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<li class="toctree-l3"><a class="reference internal" href="comparison/social/xmpp.html">XMPP</a></li>
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<li class="toctree-l3"><a class="reference internal" href="comparison/ld/webid.html">WebID</a></li>
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<li class="toctree-l1"><a class="reference internal" href="out_of_scope.html">Out of Scope</a></li>
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<p class="caption" role="heading"><span class="caption-text">Protocol</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="definitions.html">1. Definitions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="protocol.html">2. Protocol</a></li>
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<li class="toctree-l1"><a class="reference internal" href="identity.html">3. Identity</a></li>
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<li class="toctree-l1"><a class="reference internal" href="discovery.html">4. Discovery</a></li>
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<li class="toctree-l1"><a class="reference internal" href="evolvability.html">11. Evolvability</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">Ecosystem</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="triplets.html">Triplets</a></li>
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<li class="toctree-l2"><a class="reference internal" href="codecs/hdf5.html">HDF5</a></li>
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</ul>
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<li class="toctree-l1"><a class="reference internal" href="translation/index.html">Translation</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">Drafting</span></p>
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<ul class="current">
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<li class="toctree-l1"><a class="reference internal" href="design.html">Design Decisions</a></li>
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<li class="toctree-l1 current current-page"><a class="current reference internal" href="#">Sketchpad</a></li>
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<p class="caption" role="heading"><span class="caption-text">Meta</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="genindex.html">Index</a></li>
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<li class="toctree-l1"><a class="reference internal" href="references.html">References</a></li>
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<li class="toctree-l1"><a class="reference internal" href="todo.html">TODO</a></li>
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</ul>
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<article role="main">
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<section id="sketchpad">
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<h1>Sketchpad<a class="headerlink" href="#sketchpad" title="Permalink to this heading">#</a></h1>
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<section id="system-components">
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<h2>System Components<a class="headerlink" href="#system-components" title="Permalink to this heading">#</a></h2>
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<p>Strictly schematic and keeping track of different pieces. Not indicative of code structure and definitely not final</p>
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<div class="mermaid">
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graph
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subgraph data
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direction TB
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Schema
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Triples
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Translation
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Codec
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end
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Schema -->|Models| Triples
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Codec <-->|Read/Write| Triples
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External[External Data] --> Codec
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External --> Translation
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Translation <-->|Maps Between| Schema
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subgraph peer
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direction TB
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Identity
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Instance
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Beacon
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end
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Identity -->|Has Many| Instance
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Beacon -->|Indicates| Identity
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Triples -->|Stored By| Instance
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subgraph social
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Federation
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Permissions
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Sharding
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end
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Schema -->|Defines| Federation
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</div></section>
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<section id="rough-roadmap">
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||
<h2>Rough Roadmap<a class="headerlink" href="#rough-roadmap" title="Permalink to this heading">#</a></h2>
|
||
<p>Enough to get us to SfN for now…</p>
|
||
<div class="mermaid">
|
||
gantt
|
||
dateFormat YYYY-MM
|
||
|
||
section Data Modeling and Transfer
|
||
Write Container Draft Spec :active, container, 2023-06, 2M
|
||
Experiment with basic Networking components :networking, 2023-07, 2M
|
||
Translate NWB Schema : trans, after container, 1M
|
||
Codec for hdf5 :codec1, after container, 1M
|
||
Webseeds with HTTP/S3: webseed, after trans, 1M
|
||
|
||
</div></section>
|
||
<section id="data">
|
||
<h2>Data<a class="headerlink" href="#data" title="Permalink to this heading">#</a></h2>
|
||
<section id="triple-data-model">
|
||
<h3>Triple Data Model<a class="headerlink" href="#triple-data-model" title="Permalink to this heading">#</a></h3>
|
||
<div class="mermaid">
|
||
erDiagram
|
||
TRIPLE {
|
||
id subject
|
||
id predicate
|
||
id object
|
||
}
|
||
|
||
CONTAINER {
|
||
str content_hash
|
||
str container_hash
|
||
str version_hash
|
||
str name
|
||
id creator
|
||
int timestamp
|
||
array capabilities
|
||
}
|
||
|
||
|
||
CONTAINER ||--|{ TRIPLE : hashes
|
||
|
||
</div><ul class="simple">
|
||
<li><p><code class="docutils literal notranslate"><span class="pre">content_hash</span></code> - hash of contained triple graph, after resolution</p></li>
|
||
<li><p><code class="docutils literal notranslate"><span class="pre">container_hash</span></code> - original hash of <code class="docutils literal notranslate"><span class="pre">content_hash</span></code> and metadata of container when first created</p></li>
|
||
<li><p><code class="docutils literal notranslate"><span class="pre">version_hash</span></code> - the version of this particular instance of the container, excluding <code class="docutils literal notranslate"><span class="pre">container_hash</span></code> - should be equal to container_hash when first instantiating.</p></li>
|
||
</ul>
|
||
<p>Example</p>
|
||
<div class="mermaid">
|
||
graph TB
|
||
Root
|
||
|
||
Root --> D1Root
|
||
|
||
subgraph Dataset1
|
||
direction TB
|
||
D1Root
|
||
D1Meta
|
||
D1Name
|
||
D1Date
|
||
D1Etc
|
||
|
||
D1Root --> D1Meta
|
||
D1Meta --> D1Name
|
||
D1Meta --> D1Date
|
||
D1Meta --> D1Etc
|
||
end
|
||
|
||
Root --> Imported
|
||
subgraph Vocabs
|
||
Imported[Imported Schema]
|
||
Term1
|
||
|
||
Imported --> Term1
|
||
|
||
end
|
||
</div><p>Types of references and means of identifying</p>
|
||
<ul class="simple">
|
||
<li><p>Absolute (hash of a container): Containers are the only uniquely identifiable thing in the network. Everything else has to be done relative to them.</p></li>
|
||
<li><p>Relative (resolve against the containing context)</p></li>
|
||
<li><p>Container: <code class="docutils literal notranslate"><span class="pre">.</span> <span class="pre">-></span> <span class="pre">pred</span> <span class="pre">-></span> <span class="pre">obj</span></code> - links that describe the container.</p></li>
|
||
<li><p>External: How to refer to some external but otherwise identifiable thing? eg. How do I identify that I am making a translation layer for <code class="docutils literal notranslate"><span class="pre">numpy</span></code> when they aren’t involved with p2p-ld at all? I should be able to use a variety of tactics - eg. I should be able to say <code class="docutils literal notranslate"><span class="pre">pypi:numpy</span></code> and then in turn identify <code class="docutils literal notranslate"><span class="pre">pypi</span></code> by URI. If someone else declares it by saying <code class="docutils literal notranslate"><span class="pre">url:numpy</span></code> and referring to their homepage, for example, then later we can declare those things as equal</p></li>
|
||
</ul>
|
||
<p>Resolving Cycles</p>
|
||
<ul class="simple">
|
||
<li><p>The identity is the root node of the graph, so do a breath-first</p></li>
|
||
</ul>
|
||
<p>Resolving names
|
||
How do we go from an external hash to another object? Our peer should be able to hydrate every content hash into an <code class="docutils literal notranslate"><span class="pre">author:hash</span></code> pair so that our downloading peer knows who to ask about shit. Or if we are the owner of that thing they know they can ask us for an additional container.</p>
|
||
</section>
|
||
</section>
|
||
<section id="scrap">
|
||
<h2>Scrap<a class="headerlink" href="#scrap" title="Permalink to this heading">#</a></h2>
|
||
<p>Just a stub to check if mermaid works</p>
|
||
<div class="mermaid">
|
||
erDiagram
|
||
IDENTITY {
|
||
string hash
|
||
}
|
||
INSTANCE {
|
||
string ip
|
||
string client
|
||
}
|
||
BEACON {
|
||
string uri
|
||
}
|
||
IDENTITY ||--o{ INSTANCE : runs
|
||
BEACON }o--|{ INSTANCE : links
|
||
BEACON }o--|| IDENTITY : represents
|
||
|
||
</div></section>
|
||
<section id="graph-data-model">
|
||
<h2>Graph Data Model<a class="headerlink" href="#graph-data-model" title="Permalink to this heading">#</a></h2>
|
||
<ul class="simple">
|
||
<li><p>Triplets</p></li>
|
||
<li><p>Containers</p></li>
|
||
<li><p>Codecs</p></li>
|
||
</ul>
|
||
</section>
|
||
<section id="random-notes">
|
||
<h2>Random notes<a class="headerlink" href="#random-notes" title="Permalink to this heading">#</a></h2>
|
||
<ul class="simple">
|
||
<li><p>re: <span class="target" id="index-0"></span>Backlinks - <a class="reference external" href="https://lists.w3.org/Archives/Public/public-rdf-comments/2012Jul/0007.html">https://lists.w3.org/Archives/Public/public-rdf-comments/2012Jul/0007.html</a></p></li>
|
||
</ul>
|
||
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|
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|
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|
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On this page
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<ul>
|
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<li><a class="reference internal" href="#">Sketchpad</a><ul>
|
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<li><a class="reference internal" href="#system-components">System Components</a></li>
|
||
<li><a class="reference internal" href="#rough-roadmap">Rough Roadmap</a></li>
|
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<li><a class="reference internal" href="#data">Data</a><ul>
|
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<li><a class="reference internal" href="#triple-data-model">Triple Data Model</a></li>
|
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</ul>
|
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|
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<li><a class="reference internal" href="#scrap">Scrap</a></li>
|
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<li><a class="reference internal" href="#graph-data-model">Graph Data Model</a></li>
|
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<li><a class="reference internal" href="#random-notes">Random notes</a></li>
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