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Articles 1 - 12 of 12
Full-Text Articles in Physical Sciences and Mathematics
A Longitudinal Analysis On The Feasibility Of Iris Recognition Performance For Infants 0-2 Years Old, Torrey Hutchison
A Longitudinal Analysis On The Feasibility Of Iris Recognition Performance For Infants 0-2 Years Old, Torrey Hutchison
Purdue Polytechnic Masters Theses
The focus of this study was to longitudinally evaluate iris recognition for infants between the ages of 0 to 2 years old. Image quality metrics of infant and adult irises acquired on the same iris camera were compared. Matching performance was evaluated for four groups, infants 0 to 6 months, 7 to 12 months, 13 to 24 months, and adults. A mixed linear regression model was used to determine if infants’ genuine similarity scores changed over time. This study found that image quality metrics were different between infants and adults but in the older group, (13 to 24 months old) …
Web Based Cyber Forensics Training For Law Enforcement, Nick Sturgeon
Web Based Cyber Forensics Training For Law Enforcement, Nick Sturgeon
Purdue Polytechnic Masters Theses
Training and education are two of the most important aspects within cyber forensics. These topics have been of concern since the inception of the field. Training law enforcement is particularly important to ensure proper execution of the digital forensics process. It is also important because the proliferation of technology in to society continues to grow at an exponential rate. Just as technology is used for good there are those that will choose to use it for criminal gains. It is critical that Law Enforcement have the tools and training in cyber forensics. This research looked to determine if web based …
The Utilization Of Context To Adapt The Interface Of A Computer, Ludovic Delaveau
The Utilization Of Context To Adapt The Interface Of A Computer, Ludovic Delaveau
Purdue Polytechnic Masters Theses
This research examines the possibility for a computer to adapt its interface and its settings to the current environment, through the notion of situations and corresponding profiles. These situations are group of context elements and tasks or activities performed in that operating conditions, such as the activities conducted at the workplace or the relaxation time at home. The profiles are set of configuration values for the computer, such as the network services. Adapting the computer serves the user as it takes care of putting his computer in the right mode to be efficient in the activity performed. In order to …
Analyzing Financial Data Through Interactive Visualization, Fizi Yadav
Analyzing Financial Data Through Interactive Visualization, Fizi Yadav
Purdue Polytechnic Masters Theses
This investigation explored the role data visualization in the scientific community and its effect on the cognitive ability of an individual. The research attempted to answer the question, “ Whether appropriate data visualization helps in better understanding of corporate financial data?” and used quantitative methods to gain an insight. Participants in the study were divided into two groups of 30 each, with one group receiving the treatment devised for the research and the other using the common prevalent method. Both the groups were subjected to a test, based upon the analysis of which a conclusion was derived. The subjects were …
The Effects Of Organizational Structure On Sustainability Report Compliance, Kurt E. Mink
The Effects Of Organizational Structure On Sustainability Report Compliance, Kurt E. Mink
Purdue Polytechnic Masters Theses
The purpose of this qualitative research was to determine the organizational characteristics that contribute to developing sustainability reports with GRI A+ application levels. Judgment sampling was used to select organizations that received an A+ GRI application level in 2010. These organizations were then surveyed using a fifteen-question survey, which emulated the semi-structured interview questions utilized by Farneti and Guthrie (2007). The survey was disseminated to 107 organizations and the responses were collated and analyzed to determine important themes relevant to this research study. The results of this research study suggest a relationship between an organization’s genuine commitment to sustainability by …
Miniature Mass Spectrometry: Rf Amplitude Control System Design, Matthew Allen Kirleis
Miniature Mass Spectrometry: Rf Amplitude Control System Design, Matthew Allen Kirleis
Purdue Polytechnic Masters Theses
This thesis covers the methods used to construct and characterize a custom digital RF amplitude control system. Many types of mass spectrometers exist, but few have been miniaturized as much as the Mini instruments developed at Purdue University. The goal of this research was to improve upon an earlier amplitude control system consisting of analog circuits first implemented in the Mini 11.5 mass spectrometer developed at Purdue University.
A custom set of control and data acquisition electronics were developed for testing the digital and analog control systems in a Mini 11.5 mass spectrometer chassis. A MATLAB Simulink simulation was done …
Comparison Of Clustered Rdf Data Stores, Venkata Patchigolla
Comparison Of Clustered Rdf Data Stores, Venkata Patchigolla
Purdue Polytechnic Masters Theses
Storing data in RDF format helps in simpler data interchange among different researchers compared to present approaches. There has been tremendous increase in the applications that use RDF data. The nature of RDF data is such that it tends to increase explosively. This makes it necessary to consider the time for retrieval and scalability of data while selecting a suitable RDF data store for developing applications. The research concentrates on comparing BigOWLIM. Bigdata, 4store and Virtuoso RDF stores on basis of their scalability and performance of storing and retrieving cancer proteomics and mass spectrometry data using SPARQL queries. In this …
Quantifying Multiple Types Of Damping Acting On Bronze-Wound Guitar Strings, Jonathan Christian
Quantifying Multiple Types Of Damping Acting On Bronze-Wound Guitar Strings, Jonathan Christian
Purdue Polytechnic Masters Theses
The goal of this study was to quantify the contributions of multiple damping types acting on guitar strings for each mode over a wide frequency range so that design variables could be identified to one day create frequency based damping in guitar strings. Structural dynamic testing was used to obtain the time-response of a vibrating string in open air and in a vacuum. From this signal, each harmonic was filtered and the decay envelope was curve-fitted with a function that was a linear summation of decay functions. From the curve-fits, the damping coefficients for aerodynamic, friction, and material damping were …
How Much Do U.S. University Students Know, And Want To Know, About Sustainability And Green Building? The Findings Of A Survey, And Possible Implications For General Elective Curricula., Jeremy R. Farner
Purdue Polytechnic Masters Theses
Using the survey approach, this investigation examined the attitudes and interest of college students at two universities in different geographic locations within the United States. Approximately 24,000 students from all disciplines and majors at Weber State University (WSU) in Utah, and 4,000 at Purdue University in Indiana, were invited to participate in a study to determine current knowledge, familiarity, and interest in topics within the sustainability and Green Building educational arena. The goal of this study was to determine what students already know, would like to know, and how much interest there would be in developing …
How Much Do U.S. University Students Know, And Want To Know, About Sustainability And Green Building? The Findings Of A Survey, And Possible Implications For General Elective Curriculum., Jeremy R. Farner
Purdue Polytechnic Masters Theses
Using the survey approach, this investigation examined the attitudes and interest of college students at two universities in different geographic locations within the United States. Approximately 24,000 students from all disciplines and majors at Weber State University (WSU) in Utah, and 4,000 at Purdue University in Indiana, were invited to participate in a study to determine current knowledge, familiarity, and interest in topics within the sustainability and Green Building educational arena. The goal of this study was to determine what students already know, would like to know, and how much interest there would be in developing …
A Cost-Benefit Analysis Of A Campus Computing Grid, Preston M. Smith
A Cost-Benefit Analysis Of A Campus Computing Grid, Preston M. Smith
Purdue Polytechnic Masters Theses
Any major research institution has a substantial number of computer systems on its campus, often in the scale of tens of thousands. Given that a large amount of scientific computing is appropriate for execution in an opportunistic environment, a campus grid is an inexpensive way to build a powerful computational resource. What is missing, though, is a model for making an informed decision on the cost-effectives of a campus grid. In this thesis, the author describes a model for measuring the costs and benefits of building a campus computing resource based on the institution’s existing investment in computing hardware.
For …
Increasing Effectiveness Of The Zachman Framework Using The Balanced Scorecard, Anagha Gokhale
Increasing Effectiveness Of The Zachman Framework Using The Balanced Scorecard, Anagha Gokhale
Purdue Polytechnic Masters Theses
The purpose of this study is to explore the impact of integrating the use of Zachman Framework of Enterprise Architecture and the Balanced Scorecard (BSC) Framework for an effective business-IT alignment. The study tries to identify certain gaps in the Zachman Framework focusing on the motivational aspects of the framework, which have been discussed in the literature review. The aim is to achieve the integration by mitigating these motivational aspect’s weaknesses in the Zachman Framework using the deliverables obtained from the BSC. Thus the author proposes to achieve business-IT alignment through this integration. No research studies in the past have …