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\title{Supplementary Materials for: A Science Gateway Approach to Decision Support}

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\backmatter
\bmhead{Code Availability}
All computational tools and processing scripts developed for this research are publicly available on GitHub under the BSD 3-Clause license. The following repositories provide open access to the codebase:

\begin{itemize}
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\item \textbf{Cookbook Tutorial Template:} \\
\texttt{https://github.com/In-For-Disaster-Analytics/\\Cookbook-Tutorial-Template}
\item \textbf{Insanely Fast Whisper for TACC:} \\
\texttt{https://github.com/In-For-Disaster-Analytics/\\whisper-container/}
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\noindent These repositories include comprehensive documentation, installation instructions, and example workflows to facilitate reproducibility and community adoption.

\bmhead{Science Gateways Evolution Summary Table}
The science gateway community has demonstrated significant progress in providing computational access across diverse domains, with platforms such as Apache Airavata \cite{Wang2018Building}, Jupyter environments \cite{Wang2025D}, and various cloud-based solutions \cite{Cianfrocco2017COSMIC2, Collier2023Developing, Wang2018New, Sivagnanam2018Neuroscience, Smith2018PHASTA}. The summary table below provides information about the decision support capabilities demonstrated across recent science gateway implementations. Gateway implementations have shown particular strength in workflow management, modeling and simulation integration, reproducibility, and collaborative features across multiple domains. The following table highlights Science Gateway capabilities reported in the literature.  

A systematic literature search was completed based on results from the Semantic Scholar corpus using queries focused on science gateways for decision support systems in participatory computational science. The search retrieved 498 potentially relevant papers. Papers were screened using seven criteria: (1) science gateways or web-based computational platforms, (2) decision support system applications, (3) empirical evidence, (4) participatory or collaborative approaches, (5) collaborative features, (6) real-world application, and (7) high-performance or distributed computing. We made holistic judgments resulting in 40 highes-scoring papers that met inclusion criteria. Papers where full text was unavailable were removed. Thematic analysis was completed with a large language model and focused on extracting structured data from each paper on reproducible environment design, participatory science enablement, infrastructure sustainability, and real-time analytics capabilities. 

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\caption*{Survey of Science Gateway Decision Support System Capabilities}\\
\toprule
\textbf{Study Focus} & \textbf{Gateway Platform/Technology} & \textbf{Target Domain} & \textbf{DSS Capability Addressed} \\
\midrule
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\textbf{Study Focus} & \textbf{Gateway Platform and Technology} & \textbf{Target Domain} & \textbf{DSS Capability Addressed} \\
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CCS technology evaluation for decision support and risk assessment \cite{Wang2018New} & Apache Airavata, SimCCS & Carbon capture and storage & Decision support, risk assessment, stakeholder engagement \\
\midrule

Hydrological modeling for water management and climate change \cite{Dierauer2020FutureWater} & Apache Airavata, SWAT, SWATMODFLOW, RShiny & Water resources & Spatio-temporal modeling, scenario analysis, stakeholder participation \\
\midrule

Large-scale modeling/data processing in neuroscience \cite{Sivagnanam2018Neuroscience} & CIPRES software, XSEDE & Neuroscience & High-performance computing (HPC) access, collaborative modeling, tool dissemination \\
\midrule

Land management and sustainability via spatial decision support system (S-DSS) \cite{Terribile2025Moving} & HPC, datacube, GCI & Land management, sustainability & Multi-criteria DSS, transdisciplinary, open access \\
\midrule

Scalable cyberinfrastructure for research collaboration \cite{Tripathi2020Building}& Open OnDemand, XDMOD, Jupyter & Computational research & Workflow optimization, collaboration, DataOps \\
\midrule

CO2 capture/transport/storage optimization \cite{Pamidighantam2020Science} & Apache Airavata & Carbon sequestration & Integrated modeling, stakeholder platform \\
\midrule

Survey of science gateway community \cite{Lawrence2015Science} & Not specified & Multidisciplinary & Community needs, sustainability, resource access \\
\midrule

Bridging cyberinfrastructure and geographic information science \cite{Wang2009TeraGrid} & GISolve Toolkit, TeraGrid & GIScience & Distributed geoprocessing, collaborative analysis \\
\midrule

Machine learning pipeline for gravity anomaly prediction \cite{Arndt2024Science} & Python, Docker, open-source stack & Geoscience & ML explainability, reproducibility, visualization \\
\midrule

Genomics data processing for biologists \cite{Wang2018Building} & Apache Airavata, dREG, XSEDE & Genomics & User-friendly HPC, functional genomics \\
\midrule

Integration of CyberGIS and OpenTopography \cite{Padmanabhan2013Integration} & Opal toolkit, GISolve & Geospatial analysis & Data/service integration, collaborative workflows \\
\midrule

Astrophysics data integration and visualization \cite{Sciacca2013VisIVO} & WSPGRADE/gUSE, DCIs & Astrophysics & Workflow sharing, collaborative analysis \\
\midrule

Reference architecture with e-learning \cite{Pierantoni2022Toward} & MiCADO, Kubernetes, Jupyter & Plasmasphere/ionosphere/thermosphere & Cloud-based DSS, e-learning, reference architectures \\
\midrule

Reusable geospatial data building blocks \cite{Zhao2017GABBs} & HUBzero, iData, GeoBuilder & Geospatial data & Modular workflows, data management \\
\midrule

Reproducible ecosystem science workflows \cite{Guru2016Development} & Kepler, CoESRA cloud & Ecosystem science & Workflow sharing, reproducibility \\
\midrule

Spatial decision support system for mangrove inventory \cite{Tang2016cyber} & Tomcat, GeoServer, Kepler, OpenStack & Mangrove management & Fieldwork design, scenario evaluation \\
\midrule

Healthcare data management for COVID-19 \cite{Oruche2022Science} & Plug-in middleware, Vidura & Healthcare & Evidence-based filtering, chatbot support \\
\midrule

Environmental data science education \cite{McIntosh2023Cyberinfrastructure} & Public cloud virtual machines & Environmental data science & Bridging digital divide, scalable compute \\
\midrule

Image analysis for traumatic brain injury research \cite{Chard2014Cloud} & Globus Galaxies, cloud & TBI research & Pipeline assembly, reproducibility \\
\midrule

Collaborative workspace for bioscience \cite{Carmichael2010Biocompute} & Makeflow, Notre Dame Core & Bioinformatics & Workflow management, reproducibility \\
\midrule

Decentralized virtual research environment with blockchain \cite{Wang2025D} & Jupyter, Ethereum & Multidomain & Decentralized collaboration, secure sharing \\
\midrule

Milky Way analysis gateway\cite{Sciacca2017Milky} & WSPGRADE/gUSE, VLKB & Astrophysics & Parallel workflows, resource monitoring \\
\midrule

Groundwater DSS for aquifer management \cite{Cau2008web} & GRID, CODESA 3-D & Water resources & Real-time modeling, collaborative platform \\
\midrule

Fuzzy-based conversational recommender\cite{Chandrashekara2018Fuzzy} & Apache, MySQL, Dialogflow & Neuroscience & Chatbot guidance, user profiling \\
\midrule

Water science gateway for Hawaii \cite{Cleveland2018Ike} & Agave platform, Jupyter & Hydrology, multidomain & Data management, reproducible workflows \\
\midrule

Phylogenetic inference gateway \cite{Miller2010Creating} & Workflow, TeraGrid, MrBayes & Evolutionary biology & Parallelized inference, reproducibility \\
\midrule

Biomass-to-biofuel supply chain DSS \cite{Montella2015FACEIT} & GISolve, BioScope & Bioenergy & Optimization, uncertainty analysis \\
\midrule

Neuroscience gateway for modeling/data \cite{Sivagnanam2020Neuroscience} & XSEDE, cloud, GPUs & Neuroscience & Tool dissemination, ML support \\
\midrule

Computational fluid dynamics simulation gateway \cite{Smith2018PHASTA} & Apache Airavata, TACC & Computational fluid dynamics & Simulation management, reproducibility \\
\midrule

Cryo-electron microscopy structure determination \cite{Cianfrocco2017COSMIC2} & CIPRES, Globus, XSEDE & Structural biology & Workflow simplification, data transfer \\
\midrule

Food security research gateway \cite{Montella2015FACEIT} & Globus Galaxies, AWS & Crop/climate impact & Data pipelines, model intercomparison \\
\midrule

Fuzzy recommender for neuroscience science gateways & Apache, Dialogflow, CIPRES \cite{Chandrashekara2018Fuzzy} & Neuroscience & Chatbot support, workflow guidance \\
\midrule

Agent-based simulation gateway \cite{Fabiyi2016Investigating} & Liferay, Catania grid & Epidemiology & Simulation access, e-Infrastructure \\
\midrule

nanoHUB for nanotechnology & HUBzero \cite{Zentner2016nanoHUB} & Nanotechnology & Community engagement, education \\

\bottomrule

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