architecture.html

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    <title>Architecture for an Open Data Substrate</title>
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        <h1 id="project_title">Architecture</h1>

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        <h3>Abstractions</h3>
        <img src="images/OpenDataAbstractions.png" >
        There are two main abstractions in Open Data Solutions:
        <ul>
            <li><strong>Catalogs</strong> list datasets, visualizations and APIs.  They are generally
                where people can organize, search and browse these items.</li>
            <li><strong>Data Stores</strong> exist to store and serve-up the actual data and metadata around each
                dataset.  They are generally where people can view the contents of a dataset, and sometimes create
            visualizations and derived datasets from them.</li>
        </ul>

        Each of these abstractions need to have standard ways of interacting.

        <h3>Proposed Catalog Standards</h3>
        <p>
            Catalogs need to standardize on the following interactions:
            <ol>
                <li>Protocol and format for exposing their entries.</li>
                <li>Queries over dataset metadata.</li>
                <li>Protocols for finding changes to a catalog</li>
            </ol>
        </p>
        <h3>Proposed Data Store Standards</h3>
        <p>
            Data Stores need to standardize on the following interactions:
        <ol>
            <li>Queries over dataset contents.</li>
            <li>Protocols for finding changes to a dataset</li>
            <li>Minimum formats for exporting datasets</li>
        </ol>
        </p>


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