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California Polytechnic State University, San Luis Obispo

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Predicting Changes To Source Code, Justin James Roll Apr 2016

Predicting Changes To Source Code, Justin James Roll

Master's Theses

Organizations typically use issue tracking systems (ITS) such as Jira to plan software releases and assign requirements to developers. Organizations typically also use source control management (SCM) repositories such as Git to track historical changes to a code-base. These ITS and SCM repositories contain valuable data that remains largely untapped. As developers churn through an organization, it becomes expensive for developers to spend time determining which software artifact must be modified to implement a requirement. In this work we created, developed, tested and evaluated a tool called Class Change Predictor, otherwise known as CCP, for predicting which class will implement …

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Effect Of Reduced Sodium Cheese On The Growth Of Pathogenic Bacteria And Inactivation Of Listeria Innocua Using Supercritical Fluid Extraction With Co2, Suyapa Padilla Antunez Apr 2016

Effect Of Reduced Sodium Cheese On The Growth Of Pathogenic Bacteria And Inactivation Of Listeria Innocua Using Supercritical Fluid Extraction With Co2, Suyapa Padilla Antunez

Master's Theses

Listeria monocytogenes continues to challenge the dairy industry in causing post-process contamination of cheeses. To reduce risk of contamination, it is crucial to understand the growth and survival of pathogenic bacteria in cheese products and to develop post-process mitigation strategies. This study evaluated the fate of pathogens in reduced and regular sodium Mozzarella cheese, and the potential of Supercritical Fluid Extraction with CO2 (SFE) to reduce Listeria innocua on Mozzarella and Queso Fresco. The survival of L. monocytogenes, Salmonella, and E.coli O157:H7 (2-3 log CFU/g) in reduced sodium Mozzarella (1.62%), compared to regular sodium Mozzarella cheese (2.15%) …

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Paving Paradise: The Royal Hawaiian And The Rise Of Waikiki Tourism, 1901-1929, Alika Bourgette Apr 2016

Paving Paradise: The Royal Hawaiian And The Rise Of Waikiki Tourism, 1901-1929, Alika Bourgette

The Forum: Journal of History

No abstract provided.

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An Examination Of The Debate Surrounding Core Curriculum State Standards In American Education Reform, Kristen Henry Apr 2016

An Examination Of The Debate Surrounding Core Curriculum State Standards In American Education Reform, Kristen Henry

Paideia

No abstract provided.

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Effects Of Curing Cycle And Loading Rates On The Bearing Stress Of Double Shear Composite Joints, Mateja Andrejic Apr 2016

Effects Of Curing Cycle And Loading Rates On The Bearing Stress Of Double Shear Composite Joints, Mateja Andrejic

Master's Theses

In the last few decades, there has been a shift to using more lightweight materials for the potential of fuel consumption reduction. In the Aerospace Industry, conventional metal structures are being replaced by advanced composite structures. The major advantage of an advanced composite structure is the huge reduction in the number of parts and joints required. Also composite materials provide better resistance to creep, corrosion, and fatigue. However, one cannot eliminate all the joints and attachments in an aircraft’s structure. Eliminating structural joints is impractical in present-day aircraft because of the requirements for inspection, manufacturing breaks, assembly and equipment access, …

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Getting La To Net Positive Competition For Innovation In Design, Alexander Lohr Apr 2016

Getting La To Net Positive Competition For Innovation In Design, Alexander Lohr

Architectural Engineering

For my senior project I participated in the Getting LA to Net Positive Competition for Innovation in Design competition which is part of the living building challenge. The Living Building Challenge™ is a building certification program, advocacy tool and philosophy that define advanced measure of sustainability in the building environment. The Challenge is comprised of seven performance categories called Petals: Place, Water, Energy, Health & Happiness, Materials, Equity and Beauty. Petals are subdivided into a total of twenty Imperatives, each of which focuses on a specific sphere of influence. The competition is run by the Living Building Challenge Collaborative: Los …

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The Forum, Vol. 8, Issue 1 Apr 2016

The Forum, Vol. 8, Issue 1

The Forum: Journal of History

No abstract provided.

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Nutrition And Health-Related Quality Of Life In Older Adults In The Us, Nhanes 2009–2012, Jessica Anne Hews Apr 2016

Nutrition And Health-Related Quality Of Life In Older Adults In The Us, Nhanes 2009–2012, Jessica Anne Hews

Master's Theses

Few studies have investigated the relationship between diet quality and health-related quality of life (HRQOL), especially in the older adult population that is most at risk for poor diet and health. Self-perceived HRQOL is a more powerful predictor of morbidity and mortality than objective measures of health. The aim of this thesis was to examine the association between nutrition-related factors (especially diet quality) and HRQOL in community-dwelling older adults aged 60 and above. This research used cross-sectional data from the National Health and Nutrition Examination Survey (NHANES) 2009-2010 and 2011-2012 cycles to select and include diet quality variables, meal-related variables, …

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Observations Of Nonlinear Internal Waves At A Persistent Coastal Upwelling Front, Ryan K. Walter, Marek Stastna, C. Brock Woodson, Stephen G. Monismith Apr 2016

Observations Of Nonlinear Internal Waves At A Persistent Coastal Upwelling Front, Ryan K. Walter, Marek Stastna, C. Brock Woodson, Stephen G. Monismith

Physics

We collected high-resolution observations of nonlinear internal waves (NLIWs) at a persistent upwelling front in the shallow coastal environment (~20 m) of northern Monterey Bay, CA. The coastal upwelling front forms between recently upwelled waters and warmer stratified waters that are trapped in the bay (upwelling shadow). The front propagates up and down the coast in the along-shore direction as a buoyant plume front due to modulation by strong diurnal wind forcing. The evolution of the coastal upwelling front, and the subsequent modulation of background environmental conditions, is examined using both individual events and composite day averages. We demonstrate that …

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Animals And African Ethics, Luis Cordeiro-Rodrigues Mar 2016

Animals And African Ethics, Luis Cordeiro-Rodrigues

Between the Species

This article is a book review of the book Animals and African Ethics by Kai Horsthemke. I argue this is a brilliant book that gives a clear overview of how Africans see animals. However, I also contend that Horsthemke could have had a more charitable approach to African ideas and explore how an African theory of animal rights can be built upon this.

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Executive Committee - Meeting Minutes, 3/29/2016, Academic Senate Mar 2016

Executive Committee - Meeting Minutes, 3/29/2016, Academic Senate

Academic Senate Minutes

No abstract provided.

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Executive Committee - Agenda, 3/29/2016, Academic Senate Mar 2016

Executive Committee - Agenda, 3/29/2016, Academic Senate

Academic Senate Agendas

No abstract provided.

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You Can’T Buy Your Way Out Of Veganism, Bob Fischer Mar 2016

You Can’T Buy Your Way Out Of Veganism, Bob Fischer

Between the Species

Let’s make three assumptions. First, we shouldn’t support factory farms. Second, if animal-friendly agriculture lives up to its name—that is, if animals live good lives (largely free of pain, able to engage in species-specific behaviors, etc.) and are slaughtered in a way that minimizes suffering—then there is nothing intrinsically wrong with killing them for food. Third, animal-friendly agriculture does, in fact, live up to its name. Given these assumptions, it might seem difficult to criticize individuals who source their animal products from “animal-friendly agricultural operations. However, I argue that they should drastically reduce their support for animal-friendly agriculture because it …

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A Fast High-Precision Six-Degree-Of-Freedom Relative Position Sensor, Gary B. Hughes, Van P. Macasaet, Janelle Griswold, Claudia A. Sison, Philip Lubin, Peter Meinhold, Johnathan Suen, Travis Brashears, Qicheng Zhang, Jonathan Madajian Mar 2016

A Fast High-Precision Six-Degree-Of-Freedom Relative Position Sensor, Gary B. Hughes, Van P. Macasaet, Janelle Griswold, Claudia A. Sison, Philip Lubin, Peter Meinhold, Johnathan Suen, Travis Brashears, Qicheng Zhang, Jonathan Madajian

Statistics

Lasers are commonly used in high-precision measurement and profiling systems. Some laser measurement systems are based on interferometry principles, and others are based on active triangulation, depending on requirements of the application. This paper describes an active triangulation laser measurement system for a specific application wherein the relative position of two fixed, rigid mechanical components is to be measured dynamically with high precision in six degrees of freedom (DOF). Potential applications include optical systems with feedback to control for mechanical vibration, such as target acquisition devices with multiple focal planes. The method uses an array of several laser emitters mounted …

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Internal Bore Seasonality And Tidal Pumping Of Subthermocline Waters At The Head Of The Monterey Submarine Canyon, Ryan K. Walter, P. Joe Phelan Mar 2016

Internal Bore Seasonality And Tidal Pumping Of Subthermocline Waters At The Head Of The Monterey Submarine Canyon, Ryan K. Walter, P. Joe Phelan

Physics

This study utilizes more than a year of observations made in shallow waters (~30 m) at the head of the Monterey Submarine Canyon to assess variability in the physical environment and internal bore field. The interaction of the internal tide with the canyon rim results in a semidiurnal tidal period pumping of cold–water masses (subthermocline waters) onto the adjacent shelf (i.e., internal bores). These internal bores are shown to be significantly coherent with the local sea surface height with minimal spatial variability when comparing two sites near the canyon head region. During the summer months, and periods of strong regional …

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Common Arguments For The Moral Acceptability Of Eating Meat: A Discussion For Students, Dan Lowe Mar 2016

Common Arguments For The Moral Acceptability Of Eating Meat: A Discussion For Students, Dan Lowe

Between the Species

This paper is a teaching tool which instructors of animal ethics may assign to students to help them evaluate those students’ most frequent arguments for the moral acceptability of eating meat. Specifically, the paper examines (and finds inadequate) the arguments that eating meat is morally acceptable because it is (1) historically widespread, (2) necessary, and (3) natural. The aim of discussing these arguments is to pave the way for a more fruitful and focused discussion of the canonical texts of the animal ethics literature.

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Orbital Simulations On Deflecting Near Earth Objects By Directed Energy, Qicheng Zhang, Kevin J. Walsh, Carl Melis, Gary Hughes, Philip M. Lubin Mar 2016

Orbital Simulations On Deflecting Near Earth Objects By Directed Energy, Qicheng Zhang, Kevin J. Walsh, Carl Melis, Gary Hughes, Philip M. Lubin

Statistics

Laser ablation of a near-Earth object (NEO) on a collision course with Earth produces a cloud of ejecta that exerts a thrust on the NEO, deflecting it from its original trajectory. Ablation may be performed from afar by illuminating an Earth-targeting asteroid or comet with a stand-off "DE-STAR" system consisting of a large phased-array laser in Earth orbit. Alternatively, a much smaller stand-on "DE-STARLITE" system may travel alongside the target, slowly deflecting it from nearby over a long period. This paper presents orbital simulations comparing the effectiveness of both systems across a range of laser and NEO parameters. Simulated parameters …

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As-811-16 Resolution To Add The Function Of Task Forces, Academic Senate Executive Committee Mar 2016

As-811-16 Resolution To Add The Function Of Task Forces, Academic Senate Executive Committee

Academic Senate Resolutions

Clarifies the function of task forces

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Academic Senate - Agenda, 3/8/2016, Academic Senate Mar 2016

Academic Senate - Agenda, 3/8/2016, Academic Senate

Academic Senate Agendas

No abstract provided.

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Academic Senate - Meeting Minutes, 3/8/2016, Academic Senate Mar 2016

Academic Senate - Meeting Minutes, 3/8/2016, Academic Senate

Academic Senate Minutes

No abstract provided.

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The Prenatal Environment In Twin Studies: A Review On Chorionicity, Kristine Marceau, Minni T.B. Mcmaster, Taylor F. Smith, Joost G. Daams, Catharina E.M. Van Beijsterveldt, Dorret I. Boomsma, Valerie S. Knopik Mar 2016

The Prenatal Environment In Twin Studies: A Review On Chorionicity, Kristine Marceau, Minni T.B. Mcmaster, Taylor F. Smith, Joost G. Daams, Catharina E.M. Van Beijsterveldt, Dorret I. Boomsma, Valerie S. Knopik

Psychology and Child Development

A literature search was conducted to identify articles examining the association of chorionicity (e.g., whether twins share a single chorion and thus placenta or have separate chorions/placentas) and genetics, psychiatry/behavior, and neurological manifestations in humans twins and higher-order multiples. The main aim was to assess how frequently chorionicity has been examined in relation to heritability estimates, and to assess which phenotypes may be most sensitive to, or affected by, bias in heritability estimates because of chorionicity. Consistent with the theory that some chorionicity effects could lead to overestimation and others to underestimation of heritability, there were instances of each across …

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Learning By Teaching In Rwanda: Alumnus Michael Heater Takes Planning Knowledge To A Rural Village, Paul Donegan Mar 2016

Learning By Teaching In Rwanda: Alumnus Michael Heater Takes Planning Knowledge To A Rural Village, Paul Donegan

Focus

MCRP Alumnus Michael Heater is exemplary in combining CRP’s practical community-oriented approach with the planning profession’s noble mission of helping populations in need. For the last couple of years, Michael and his wife GraceAnne have been working as Peace Corps volunteers, making sure that they make a difference in a small village in Rwanda.

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Orbital Simulations On Deflecting Near-Earth Objects By Directed Energy, Qicheng Zhang, Kevin J. Walsh, Carl Melis, Gary B. Hughes, Philip M. Lubin Mar 2016

Orbital Simulations On Deflecting Near-Earth Objects By Directed Energy, Qicheng Zhang, Kevin J. Walsh, Carl Melis, Gary B. Hughes, Philip M. Lubin

Statistics

Laser ablation of a Near Earth Object (NEO) on a collision course with Earth produces a cloud of ejecta which exerts a thrust on the NEO, deflecting it from its original trajectory. Ablation may be performed from afar by illuminating an Earth-targeting asteroid or comet with a stand-off “DE-STAR” system consisting of a large phased-array laser in Earth orbit. Alternatively, a much smaller stand-on “DE-STARLITE” system may travel alongside the target, slowly deflecting it from nearby over a long period. This paper presents orbital simulations comparing the effectiveness of both systems across a range of laser and NEO parameters. Simulated …

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Short Communication: Effect Of Storage Temperature On The Solubility Of Milk Protein Concentrate 80 (Mpc80) Treated With Nacl Or Kcl, V. Sikand, P.S. Tong, J. Walker, T. Wang, L.E. Rodriguez-Saona Mar 2016

Short Communication: Effect Of Storage Temperature On The Solubility Of Milk Protein Concentrate 80 (Mpc80) Treated With Nacl Or Kcl, V. Sikand, P.S. Tong, J. Walker, T. Wang, L.E. Rodriguez-Saona

Dairy Science

A previous study in our laboratory showed that addition of 150 mM NaCl or KCl into diafiltration water improved the solubility of freshly made milk protein concentrate 80 (MPC80). In the present study, the objectives were (1) to evaluate the solubility of NaCl- or KCl-treated MPC80 samples kept at varying temperatures and then stored for extensive periods at room temperature (21°C ± 1°C); and (2) to determine if MPC80 samples stored at different temperatures and protein conformation can be grouped or categorized together. Freshly manufactured MPC80 samples were untreated (control), processed with NaCl, or processed with KCl. One set …

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T6ss Expression Of Vibrio Parahaemolyticus In Intraspecific Competition, Alex Campbell Mar 2016

T6ss Expression Of Vibrio Parahaemolyticus In Intraspecific Competition, Alex Campbell

Baker/Koob Endowments Awarded Projects

The rise of antibiotic-resistant bacteria has reached an alarming level. The recently discovered type VI secretion system (T6SS) appears to be a bacterial defense mechanism that could potentially become involved with addressing this concern. Previous studies suggest Vibrio spp. may express T6SS. In this study, Vibrio parahaemolyticus, a common foodborne pathogen, is used as a model to study T6SS. The objectives of this study were to evaluate culturing conditions that would stimulate swarming motility in strains of V. parahaemolyticus and to detect for the presence of T6SS based on phenotypic criteria. Different media (BHI, TSAS), agar concentration (0.7%, 1%, 2%) …

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Improving Signal Gain For Radio Neutrino Receivers, Alexandra Crawford Mar 2016

Improving Signal Gain For Radio Neutrino Receivers, Alexandra Crawford

Baker/Koob Endowments Awarded Projects

The chargeless, light elementary particles known as neutrinos can be used as probes of extremely energetic and explosive astrophysical objects such as supernovae and quasars. Since neutrinos are extremely rare and difficult to detect, searches for them require large detector volumes to increase the chances of detecting a signal at any one time. By utilizing the transparency of ice to radio waves, the ANtarctic Impulsive Transient Antenna (ANITA) and ExaVolt Antenna(EVA) experiments are designed to monitor over one million cubic kilometers of Antarctic ice at a time, allowing the probability of finding one to ten neutrinos perflight. An increase in …

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Solar Electric Stove Field Research In Uganda California Polytechnic State University, Christopher O'Day, Madison Fleming, Omar Arriaga, Ian Stone Mar 2016

Solar Electric Stove Field Research In Uganda California Polytechnic State University, Christopher O'Day, Madison Fleming, Omar Arriaga, Ian Stone

Baker/Koob Endowments Awarded Projects

In communities all throughout Uganda, whether it be in big cities or small villages, the most common method for cooking uses a three stone open-fire stove fueled by biomass materials (most commonly wood or charcoal). This form of cooking has caused a multitude of life-threatening respiratory problems for those in close proximity to the stoves on a daily basis. According to the World Health Organization “over 4 million people die prematurely from illness attributable to the household air pollution from cooking with solid fuels” and of those affected by indoor cooking pollution, women and children are impacted the most. During …

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Effects Of Food Consumption On Neurogenesis In Juvenile Python Regius, Stacey Habroun Mar 2016

Effects Of Food Consumption On Neurogenesis In Juvenile Python Regius, Stacey Habroun

Baker/Koob Endowments Awarded Projects

Neurogenesis is an important and vastly unexplored area in reptiles. While the ability to generate new brain cells in the adult mammalian brain is limited, reptiles are able to regenerate large populations of neuronal cells. What makes pythons a particularly interesting subject in this field is their characteristic specific dynamic action (SDA) response after food intake with an increase in metabolic rate in order to process the meal. Further, they exhibit impressive plasticity in their digestive and cardiovascular physiology due to the sheer magnitude of the increase in organ growth that occurs after a meal to allow digestion and to …

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Soil-Powered Wireless Soil Moisture Sensor, Antonio Jimenez, David Ashton, Michael Burlingame Mar 2016

Soil-Powered Wireless Soil Moisture Sensor, Antonio Jimenez, David Ashton, Michael Burlingame

Baker/Koob Endowments Awarded Projects

In this project, we designed, built, and tested a specially fabricated device that uses micro-organisms naturally found in soil to generate electricity and power wireless soil moisture sensors. These microbes live throughout all soil and sediment on the earth. Some of the particular microbe species have the unique ability to release electrons outside their bodies as part of their respiration process. The device utilizes these special microbe species in soil to generate electricity. The device is comprised of two electrodes, an anodic (noncorrosive stainless steel mesh) and a cathode (ferricyanide). The anode is placed within the mud where the electrogenic …

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Effects Of Tick Parasitism On Aggressive Behavior In Male Western Fence Lizards: Geographic Differences In Self-Assessment Capacity, Dylan M. Lanser Mar 2016

Effects Of Tick Parasitism On Aggressive Behavior In Male Western Fence Lizards: Geographic Differences In Self-Assessment Capacity, Dylan M. Lanser

Baker/Koob Endowments Awarded Projects

This grant supported research on the effect of western blacklegged ticks on their western fence lizard host’s behavior. Juvenile western blacklegged ticks, the vector of Lyme disease in California, commonly parasitize western fence lizards. Dozens of ticks may parasitize a single lizard, but what effect these ticks may exert on their host’s behavior has remained largely unexplored. This grant was applied towards this exploration, beginning with the construction of outdoor pens for housing captive lizards in suitable conditions prior to experimentation. Lizards needed to be held for several weeks to allow them to acclimate to a captive environment. Additionally, lizards …

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