There has been a growing interest in utilizing geographic information systems (GIS) in the digita... more There has been a growing interest in utilizing geographic information systems (GIS) in the digital humanities and social sciences (DH). GIS-based DH projects usually emphasize spatial analysis and cartographic capability (e.g., displaying the locations of people, events, or movements), however, GIS alone cannot easily integrate multi-media components (e.g., descriptive text, photographs, digital audio and video) of DH projects. Multimedia mapping provides a unique approach to integrating geospatial information in digital map format and multimedia information, which is useful for DH integration into spatial analysis and visualization. As cartographic mapping and GIS evolve from a traditional desktop platform to the World Wide Web, it is of significance to design and develop a Web-based multimedia mapping approach that could carry out spatial analysis and incorporate multimedia components, which is greatly beneficial to the DH applications. Our objectives of the language documentation research project in Nepal were to: 1) use geo-tagging equipment to collect audio and visual recordings of three types of socio-linguistic data: language attitudes and practices interviews, free-form narratives, and elicited vocabulary and grammatical paradigm sets, from representative speakers of the four endangered languages in twenty-six Manang villages; 2) design and develop a Web-based, interactive multimedia atlas that can display data points corresponding to the speakers, links to the three types of data gathered in multimedia format, provides friendly user interface for the manipulation and spatial analysis of all the data. It is anticipated that the Web-based, interactive, and multimedia language atlas can bring all local and international stakeholders, such as the speech communities, linguists, local government agencies, and the public, together to raise awareness of language structures, language practices, language endangerment, and opportunities for preservation, all through this easy-to-use means that enhance the geo-spatial representation in engaging visual and sensory (multimedia) formats. Google Maps API and JavaScript are employed to develop this online, interactive, and multimedia language atlas.
In the U.S. state of Arizona, nearly one-third of households experienced food insecurity during t... more In the U.S. state of Arizona, nearly one-third of households experienced food insecurity during the COVID-19 pandemic, an increase from one-fourth of households before the pandemic. Previous research on food insecurity in the wake of natural and human-instigated disasters demonstrates that groups vulnerable to food insecurity before a disaster are more susceptible to food insecurity during and after that disaster; however, less is known about whether this relationship also holds true during health-related disasters, such as the COVID-19 pandemic. We explore how the COVID-19 pandemic influenced urban food insecurity patterns by analyzing the socio-demographic characteristics of food pantry clients in Maricopa County, Arizona. Using data from Phoenix Rescue Mission (PRM), a local non-profit food service provider, two binomial logistic regression models compare the socio-demographic composition of total and first-time food pantry users before and during the pandemic. In addition to an ...
International Journal of Environmental Health Research, 2020
This study aims to examine the spatially varying relationships between social vulnerability facto... more This study aims to examine the spatially varying relationships between social vulnerability factors and COVID-19 cases and deaths in the contiguous United States. County-level COVID-19 data and the Centers for Disease Control and Prevention social vulnerability index (SVI) dataset were analyzed using local Spearman's rank correlation coefficient. Results suggested that SVI and four social vulnerability themes have spatially varying relationships with COVID-19 cases and deaths, which means spatial heterogeneity is an essential factor that influences the relationship, and the strength of association varies significantly across counties. County hot spots that were subject to all four social vulnerability themes during the pandemic were also identified. Local communities and health authorities should pay immediate attention to the most influential social vulnerability factors that are dominant in their region and incorporate measures tailored to the specific groups of people who are under the greatest risk of being affected during the COVID-19 pandemic.
Journal of Geovisualization and Spatial Analysis, 2018
There has been a growing interest in utilizing geographic information systems (GIS) in the digita... more There has been a growing interest in utilizing geographic information systems (GIS) in the digital humanities and social sciences (DH). GIS-based DH projects usually emphasize spatial analysis and cartographic capability (e.g., displaying the locations of people, events, or movements), however, GIS alone cannot easily integrate multimedia components (e.g., descriptive text, photographs, digital audio, and video) of DH projects. Multimedia mapping provides a unique approach to integrating geospatial information in digital map format and multimedia information, which is useful for DH integration into spatial analysis and visualization. As cartographic mapping and GIS evolve from a traditional desktop platform to the World Wide Web, it is of significance to design and develop a Web-based multimedia mapping approach that could carry out spatial analysis and incorporate multimedia components, which is greatly beneficial to the DH applications. Our objectives of the language documentation research project in Nepal were to (1) use geo-tagging equipment to collect audio and visual recordings of three types of socio-linguistic data: language attitudes and practices interviews, free-form narratives, and elicited vocabulary and grammatical paradigm sets, from representative speakers of the four endangered languages in twenty-six Manang villages; (2) design and develop a Web-based, interactive multimedia atlas that can display data points corresponding to the speakers, links to the three types of data gathered in multimedia format, provides friendly user interface for the manipulation and spatial analysis of all the data. It is anticipated that the Web-based, interactive, and multimedia language atlas can bring all local and international stakeholders, such as the speech communities, linguists, local government agencies, and the public, together to raise awareness of language structures, language practices, language endangerment, and opportunities for preservation, all through this easyto-use means that enhance the geo-spatial representation in engaging visual and sensory (multimedia) formats. Google Maps API and JavaScript are employed to develop this online, interactive, and multimedia language atlas.
The recent proliferation of inexpensive electroencephalography (EEG) devices is fueling a rising ... more The recent proliferation of inexpensive electroencephalography (EEG) devices is fueling a rising interest in associating detectable indicators of brain activity with human performance factors. In this thesis, the focus is on programmer effort in program comprehension tasks. Traditionally, measures of effort are made using self-reported surveys (NASA-TLX), task timing, and task accuracy. This work explores the feasibility of using EEG to produce a more direct and quantitative measure of effort. Effort is measured across a number of tasks with varying difficulty and comparisons are made between traditional and EEG measures of effort. Initially, the program comprehension tasks are ranked in order of complexity as computed by a number of classic software complexity metrics, such as Halstead’s complexity metrics and McCabe’s cyclomatic complexity. Likewise, we compute a ranking of tasks based on observed effort as a basis of comparison between EEG and complexity measures
There has been a growing interest in utilizing geographic information systems (GIS) in the digita... more There has been a growing interest in utilizing geographic information systems (GIS) in the digital humanities and social sciences (DH). GIS-based DH projects usually emphasize spatial analysis and cartographic capability (e.g., displaying the locations of people, events, or movements), however, GIS alone cannot easily integrate multi-media components (e.g., descriptive text, photographs, digital audio and video) of DH projects. Multimedia mapping provides a unique approach to integrating geospatial information in digital map format and multimedia information, which is useful for DH integration into spatial analysis and visualization. As cartographic mapping and GIS evolve from a traditional desktop platform to the World Wide Web, it is of significance to design and develop a Web-based multimedia mapping approach that could carry out spatial analysis and incorporate multimedia components, which is greatly beneficial to the DH applications. Our objectives of the language documentation research project in Nepal were to: 1) use geo-tagging equipment to collect audio and visual recordings of three types of socio-linguistic data: language attitudes and practices interviews, free-form narratives, and elicited vocabulary and grammatical paradigm sets, from representative speakers of the four endangered languages in twenty-six Manang villages; 2) design and develop a Web-based, interactive multimedia atlas that can display data points corresponding to the speakers, links to the three types of data gathered in multimedia format, provides friendly user interface for the manipulation and spatial analysis of all the data. It is anticipated that the Web-based, interactive, and multimedia language atlas can bring all local and international stakeholders, such as the speech communities, linguists, local government agencies, and the public, together to raise awareness of language structures, language practices, language endangerment, and opportunities for preservation, all through this easy-to-use means that enhance the geo-spatial representation in engaging visual and sensory (multimedia) formats. Google Maps API and JavaScript are employed to develop this online, interactive, and multimedia language atlas.
In the U.S. state of Arizona, nearly one-third of households experienced food insecurity during t... more In the U.S. state of Arizona, nearly one-third of households experienced food insecurity during the COVID-19 pandemic, an increase from one-fourth of households before the pandemic. Previous research on food insecurity in the wake of natural and human-instigated disasters demonstrates that groups vulnerable to food insecurity before a disaster are more susceptible to food insecurity during and after that disaster; however, less is known about whether this relationship also holds true during health-related disasters, such as the COVID-19 pandemic. We explore how the COVID-19 pandemic influenced urban food insecurity patterns by analyzing the socio-demographic characteristics of food pantry clients in Maricopa County, Arizona. Using data from Phoenix Rescue Mission (PRM), a local non-profit food service provider, two binomial logistic regression models compare the socio-demographic composition of total and first-time food pantry users before and during the pandemic. In addition to an ...
International Journal of Environmental Health Research, 2020
This study aims to examine the spatially varying relationships between social vulnerability facto... more This study aims to examine the spatially varying relationships between social vulnerability factors and COVID-19 cases and deaths in the contiguous United States. County-level COVID-19 data and the Centers for Disease Control and Prevention social vulnerability index (SVI) dataset were analyzed using local Spearman's rank correlation coefficient. Results suggested that SVI and four social vulnerability themes have spatially varying relationships with COVID-19 cases and deaths, which means spatial heterogeneity is an essential factor that influences the relationship, and the strength of association varies significantly across counties. County hot spots that were subject to all four social vulnerability themes during the pandemic were also identified. Local communities and health authorities should pay immediate attention to the most influential social vulnerability factors that are dominant in their region and incorporate measures tailored to the specific groups of people who are under the greatest risk of being affected during the COVID-19 pandemic.
Journal of Geovisualization and Spatial Analysis, 2018
There has been a growing interest in utilizing geographic information systems (GIS) in the digita... more There has been a growing interest in utilizing geographic information systems (GIS) in the digital humanities and social sciences (DH). GIS-based DH projects usually emphasize spatial analysis and cartographic capability (e.g., displaying the locations of people, events, or movements), however, GIS alone cannot easily integrate multimedia components (e.g., descriptive text, photographs, digital audio, and video) of DH projects. Multimedia mapping provides a unique approach to integrating geospatial information in digital map format and multimedia information, which is useful for DH integration into spatial analysis and visualization. As cartographic mapping and GIS evolve from a traditional desktop platform to the World Wide Web, it is of significance to design and develop a Web-based multimedia mapping approach that could carry out spatial analysis and incorporate multimedia components, which is greatly beneficial to the DH applications. Our objectives of the language documentation research project in Nepal were to (1) use geo-tagging equipment to collect audio and visual recordings of three types of socio-linguistic data: language attitudes and practices interviews, free-form narratives, and elicited vocabulary and grammatical paradigm sets, from representative speakers of the four endangered languages in twenty-six Manang villages; (2) design and develop a Web-based, interactive multimedia atlas that can display data points corresponding to the speakers, links to the three types of data gathered in multimedia format, provides friendly user interface for the manipulation and spatial analysis of all the data. It is anticipated that the Web-based, interactive, and multimedia language atlas can bring all local and international stakeholders, such as the speech communities, linguists, local government agencies, and the public, together to raise awareness of language structures, language practices, language endangerment, and opportunities for preservation, all through this easyto-use means that enhance the geo-spatial representation in engaging visual and sensory (multimedia) formats. Google Maps API and JavaScript are employed to develop this online, interactive, and multimedia language atlas.
The recent proliferation of inexpensive electroencephalography (EEG) devices is fueling a rising ... more The recent proliferation of inexpensive electroencephalography (EEG) devices is fueling a rising interest in associating detectable indicators of brain activity with human performance factors. In this thesis, the focus is on programmer effort in program comprehension tasks. Traditionally, measures of effort are made using self-reported surveys (NASA-TLX), task timing, and task accuracy. This work explores the feasibility of using EEG to produce a more direct and quantitative measure of effort. Effort is measured across a number of tasks with varying difficulty and comparisons are made between traditional and EEG measures of effort. Initially, the program comprehension tasks are ranked in order of complexity as computed by a number of classic software complexity metrics, such as Halstead’s complexity metrics and McCabe’s cyclomatic complexity. Likewise, we compute a ranking of tasks based on observed effort as a basis of comparison between EEG and complexity measures
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