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Spad Camera Image Analysis, Pratheen Reddy Pininti May 2026

Spad Camera Image Analysis, Pratheen Reddy Pininti

Electronic Theses and Dissertations 2020 - Present

I present a thorough noise characterization of the Canon MS-500, a Single-Photon Avalanche Diode (SPAD) camera system, tested under both lit and dark conditions. The camera outputs 10-bit digital number (DN) values produced by an internal processing pipeline whose design is not publicly documented. All analyses in this thesis therefore describe the camera’s DN output — the signal that any downstream detection, tracking, or classification system will actually receive — rather than the photon-counting statistics of the underlying SPAD array. All computations were performed on the native 10-bit data. Where a measured quantity has a known photon-counting analog, the relationship …

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Social Prescribing For Refugee Populations: A Rapid Realist Review Of International Evidence, Victoria Touzel, Doreen Reifegerste, Luisa Bartz, Anna-Lena Esser, Kerryn Husk May 2026

Social Prescribing For Refugee Populations: A Rapid Realist Review Of International Evidence, Victoria Touzel, Doreen Reifegerste, Luisa Bartz, Anna-Lena Esser, Kerryn Husk

Peninsula Medical School

BackgroundSocial prescribing offers potential for addressing social determinants of health and supporting health equity among disadvantaged groups. However, evidence for refugee populations remains limited, despite this group facing profound social and systemic barriers. This rapid realist review synthesizes social prescribing and comparable social-capital based intervention evidence to address this gap.MethodsWe conducted a RAMESES-compliant rapid realist review supported by an expert advisory board. Searches across six databases (2014–2024) were supplemented by grey literature and citation chasing strategies. Eligible studies included refugee, asylum-seekers and forcibly displaced populations engaged in either formal social prescribing or comparably operationalized social-capital interventions. Synthesis developed Context-Mechanism-Outcome configurations …

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Greedy Algorithms And Matroids, Kiri M. Strack May 2026

Greedy Algorithms And Matroids, Kiri M. Strack

LSU Master's Theses

In a connected graph with weights on the edges, a minimum-weight spanning tree can be obtained by repeatedly choosing minimum-weight edges while avoiding choosing the edge set of any cycle. This algorithm is known as Kruskal’s Algorithm, although it was first introduced by Boruvka in 1926. Prim introduced an alternative algorithm in which, at each step, the chosen set of edges forms a connected graph. Both of these algorithms make locally optimal choices that eventually yield a global optimum. This thesis considers how these algorithms can be extended to matroids. In particular, it is shown that matroids are exactly the …

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An Analysis Of Web-Based Languange Learning On Students Speaking Anxiety, Alfi Syahrina, Zarfina Yenti, Monalisa Monalisa May 2026

An Analysis Of Web-Based Languange Learning On Students Speaking Anxiety, Alfi Syahrina, Zarfina Yenti, Monalisa Monalisa

Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan

This study explores the use of Duolingo as a web-based language learning tool and its influence on students’ speaking anxiety at MTs Nurul Falah Kota Jambi. Speaking anxiety remains a significant affective barrier in English as a Foreign Language (EFL) learning, particularly in traditional classroom settings where students often experience communication apprehension, fear of negative evaluation, and test anxiety. Employing a qualitative case study design, this research involved approximately 15 students who had used Duolingo for at least six weeks, along with one English teacher for triangulation. Data were collected through semi-structured interviews and classroom observations and analyzed using thematic …

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Nature Writing As A Bridge To Student Scientific Interest, Christine Mcgrail, John Kudukey, Colette Smith, Fnu Dharma May 2026

Nature Writing As A Bridge To Student Scientific Interest, Christine Mcgrail, John Kudukey, Colette Smith, Fnu Dharma

The Cicadian

Nature writing is an important pathway for preservice teachers’ engagement with science that can help more students recognize themselves as knowers and doers of science and better connect them and their students to the world around them. Nature writing allows all students, including those from non-dominant cultural backgrounds, to include their experiences and backgrounds in their science education. Nature writing also affords all students an opportunity to better understand the natural world they are a part of. Nature writing is typically written in first person and characterized as scientific observation of the natural world through a personal reflective lens. In …

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Badlands And Bison, Andrew Ressler May 2026

Badlands And Bison, Andrew Ressler

The Cicadian

“Badlands and Bison” is a fragmentary travel-fiction hybrid set in the mythic badlands of North Dakota. It merges reportage with invention, parody with elegy: a narrator half pilgrim, half comedian drifts from piano keys to prairie herds, searching for sincerity in a landscape that resists it. The form bends between essay and story, using humor, lyric observation, and shifting registers to question how we mythologize place.

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Private Assistant Agent, Bao Le '26 May 2026

Private Assistant Agent, Bao Le '26

Senior Scholarly and Creative Symposium

Our brain has limited fuel: every time we make a decision, it costs fuel. A Personal Artificial Assistant will help preserve that fuel by handling secretarial tasks and scheduling a daily timetable for its user. Personal Assistant Agent (PAA) is an AI assistant running as a text-based Windows desktop application to help users in scheduling and give reminders like a secretary. Users interact with the PAA conversationally. This project is a system of reasoning and a modular memory pipeline that makes any Large Language Model (LLM) behave like a personal assistant. The Language model is isolated inside a function to …

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Hormonal Seed Primimg As A Sustainable Alternative To Pesticides, Oyekemi Oyetoro, Swayamjit Ray May 2026

Hormonal Seed Primimg As A Sustainable Alternative To Pesticides, Oyekemi Oyetoro, Swayamjit Ray

Research and Creative Works Expo

This study investigates the use of hormonal seed priming with Methyl Jasmonate (MeJA) and Methyl Salicylic Acid (MeSA) as a sustainable alternative to synthetic pesticides. By inducing Systemic Acquired Resistance (SAR) and Induced Systemic Resistance (ISR), these treatments aim to prepare plant defenses for rapid response to future herbivory with reduced reliance on chemical applications. The research specifically explores the growth-defense trade off, evaluating how various hormonal concentrations impact both pest resistance and seedling vigor. The findings identify optimal priming protocols that balance robust protection against herbivores with the maintenance of primary vegetative growth

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High-Frequency Vr-Native Eye Tracking: From Data Collection To Machine Learning Models, Meherun Nesa Shraboni, Aryabrata Basu May 2026

High-Frequency Vr-Native Eye Tracking: From Data Collection To Machine Learning Models, Meherun Nesa Shraboni, Aryabrata Basu

Research and Creative Works Expo

No abstract provided.

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Brine Solidification And Metals Sequestration Using Lignocellulosics, Frank Kvietok May 2026

Brine Solidification And Metals Sequestration Using Lignocellulosics, Frank Kvietok

World of Coal Ash Proceedings

Coal ash has historically been used as a convenient, on-site solidification material for brines generated from flue gas desulfurization at power plants. As alternate utilization scenarios are developed for coal ash, lignocellulosic (wood-based) sorbents can serve as a highly efficient substitute for the solidification process. Results will be shared for a variety of different brine types: thermally reduced, thermally reduced and neutralized, and reverse osmosis. In addition to solidification performance, which demonstrated a 3-4x mass of liquid vs mass of sorbent factor, studies were conducted to quantify the strength of binding to the wood-based sorbent for a broad range of …

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Practical Guidelines For Pump Testing Of Ccr: Workflow, Design, And Lessons Learned., Nathanial Keller, Brian Hennings, Vic Modeer, Katie Moran May 2026

Practical Guidelines For Pump Testing Of Ccr: Workflow, Design, And Lessons Learned., Nathanial Keller, Brian Hennings, Vic Modeer, Katie Moran

World of Coal Ash Proceedings

This session presents a streamlined approach for pump testing of coal combustion residuals (CCR) to maximize hydraulic information with limited well installations, variable pumping rates, and short tests. Pre-test forward modeling identifies well offsets (typically 5–10 ft) and test durations (~2–6 hours) to yield measurable and analyzable drawdown at observation wells despite low pumping rates. Field execution consists of short step-drawdown testing to evaluate well specific capacity and select pumping rates for a constant rate test with one or more observation wells. Test results facilitate analysis of transmissivity and storativity of the CCR. Applied at two Midwestern sites with different …

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Simplified Approximate Procedure For Assessing The Implications Of Updated Usgs Seismic Hazard Models On Seismic Stability Assessments Of Ccr Impoundment Facilities, Nick Mcclung, Matt Bishop, Adrian Pena-Iguaran, Seda Gokyer-Erbis May 2026

Simplified Approximate Procedure For Assessing The Implications Of Updated Usgs Seismic Hazard Models On Seismic Stability Assessments Of Ccr Impoundment Facilities, Nick Mcclung, Matt Bishop, Adrian Pena-Iguaran, Seda Gokyer-Erbis

World of Coal Ash Proceedings

Selection of appropriate seismic design ground motions remains a key challenge for seismic stability assessments of coal combustion residual (CCR) impoundment facilities, particularly where regulatory guidance does not specify a required hazard model. This paper examines the implications of using Uniform Hazard Spectra (UHS) derived from the 2014 versus the 2018 U.S. Geological Survey (USGS) National Seismic Hazard Model (NSHM) for seismic amplification and stability evaluations of the Tennessee Valley Authority (TVA) Widows Creek Fossil (WCF) Plant CCR Management Units. The 2018 NSHM incorporates updated understanding of seismicity in the central and eastern United States and generally predicts higher ground …

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Integrating Advanced Geochemical Workflows With Modern Statistical Tools To Improve The Decision-Making Process At Ccr Sites, A Case Study, Glenna Thomas May 2026

Integrating Advanced Geochemical Workflows With Modern Statistical Tools To Improve The Decision-Making Process At Ccr Sites, A Case Study, Glenna Thomas

World of Coal Ash Proceedings

While statistical assessment provides the foundation for CCR compliance reporting, incorporating a holistic geochemical framework transforms statistics from a compliance requirement into a powerful predictive tool. Strategic geochemical insight established the basis of understanding needed to support successful statistical approaches and to ensure that statistical outcomes reflect actual groundwater behavior. Whether it is trend analysis, delineating source mechanism, or updating geochemical conceptual site models (GCMs), geochemical context provides the technical foundations for statistical outputs and methods. A continuously refined GCSM enhances the ability to anticipate how groundwater chemistry should evolve, improving interpretation and predictive capability. This allows practitioners to understand …

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Before The Limit Hits: Lessons From A Proactive Construction Air Monitoring Program, Brian Egan, Nicholas Golden, Wendy Depp May 2026

Before The Limit Hits: Lessons From A Proactive Construction Air Monitoring Program, Brian Egan, Nicholas Golden, Wendy Depp

World of Coal Ash Proceedings

This presentation describes a comprehensive air monitoring program designed to protect workers and nearby neighborhoods during ash pond closure work. The program uses three main components: project (or boundary) monitoring at the site perimeter to track dust near the project boundaries, work area monitoring placed near active construction zones, and personal sampling on individual workers at regular intervals. Together, these approaches provide data on both community impacts and worker exposures, helping the team respond quickly when levels approach action limits. The Teams actions prior to exceedance of regulatory limits has helped prevent exposures. The talk will explain how monitors are …

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Monitored Natural Attenuation Evaluation And Additional Characterization Of A Ccr Unit Lithium Groundwater Plume, Matt Barickman, Adam Piestrzeniewicz Pg May 2026

Monitored Natural Attenuation Evaluation And Additional Characterization Of A Ccr Unit Lithium Groundwater Plume, Matt Barickman, Adam Piestrzeniewicz Pg

World of Coal Ash Proceedings

Monitored Natural Attenuation (MNA) refers to the reliance on natural attenuation processes (within the context of a carefully controlled and monitored site cleanup approach) to meet groundwater protection standards (GPS) for a CCR unit within a reasonable time frame (USEPA, 1999). MNA is being evaluated as an adaptive management strategy for a CCR unit groundwater plume with statistically significant lithium concentrations above GPS, though with little risk of offsite migration. A previous MNA evaluation was performed for the lithium plume following the United States Environmental Protection Agency (USEPA) “tiered lines of evidence approach” (USEPA, 2015), which determined that there were …

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Emerging Warfare Dynamics In The Algorithmic Age—Artificial Intelligence, Mass, And Deception In Systemic Conflict, Jonathan Compton May 2026

Emerging Warfare Dynamics In The Algorithmic Age—Artificial Intelligence, Mass, And Deception In Systemic Conflict, Jonathan Compton

Naval War College Review

The rapid proliferation of artificial intelligence and autonomous systems in both the United States and the People’s Republic of China is having a critical impact on the shape of future warfare. Shifting away from the traditional battlefield, technological advances redirect targeting focus from tanks and aircraft toward critical nodes across entire societal frameworks.

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Spring 2026 Full Issue, The U.S. Naval War College May 2026

Spring 2026 Full Issue, The U.S. Naval War College

Naval War College Review

No abstract provided.

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Establishing Groundwater Monitoring Systems Under The Legacy Rule: A Systematic Approach For Utilities, Chris Hoglund May 2026

Establishing Groundwater Monitoring Systems Under The Legacy Rule: A Systematic Approach For Utilities, Chris Hoglund

World of Coal Ash Proceedings

The USEPA’s Legacy CCR Rule introduces new requirements for establishing groundwater monitoring systems at Legacy Surface Impoundments (LSIs) and Coal Combustion Residual Management Units (CCRMUs). These requirements present unique challenges for electric utilities, particularly at inactive or historically operated facilities where subsurface data are limited and CCR units may have nontraditional configurations such as linear roadways, elongated embankments, or distributed disposal areas. Utilities must also determine how best to apply single-unit or multi-unit monitoring approaches, integrate newly regulated units into existing monitoring networks, and align monitoring system design with planned closure strategies. This presentation outlines a systematic, defensible framework to …

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Risk Evaluation Of Linear Coal Combustion Residual Management Unit (Ccrmu) Fills, Qian Zhang, Andrew Bittner, John Kondziolka, Masoud Arshadi May 2026

Risk Evaluation Of Linear Coal Combustion Residual Management Unit (Ccrmu) Fills, Qian Zhang, Andrew Bittner, John Kondziolka, Masoud Arshadi

World of Coal Ash Proceedings

In 2024, the US Environmental Protection Agency (US EPA) established new regulations for coal combustion residual management units (CCRMUs), defined as coal combustion residual (CCR) deposits placed on power plant properties outside of landfills or surface impoundments. US EPA supported the rulemaking with modeling-based risk analyses and established regulatory requirements based on fill size. Linear CCRMU, such as backfill along pipelines or haul roads, have individual segments that may be composed of a small amount of mass below the threshold for regulation, but the cumulative mass over the full linear feature extent may exceed regulatory thresholds. This study applies US …

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Application Of Mine Tailings Flow Failure Assessment On Ccr, Zachary Fallert May 2026

Application Of Mine Tailings Flow Failure Assessment On Ccr, Zachary Fallert

World of Coal Ash Proceedings

A new geotechnical stability analysis method has been implemented for a CCR surface impoundment to aid in design for temporary cut slopes and final closure grades. Conditions have come to light after significant tailings dam failures occurred across the globe, specifically those exhibiting flow failures (i.e. failures in which tailings behave a liquid and flow out of the facility). These failures have come under intense scrutiny as the failures pose significant risk to public safety and the environment and have been observed in CCR. Additionally, static liquefaction has arisen as another potential but less well understood causative mechanism. As the …

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Lessons Learned: Commissioning An Fgd Wastewater Treatment System, Bella Triolet, Mckale Grant, Louis Manigault May 2026

Lessons Learned: Commissioning An Fgd Wastewater Treatment System, Bella Triolet, Mckale Grant, Louis Manigault

World of Coal Ash Proceedings

Stantec recently supported commissioning a flue gas desulfurization (FGD) Wastewater Treatment System in accordance with the 2020 Environmental Protection Agency (EPA) Effluent Limitations Guidelines (ELG) Rule, which requires that coal fired power plants meet their more stringent requirements by December 31, 2025. With the addition of the 2024 EPA ELG Rule, coal fired power plants will now be expected to move to zero liquid discharge (ZLD) systems or permanently cease coal combustion by 2034. Due to this change, it is likely that coal fired power plants will be looking to design and install ZLD systems within the next decade. While …

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Risk Evaluation Of Linear Coal Combustion Residual Management Unit (Ccrmu) Fills, Qian Zhang, Andrew Bittner, John Kondziolka, Masoud Arshadi May 2026

Risk Evaluation Of Linear Coal Combustion Residual Management Unit (Ccrmu) Fills, Qian Zhang, Andrew Bittner, John Kondziolka, Masoud Arshadi

World of Coal Ash Proceedings

In 2024, the US Environmental Protection Agency (US EPA) established new regulations for coal combustion residual management units (CCRMUs), defined as coal combustion residual (CCR) deposits placed on power plant properties outside of landfills or surface impoundments. US EPA supported the rulemaking with modeling-based risk analyses and established regulatory requirements based on fill size. Linear CCRMU, such as backfill along pipelines or haul roads, have individual segments that may be composed of a small amount of mass below the threshold for regulation, but the cumulative mass over the full linear feature extent may exceed regulatory thresholds. This study applies US …

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Site Characterization, Design, Permitting, And Construction For Clean Closure Of A Small But Challenging Legacy Ccr Disposal Impoundment, John Garten, Bob Baker, Lee Lenhart May 2026

Site Characterization, Design, Permitting, And Construction For Clean Closure Of A Small But Challenging Legacy Ccr Disposal Impoundment, John Garten, Bob Baker, Lee Lenhart

World of Coal Ash Proceedings

The Lay of Land Area (LOLA) is a 10-acre (40,468 square meters) legacy disposal impoundment containing approximately 55,000 cubic yards (42,000 cubic meters) of sluiced coal combustion residuals (CCRs) produced during startup operations of a former fossil plant. Most of its perimeter is bounded by water, with a river to the north and a cooling water lake to the south. The entire area lies within a 100-year floodplain, is heavily forested, and groundwater is typically encountered within a few feet of the existing ground surface. As part of an overall CCR closure-by-removal and ash beneficiation program, planning, design, permitting, and …

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Trimble County Pond Closures, Steven Turner, Shanti Montgomery May 2026

Trimble County Pond Closures, Steven Turner, Shanti Montgomery

World of Coal Ash Proceedings

The Trimble County Closure Project is a 5-year project to close the 40-acre (161,900 square meters) Gypsum Storage Pond (GSP) through closure-by-removal and the 100-acre (404,700 square meters) Bottom Ash Pond (BAP) through closure-in-place in accordance with coal combustion residual (CCR) Rule. The excavated gypsum from the GSP was “Beneficially Reused” to fill the BAP to the prescribed grade for drainage through a monitored outfall to the adjacent creek. The daily plant produced CCRs of fly ash, bottom ash, and gypsum were also used for four years to supplement the filling of the BAP as well as several onsite soil/rock …

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Building Better Partnerships: Design-Build Lessons From The Ash Pond Closure Front Lines, Brian Egan, Nicholas Golden, Mark Edlebeck May 2026

Building Better Partnerships: Design-Build Lessons From The Ash Pond Closure Front Lines, Brian Egan, Nicholas Golden, Mark Edlebeck

World of Coal Ash Proceedings

This presentation shares lessons learned on an ash pond dig-and-haul project delivered by a design-build team with CTI providing engineering and Fisher Contracting delivering construction services. CTI and Fisher Contracting will discuss how they formed their partnership, what makes a good teaming arrangement work, and the challenges that come with working closely together. This team has worked side by side from early design through construction, which has helped cut costs and keep the project on schedule. The talk will show how the partners divide tasks, then adjust roles as needed instead of locking into a fixed plan. In some cases, …

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Dewatering System Operations And Modeling Of A Bottom Ash Ccr Surface Impoundment, Craig Schuettpelz, Todd Stong, Ben Sieren May 2026

Dewatering System Operations And Modeling Of A Bottom Ash Ccr Surface Impoundment, Craig Schuettpelz, Todd Stong, Ben Sieren

World of Coal Ash Proceedings

Dewatering of coal combustion residual (CCR) surface impoundments is a technically challenging item for sites with CCR units at closure. Generation has ceased at this site where fly ash was mostly sold for beneficial use and bottom ash was sluiced to composite-lined CCR surface impoundments to passively drain prior to landfilling. During site closure and restoration, bottom ash and relatively minor amounts of other permitted waste materials were consolidated into the site’s landfill and bottom ash impoundment. The bottom ash impoundment entered closure 5 years ago with installation of a final cover system and construction of a sump to allow …

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A Doubly Stochastic Model Of Government Interventions To Preserve Ecosystems Services In The Context Of Large-Scale Industrial Agriculture, Karma Brame, Wendy Calderon, Kaylee Clark, Josh Hiller, Natalia Negrete May 2026

A Doubly Stochastic Model Of Government Interventions To Preserve Ecosystems Services In The Context Of Large-Scale Industrial Agriculture, Karma Brame, Wendy Calderon, Kaylee Clark, Josh Hiller, Natalia Negrete

Spora: A Journal of Biomathematics

Deforestation, driven by industrial agriculture and cattle farming, has significantly impacted communities and ecosystems across the globe. In this paper, we develop a discrete-time Markov model to evaluate the effectiveness of market-based interventions, such as payments for ecosystem services (PES) and taxes, in addressing forest loss within the context of large-scale agriculture. Specifically, we focus on how commodity price variability influences deforestation decisions. To model these price fluctuations, we represent agricultural prices as geometric Brownian motion (GBM). By linking commodity price dynamics to land use transitions, our model aims to provide insight into how financial mechanisms can slow or stop …

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Illinois Coal Ash Impoundment Assessment, Randy Locke May 2026

Illinois Coal Ash Impoundment Assessment, Randy Locke

World of Coal Ash Proceedings

Coal combustion residuals (CCR) present one of the most significant waste management challenges in the United States. Illinois hosts 72 coal ash impoundments at 23 facilities across 22 counties. In 2019, the state enacted Public Act 101 0171 (Coal Ash Pollution Prevention Act), followed by Illinois Administrative Code Title 35, Part 845, establishing CCR surface impoundment standards. Even with federal and state requirements, significant gaps remain in identifying management options and site-specific risks. Key limitations include: (1) incomplete understanding of ash composition and variability within and among impoundments; and (2) fragmented information on impoundment physical properties, operational status, and geological …

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Response Surface Modelling And Multi-Objective Optimisation Of Asphalt Binder And Mixture Properties Modified With Reclaimed Automotive Lubricants And Waste Glass Bottle Powder, Nura Shehu Aliyu Yaro, Jacob Adedayo Adedeji, Luvuno Nkosinathi Jele, Nasir Khan, Aliyu Usman, Jacob Olumuyiwa Ikotun May 2026

Response Surface Modelling And Multi-Objective Optimisation Of Asphalt Binder And Mixture Properties Modified With Reclaimed Automotive Lubricants And Waste Glass Bottle Powder, Nura Shehu Aliyu Yaro, Jacob Adedayo Adedeji, Luvuno Nkosinathi Jele, Nasir Khan, Aliyu Usman, Jacob Olumuyiwa Ikotun

Journal of Sustainable Construction Materials and Technologies

Large volumes of reclaimed automotive lubricant (RAL) and waste glass bottle powder (WGBP) are disposed of inappropriately, causing serious environmental concerns. Furthermore, the paradigm shift towards sustainability in the pavement industry has prompted academics to investigate alternatives to conventional materials. As a result, one possible approach is to use these waste products as alternative materials in the asphalt pavement sector. This study investigated the combined use of RAL and WGBP as complementary modifiers, extending beyond the conventional single-modifier approaches reported in previous studies. Thus, in this study, response surface methodology (RSM) was utilised to optimise and predict the synergistic effects …

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Knowledge Tokens For Multi-Dimensional Epistemic Representation In Ai Systems, Johny Manuel-Devadoss, Deepthi Prasad May 2026

Knowledge Tokens For Multi-Dimensional Epistemic Representation In Ai Systems, Johny Manuel-Devadoss, Deepthi Prasad

Defensive Publications Series

We propose a framework that replaces scalar confidence estimates in AI outputs with structured, multi-dimensional representations termed knowledge tokens. Each token encodes orthogonal epistemic attributes including provenance weight, empirical grounding, consensus density, and temporal freshness. Unlike conventional probabilistic confidence scores, knowledge tokens provide composable, inspectable, and tradeable representations of informational quality. This enables downstream systems to reason not only about likelihood but about the structure and reliability of knowledge itself. We formalize the representation, integration into model architectures, training objectives, and evaluation methodologies, and outline how such tokens enable new forms of reasoning, aggregation, and economic exchange over knowledge.

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