Computer Sciences Commons^™

Method And Apparatus For Detection And Prevention Of Calling Card Fraud, Hooshmand Afsar, David S. Janzen, Mark Ross Erickson, Hazel Suzanne Shirley, Christine Louise Fogarty, Michael Scott Nielsen, Douglas Alan Clark

Computer Science and Software Engineering

A method and apparatus for detection and prevention of calling card fraud is disclosed. The invention provides enhanced intelligence and efficiency in part applying by a fraud analysis associated with a calling card bill type or service provider as identified by originating partitions in network switches. Additionally, the invention incorporates a case-subcase arrangement of fraud analysis information and conducts fraud analysis on a case-by-case basis, thereby providing streamlined handling of suspected fraud. Still additionally, the invention includes an administrative monitor that continuously collects and reviews fraud system status information to detect abnormalities in the system.

Transition From Data To Information, Jens G. Pohl

Collaborative Agent Design (CAD) Research Center

It is often lamented that we human beings are suffering from an information overload. This is a myth; as shown in Fig.1, there is no information overload. Instead, we are suffering from a data overload. The confusion between data and information is not readily apparent and requires further explanation. Unorganized data are voluminous but of very little value. Over the past 15 years, industry and commerce have made significant efforts to rearrange this unorganized data into purposeful data, utilizing various kinds of database management systems. However, even in this organized form, we are still dealing with data and not …

Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 17, Number 5, February 2001, College Of Engineering And Computer Science, Wright State University

BITs and PCs Newsletter

An eight page newsletter created by the Wright State University College of Engineering and Computer Science that addresses the current affairs of the college.

From Rs-232 To Object Request Brokers: Incremental Object-Oriented Networking Projects, David S. Janzen

Computer Science and Software Engineering

Selecting an appropriate set of laboratory experiences and projects for a Data Communications and Computer Networks course can be difficult due to the broad and deep nature of the topics. Emphasis may be placed on many networking aspects including design, evaluation, efficiency, security, protocols, tools, and applications. This paper presents a set of projects that attempt to integrate software engineering and systems administration topics. The projects emphasize network application programming. Particular attention will be given to a sequence of incremental projects using an object-oriented approach including the use of the Unified Modeling Language (UML) and a design pattern.

Income Tax Preparation System, Seng Lip Ku

Student Works (2000-2009)

Final year thesis is one of major requirements to fulfill Bachelor Degree in Computer Science at University Malaya, We need to develop a system alone or in one group from beginning stage of literature survey until the system was delivered. I had been chosen to develop a system so call income tax preparation system, which require assisting taxpayers to prepare the return forms and furnish estimate of the tax payable for the year of assessment. At the same time calculate tax to be pay to Lembaga Hasil Dalam Negeri Malaysia (LHDN) by monthly payments. The system will be developed for …

Interactive First Aid Guidebook, Pen San Lai

Student Works (2000-2009)

'Interactive First Aid Guidebook' is an information-based web sites that will be providing a comprehensive collection of multiple type of first aid situation and solution. The development of these web sites is to increase the awareness of First-Aid knowledge through Internet. Besides that, the development of this interactive-web based web site is to aid and ease the process of learning first aid. From the review of literature have enriched the understanding of Interactivity. 'interactive First aid Guidebook' will be a interactive web site in order to respond dynamically to user control by implementing the computer-aided instruction approach. The Computer-Aided instruction …

E-Faculty: Postgraduate Information System, Theen Weng Ng

Student Works (2000-2009)

The computer industry has gone through a dramatic change since its first introduction, about 30 years ago. Information technology has pushed us to a degree of revolution that we could not have possibly foreseen in the last 30 years or so. Changes include many aspects such as business, games, education, administration and politics and most of all, our daily life. This thesis is about the introduction of the usage of information technology in full force to the local higher-learning institution: university. In the process, a new system for managing the postgraduate information will be introduced and how it will tackle …

Web Information Retrieval And Monitoring Using Adaptive Agent, Yuen Beng Chong

Student Works (2000-2009)

Internet is the information house. There are million of pages posted in the Internet, and still growing in exponential. Locate a web page, without a search engines, is like a blind explorer. There are many search engines in the existence world, but more new search engines is under construction. Each search engine has its advantage and disadvantage, depend on the need of the searchers. The projects aims to develop an agent, with some advanced features, to allow the searchers obtain the information from the Internet easily. The advanced features included, table of contents preview, chart of relevant, session review and …

Configuration Space Computations For Polyhedra With Planar Motions, Elisha Sacks

Department of Computer Science Technical Reports

No abstract provided.

A Framework For Supporting The Class Of Space Partitioning, Walid G. Aref, Ihab F. Ilyas

Department of Computer Science Technical Reports

No abstract provided.

Parallel 3d Reconstruction Of Assymmetric Virus Structure From Electron From Electron Micrographs: Algorithms And Experiments, Robert E. Lynch, Dan C. Marinescu, Yongchang Ji, Hong Lin

Department of Computer Science Technical Reports

No abstract provided.

Adaptive Proportional-Delay Differentiated Services: Characterization And Performance Evaluation, Matthew K. H. Leung, John C. S. Lui, David K.Y. Yau

Department of Computer Science Technical Reports

No abstract provided.

Pakej Pembelajaran Pintar 3b Bermultimedia, Sharif Intan Sharinah

Student Works (2000-2009)

Pembangunan perisian melalui web atau CD semakin mendapat perhatian dewasa ini khususnya di kalangan pembangun sistem di mana penggunaan ke atasnya juga mendapat sambutan yang menggalakkan khususnya di kalangan pelajar samada pada peringkat tinggi, pertengahan ataupun rendah. Projek yang dibangunkan ini dikenali dengan Pakej Pembelajaran Pintar Bahasa Inggeris, Bahasa Melayu dan Bahasa Arab Bermultimedia berasaskan web. Ia dibangunkan khususnya bagi kegunaan pelajar-pelajar sekolah rendah bagi memudahkan sesi pembelajaran dari segi pengetahuan dalam pelbagai bahasa pertuturan. Pakej ini dibangunkan adalah bertujuan untuk mcmahirkan serta memberi peluang kepada pengguna untuk lebih mudah mempelajari 3 jenis bahasa pertuturan dalam masa yang singkat. Dari …

Development Of Objective-Oriented Components For Atm Networks Simulation With Emphasis On Switch Architecture, Boon Pin Tan

Student Works (2000-2009)

Asynchronous Transfer Mode (ATM) is considered to be the ground on which B-ISDN is to be built. It is the new generation of communication networks that are being deployed throughout the telecommunication industry. The basic functions of ATM switch are to direct cells from input port to output port and to buffer cell destined to the same output port from different input port. This project focuses on the development of an object-oriented simulator for simulation. The simulator is designed and implemented to ensure the correctness of routing within the switch fabric, fairness of switching and to guarantee quality of service …

Electronic Testing System (Ets), Noor Ahmed Bashir Shamsul Anwar

Student Works (2000-2009)

The final year project is the qualification, which is required to complete the bachelor degree for all final year students of faculty of Computer Science and Information Technology, University Malaya. The purpose of this final year project is to expose students to the real working life of environment as well as getting experience in the real world project management. In this modern age of Information Technology, people are experiencing with the letter "E" which stands for Electronic. Such as, E-mail, E-commerce, E-government as well as E-test. The E-test stands for Electronic Testing, is a computer system, that can be applied …

Cryptanalysis Of A Digital Signature Scheme On Id-Based Key-Sharing Infrastructures, Hongjun Wu, Feng Bao, Robert H. Deng

Research Collection School Of Computing and Information Systems

At ISW’99, Nishioka, Hanaoka and Imai proposed a digital signature scheme on ID-based key-sharing infrastructures. That signature scheme is claimed to be secure if the discrete logarithm problem is hard to solve. Two schemes (the ID-type and the random-type schemes) based on the linear scheme for the Key Predistribution Systems (KPS) and the discrete logarithm problem (DLP) were given. In this paper we show that those two schemes fail to meet the nonrepudiation requirement: with negligible amount of computation, a signature could be forged. For the ID-type signature scheme, any verifier could forge a signature to raise repudiation between that …

Cryptanalysis Of Two Sparse Polynomial Based Public Key Cryptosystems, Feng Bao, Robert H. Deng, Willi Geiselmann, Claus Schnorr, Rainer Steinwandt, Hongjun Wu

Research Collection School Of Computing and Information Systems

The application of sparse polynomials in cryptography has been studied recently. A public key encryption scheme EnRoot [4] and an identification scheme SPIFI [1] based on sparse polynomials were proposed. In this paper, we show that both of them are insecure. The designers of SPIFI proposed the modified SPIFI [2] after Schnorr pointed out some weakness in its initial version. Unfortunately, the modified SPIFI is still insecure. The same holds for the generalization of EnRoot proposed in [2].

A More Efficient Document Retrieval Method For Texpros, Yin Dong

Dissertations

Document processing is a critical element of office automation. Through document classification, extraction and filing, documents are automatically placed into a knowledge base according to certain rules. Document retrieval is a process to get a document back according to a user's requirements and to show the results to the user. Hence, a good user-interface and an efficient retrieval algorithm become core parts of document retrieval.

Unlike previous browsers that have been proposed for this purpose, this dissertation develops a new browser that has a user interface with more tools, and one that has a more efficient retrieval algorithm that can …

Visualization Techniques For Routing Protocols And Router Configurations, Vandana Pursnani

Theses

An autonomous system (AS) is a group of routers managed by a particular organization. Exterior gateway protocols (EGP) are used between AS's Internal Gateway Protocols (IGP) is used within an AS. The most common protocols used with TCP/IP are RIP, OSPF (Open Shortest Path First), IGRP / Enhanced IGRP.

The thesis revolves around OSPF protocol OSPF uses flooding to exchange link-state updates between routers. Any change in routing information is flooded to all routers in the network. Areas are introduced to put a boundary on the explosion of link-state updates. Flooding and calculation of the Dijkstra algorithm on a router …

Towards Hypermedia Support In Database Systems, Anirban Bhaumik

Theses

The general goal of our research is to automatically generate links and other hypermedia related services to analytical applications. Using a dynamic hypermedia engine (DHE), the following features have been automated for database systems. Based on the database's relational (physical) schema and its original (non-normalized) entity-relationship specification links are generated, database application developers may also specify the relationship between different classes of database elements. These elements can be controlled by the same or different database application, or even by another software system. A DHE prototype has been developed and illustrates the above for a relational database management system.

The DHE …

Managing Toxic And Hazardous Substances Of Concern In Manufacturing, Craig Jancerak

Theses

This thesis examined data management from an object relational database perspective. The database used was a product from Cornell University called PREDATOR. The context of the evaluation is the life-cycle of a manufactured product. The manufacturing life-cycle was chosen to correspond to an environmental life-cycle being done at NJIT. However, the goal was to use a generic model that could be applied to many situations.

The first phase developed the conceptual life-cycle model. At a high level, the model was not designed with a programming language in mind. Several questions needed to be answered and the a [sic] model answers …

Mobile-Agent Versus Client/Server Performance: Scalability In An Information-Retrieval Task, Robert S. Gray, David Kotz, Ronald A. Peterson Jr, Peter Gerken, Martin Hofmann, Daria Chacon, Greg Hill, Niranjan Suri

Computer Science Technical Reports

Mobile agents are programs that can jump from host to host in the network, at times and to places of their own choosing. Many groups have developed mobile-agent software platforms, and several mobile-agent applications. Experiments show that mobile agents can, among other things, lead to faster applications, reduced bandwidth demands, or less dependence on a reliable network connection. There are few if any studies of the scalability of mobile-agent servers, particularly as the number of clients grows. We present some recent performance and scalability experiments that compare three mobile-agent platforms with each other and with a traditional client/server approach. The …

Building An Interactive, Three-Dimensional Virtual World, Raymond Mazza

Senior Scholar Papers

The movement of graphics and audio programming towards three dimensions is to better simulate the way we experience our world. In this project I looked to use methods for coming closer to such simulation via realistic graphics and sound combined with a natural interface. I did most of my work on a Dell OptiPlex with an 800 MHz Pentium III processor and an NVIDlA GeForce 256 AGP Plus graphics accelerator -high end products in the consumer market as of April 2000. For graphics, I used OpenGL [1], an open·source, multi-platform set of graphics libraries that is relatively easy to use, …

On The Nonembeddability And Crossing Numbers Of Some Toroidal Graphs On The Klein Bottle, Adrian Riskin

Mathematics

We show that toroidal polyhedral maps with four or more disjoint homotopic noncontractiblecircuits are not embeddable on the projective plane and that toroidal polyhedral maps with -veor more disjoint homotopic noncontractible circuits are not embeddable on the Klein bottle. Wealso show that the Klein bottle crossing numbers ofCm×Cn(m6n) form=3;4;5;6 are 1,2,4,and 6, respectively, and give upper bounds for all other values ofn. These crossing numbersdispla yat ypical behavior in that the value depends onl yonminstead of on bothmandnas isthe case for the plane and projective plane.

Complexity As Fitness For Evolved Cellular Automata Update Rules, Em Ward, Doug Blank, Douglas Rolniak, Dale R. Thompson

Computer Science Faculty Research and Scholarship

We investigate the state change behavior of one-dimensional cellular automata during the solution of the binary density-classification task. Update rules of high, low and un- known fitness are applied to cellular au- tomata, thereby providing examples of high and low rates of successful classification. A spread factor, ω, is introduced and investi- gated as a numerical marker of state change behavior. The nature of ω describes complex or particle-like behavior on the part of the cellular automata over the middle region of initial configuration density-distribution, but breaks down at the ends. Because of the lim- itation on ω, a related …

Inter-Domain Lsp Setup Using Bandwidth Management Points, Ibrahim Taner Okumus, Junseok Hwang, Haci Ali Mantar, Steve J. Chapin

Electrical Engineering and Computer Science - All Scholarship

Bandwidth Management Points (BMP) are a necessity to manage the intra and inter-domain resources in the Internet. In this paper we propose a way to setup inter-domain Label Switched Path (LSP) with the help of a BMP in a MultiProtocol Label Switching (MPLS) over DiffServ network. We use extended Simple Inter-domain Bandwidth Broker Signalling Protocol (SIBBS) to distribute the labels inter-domain. We also use a BMP to interact with the MPLS to setup the intra-domain LSP and to provision the intra-domain traffic. With the help of a BMP, we show how end-to-end Quality of Service (QoS) can be achieved.

A "Converse" Of The Banach Contraction Mapping Theorem, Pascal Hitzler, Anthony K. Seda

Computer Science and Engineering Faculty Publications

We prove a type of converse of the Banach contraction mapping theorem for metric spaces: if X is a T₁ topological space and f: X -> X is a function with the unique fixed point a such that fⁿ(x) converges to a for each x is a member of X, then there exists a distance function d on X such that f is a contraction on the complete ultrametric space (X,d) with contractivity factor 1/2. We explore properties of the resulting space (X,d).

Jkarelrobot: A Case Study In Supporting Levels Of Cognitive Development In The Computer Science Curriculum, Duane Buck, David J. Stucki

Mathematics Faculty Scholarship

We introduce a new software tool, JKarelRobot, for supporting an Inside/Out pedagogy in introductory programming courses. Extending the original conception of "Karel the Robot", with Bloom's Taxonomy of Educational Objectives as a guiding principle, we have provided a mechanism for designing exercises that are cognitively appropriate to the developmental levels of our students. JKarelRobot is platform independent (written in Java) and language/paradigm independent, supporting Pascal, Java, and Lisp style environments.

Searching For A Quantum Algorithm To Solve The Traveling Salesman Problem, Buckley Hopper

Honors Capstone Projects and Theses

No abstract provided.

On-Line Tutorial Project: Intellectual Property In E-Commerce, William J. Murphy

Law Faculty Scholarship

Copyrights, Trademarks and Patents make up most of the area of law known as Intellectual Property. Intellectual Property's importance in Electronic Commerce is difficult to overstate. The Internet has been defined as a global network of networks through which computers communicate by sending information in packets, and each network consists of computers connected by cables or wireless links. It is the Intellectual Property laws of Copyright, Trademark and Patents that are attempting to harmonize the effects that E-Commerce and the Internet have had on the individual's ability to access and use this information. It should be remembered that most countries …