered cover images, i.e. steganalysis, ...
Statically pipelined processors offer a new way to improve the performance beyond that of a traditional in-order pipeline while simultaneously reducing energy usage by enabling the compiler to control more fine-grained details of the...
Monte Carlo methods are often used to efficiently estimate partial differential equations. In this document, I will look at a few methods that have been developed into the backbone of the algorithm for estimating the electrostatic free...
Selection of a suitable Ph.D. supervisor is a very important step in a student's career. This dissertation presents a multi-criteria decision support system to assist students in making this choice. The system employs a hybrid method...
This thesis presents and evaluates a generic algorithm for incrementally computing the dominant singular subspaces of a matrix. The relationship between the generality of the results and the necessary computation is explored. The...
High performance computing(HPC) and data center systems have undergone rapid growth in recent years. To meet the current and future demand of compute- and data-intensive applications, these systems require the integration of a large...
The phase ordering problem has been a long-standing problem in compiler optimizations. Different orderings of applying optimization phases by a compiler can result in different code generated, with potentially significant performance...
Temporal and spatial localities are basic concepts in operating systems, and storage systems rely on localities to perform well. Surprisingly, it is difficult to quantify the localities present in workloads and how localities are...
Sustainability research of the environment depends on accurate land cover information over large areas. Even with the increased number of satellite systems and sensors acquiring data with improved spectral, spatial, radiometric and...
The purpose of computer simulation is to utilize a mathematical model to recreate a real world situation such that the behavior and interactions of the entities involved can more easily be understood. By varying initial conditions and...
Discriminatory terminology has been identified as a potential contributing factor to low diversity in the software developer population. Terms including whitelist, slave, and dummy value have been commonplace in the technical vernacular...
Deep learning models have shown remarkable performance across various applications. However, their resilience to hardware faults, particularly the loss of neurons, is a critical aspect that needs to be addressed. In this paper, we...
Phishing scams which use emails to trick users into revealing personal data have become pandemic in the world. Analyzing such emails to extract maximum information about them and make intelligent forensic decisions based on such an...
Vector-borne diseases account for more than 17% of infectious diseases, causing more than 1 million deaths annually from malaria, dengue fever, yellow fever, etc. Diseases once thought to be controlled, have experienced a resurgence. For...
There has been a great deal of research devoted to computer vision related assistive technologies. Unfortunately, this area of research has not produced many usable solutions. The long cane and the guard dog are still far more useful...
Many applications are featured with both text and location information, which leads to a novel type of search: spatial approximate string search (Sas). The Sas is gaining attention from the database community only recently. A large...
Random numbers are used in a variety of applications including simulation, sampling, and cryptography. Fortunately, there exist many well-established methods of random number generation. An example of a well-known pseudorandom number...
Recognizing and representing objects of certain categories become increasingly important due to the availability of high-resolution imaging technologies and the explosive amount of digital data. In particular, semantic segmentation of...
Three dimensional scalar heightfields, also known as volumetric datasets, abound in science and medicine. Viewing the isosurfaces, or level sets, is one of the two main ways to display these datasets, the other being volume visualization...
Memory hungry applications consistently keep their memory requirement curves ahead of the growth of DRAM capacity in modern computer systems. Such applications quickly start paging to swap space on the local disk, which brings down their...
InfiniBand is the de facto networking technology for commodity HPC clusters and has been widely deployed. However, most production large-scale InfiniBand clusters use simple routing schemes such as the destination-mod-k routing to route...
The amount of sensitive data stored on electronic media increases as the use of computers and mobile devices becomes more prevalent. For example, home computers and devices may store financial information (e.g., Quicken files or tax...
The Distributed Oceanographic Match-Up Service (DOMS) currently under development is a centralized service that allows researchers to easily match in situ and satellite oceanographic data from distributed sources to facilitate satellite...
Routing in mobile ad hoc networks presents many challenging problems not faced when routing in static networks with infrastructure. While much research has been done in this area, there is still much progress left to make before routing...
The purpose of this project is to create MATLAB applications that use the capabilities of the World Wide Web to send data to a remote server for computation and to display the results in on a local MATLAB® application. The data is sent...
Recent surveys have shown that over 6.8 billion mobile phones are in use today where roughly 50% are running the Android Operating System. This large population of devices can be utilized for message-passing interface (MPI) computing....
The current Internet architecture reveals its chronic limitations against the new paradigms of networking. The advancement of technology has changed the network use from communication to content distribution. Unfortunately, the IP-based...
DAGDA exposes some of the hidden operations that the hardware uses when performing loads and stores to the compiler to save energy and increase performance. We decouple the micro-operations for loads and stores into two operations: the...
The problems inherent to providing security for network systems are relative to the openness and design of network architecture. Typically network security is achieved through the use of monitoring tools based on pattern recognition or...
As storage device performance increases, the lifespan of an I/O request becomes throttled more-so by data path traversal than physical disk access. Even though many computer performance analysis tools exist, a surprisingly small amount...
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
