title: Using the HTRC Data Capsule Model to promote reuse and evolution of experimental analysis of digital library data: a case study of topic modeling

authors: Bainbridge, David

subjects: computer science

abstract: We report on a case-study to independently reproduce the work given in a publicly available blog on how to develop a topic model sourced from a collection of texts, where both the data set and source code used are readily available. More specifically, we detail the steps necessary—and the challenges that had to be overcome—to replicate the work using the HathiTrust Research Center’s virtual machine Data Capsule platform. From this we make recommendations for authors to follow, based on the lessons learned. We also show that the Data Capsule model can be put to work in a way that is of benefit to those interested in supporting computational reproducibility within their organizations.

text: Using the HTRC Data Capsule Model to promote reuse and evolution of experimental analysis of digital library data: a case study of topic modeling We report on a case-study to independently reproduce the work given in a publicly available blog on how to develop a topic model sourced from a collection of texts, where both the data set and source code used are readily available. More specifically, we detail the steps necessary—and the challenges that had to be overcome—to replicate the work using the HathiTrust Research Center’s virtual machine Data Capsule platform. From this we make recommendations for authors to follow, based on the lessons learned. We also show that the Data Capsule model can be put to work in a way that is of benefit to those interested in supporting computational reproducibility within their organizations.

year: 2019

title: Total site heat integration: Utility selection and optimisation using cost and exergy derivative analysis

authors: Tarighaleslami, Amir Hossein

subjects: Total site heat integration

abstract: This paper presents a new Total Site Heat Integration utility temperature selection and optimisation method that can optimise both non-isothermal (e.g. hot water) and isothermal (e.g. steam) utilities. None of the existing methods addresses both non-isothermal and isothermal utility selection and optimisation incorporated in a single procedure. The optimisation affects heat recovery, the number of heat exchangers in Total Site Heat Exchanger Network, heat transfer area, exergy destruction (ED), Utility Cost (UC), Annualised Capital Cost (CC), and Total Annualised Cost (TC). Three optimisation parameters, UC, ED, and TC have been incorporated into a derivative based optimisation procedure where derivatives are minimised sequentially and iteratively based on the specified approach. The new optimisation procedure has been carried out for three different approaches as the combinations of optimisation parameters based on the created derivative map. The merits of the new method have been illustrated using three case studies. These case studies represent a diverse range of processing types and temperatures. Results for the case studies suggest the best derivative optimisation approach is to first optimise UC in combination with ED and then optimise TC. For this approach, TC reductions between 0.6 to 4.6 % for different case studies and scenarios are achieved.

text: Total site heat integration: Utility selection and optimisation using cost and exergy derivative analysis This paper presents a new Total Site Heat Integration utility temperature selection and optimisation method that can optimise both non-isothermal (e.g. hot water) and isothermal (e.g. steam) utilities. None of the existing methods addresses both non-isothermal and isothermal utility selection and optimisation incorporated in a single procedure. The optimisation affects heat recovery, the number of heat exchangers in Total Site Heat Exchanger Network, heat transfer area, exergy destruction (ED), Utility Cost (UC), Annualised Capital Cost (CC), and Total Annualised Cost (TC). Three optimisation parameters, UC, ED, and TC have been incorporated into a derivative based optimisation procedure where derivatives are minimised sequentially and iteratively based on the specified approach. The new optimisation procedure has been carried out for three different approaches as the combinations of optimisation parameters based on the created derivative map. The merits of the new method have been illustrated using three case studies. These case studies represent a diverse range of processing types and temperatures. Results for the case studies suggest the best derivative optimisation approach is to first optimise UC in combination with ED and then optimise TC. For this approach, TC reductions between 0.6 to 4.6 % for different case studies and scenarios are achieved.

year: 2017

title: A Kaupapa Māori Intervention on Apology for LDS Church's Racism, Zombie Concepts, and Moving Forward

authors: Simon, Hemopereki

abstract: This intervention paper, based on the Kaupapa Māori writing inquiry, aims to offer an alternative path forward to the idea that The Church of Jesus Christ of Latter-day Saints should apologise for its racism. It argues that an apology is redundant to the Indigenous World. The goal is for better Church-Indigenous relations in the face of racism rooted in The Book of Mormon, Church Policy, doctrine, teachings, and theology. The author develops a positionality and outlines mahi tuhituhi as a Kaupapa Māori (post) qualitative writing inquiry. The Author then moves to contextualise these issues by framing them with what sociologists describe as Zombie Concepts. A brief overview of the Book of Mormon and its significance in Mormonism is provided. Following that, an understanding of the connection between Aileen Moreton-Robinson's white possessive and Lamanitism is provided. Hagoth and his relationship with Tāngata Moana (Māori and Pacific Peoples) is then addressed. Recent remarks by Thomas Murphy to help readers understand the racism in the Book of Mormon. Other issues for Indigenous Peoples are highlighted, with an emphasis on anachronisms and the Book of Mormon's plagiarism. The investigation then shifts to provide Veracini's commentary on settling to build relationality is discussed from the viewpoint of Aotearoa New Zealand. A discussion of the issues is followed by an outline of the research's consequences, which include seven issues that need to be addressed as part of the relationality building in order to create a collaborative future values-based project to move Church-Indigenous relations forward in a positive way.

text: A Kaupapa Māori Intervention on Apology for LDS Church's Racism, Zombie Concepts, and Moving Forward This intervention paper, based on the Kaupapa Māori writing inquiry, aims to offer an alternative path forward to the idea that The Church of Jesus Christ of Latter-day Saints should apologise for its racism. It argues that an apology is redundant to the Indigenous World. The goal is for better Church-Indigenous relations in the face of racism rooted in The Book of Mormon, Church Policy, doctrine, teachings, and theology. The author develops a positionality and outlines mahi tuhituhi as a Kaupapa Māori (post) qualitative writing inquiry. The Author then moves to contextualise these issues by framing them with what sociologists describe as Zombie Concepts. A brief overview of the Book of Mormon and its significance in Mormonism is provided. Following that, an understanding of the connection between Aileen Moreton-Robinson's white possessive and Lamanitism is provided. Hagoth and his relationship with Tāngata Moana (Māori and Pacific Peoples) is then addressed. Recent remarks by Thomas Murphy to help readers understand the racism in the Book of Mormon. Other issues for Indigenous Peoples are highlighted, with an emphasis on anachronisms and the Book of Mormon's plagiarism. The investigation then shifts to provide Veracini's commentary on settling to build relationality is discussed from the viewpoint of Aotearoa New Zealand. A discussion of the issues is followed by an outline of the research's consequences, which include seven issues that need to be addressed as part of the relationality building in order to create a collaborative future values-based project to move Church-Indigenous relations forward in a positive way.

year: 2023