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<title>Coder Legion - Recent posts tagged shacl</title>
<link>https://coderlegion.com/tag/shacl</link>
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<title>SHACL (Shapes Constraint Language)</title>
<link>https://coderlegion.com/21431/shacl-shapes-constraint-language</link>
<description>&lt;p&gt;SHACL acts as your deterministic compiler guardrail. Before your agent executes a plan or mutates data, SHACL validates the state of the graph against strict shapes. If the LLM generates a structurally invalid plan, SHACL rejects it immediately, completely eliminating hallucinated actions.&lt;/p&gt;
</description>
<category>Articles</category>
<guid isPermaLink="true">https://coderlegion.com/21431/shacl-shapes-constraint-language</guid>
<pubDate>Sat, 27 Jun 2026 02:57:21 +0000</pubDate>
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<title>In PADI terms, canonical truth states that...</title>
<link>https://coderlegion.com/21200/in-padi-terms-canonical-truth-states-that</link>
<description>&lt;p&gt;&quot;A governed event is an immutable semantic assertion whose validity must be independently reproducible through deterministic validation, governance evidence, and cryptographic commitment.&quot;&lt;/p&gt;
&lt;p&gt;From that single statement, we derive:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;the ontology,&lt;/li&gt;
&lt;li&gt;the SHACL shapes,&lt;/li&gt;
&lt;li&gt;the envelope,&lt;/li&gt;
&lt;li&gt;the API contracts,&lt;/li&gt;
&lt;li&gt;the ledger,&lt;/li&gt;
&lt;li&gt;the validation manifest,&lt;/li&gt;
&lt;li&gt;the auditor,&lt;/li&gt;
&lt;li&gt;the replay engine.&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;None of these should introduce new meaning.&lt;/p&gt;
&lt;p&gt;They only implement the manifesto.&lt;/p&gt;
</description>
<category>Articles</category>
<guid isPermaLink="true">https://coderlegion.com/21200/in-padi-terms-canonical-truth-states-that</guid>
<pubDate>Tue, 23 Jun 2026 11:08:01 +0000</pubDate>
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<title>SHACL as Cataloging Rules</title>
<link>https://coderlegion.com/20621/shacl-as-cataloging-rules</link>
<description>&lt;p&gt;Just as a library uses rules to ensure books are placed in correct shelves, I use SHACL shape Constraint to ensure digital events are handled according to my pre-defined logical boundaries.&lt;/p&gt;
</description>
<category>Discussions</category>
<guid isPermaLink="true">https://coderlegion.com/20621/shacl-as-cataloging-rules</guid>
<pubDate>Mon, 15 Jun 2026 07:13:41 +0000</pubDate>
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<title>Moving Into the Realm of Structured and Queryable Knowledge.</title>
<link>https://coderlegion.com/20290/moving-into-the-realm-of-structured-and-queryable-knowledge</link>
<description>&lt;p&gt;When you define the domain (&lt;strong&gt;Ontology&lt;/strong&gt;), classify the assets (&lt;strong&gt;Taxonomy&lt;/strong&gt;), and enforce the rules (&lt;strong&gt;SHACL&lt;/strong&gt;), you no longer &quot;search&quot; for information, you simply navigate to it.&lt;/p&gt;
</description>
<category>Discussions</category>
<guid isPermaLink="true">https://coderlegion.com/20290/moving-into-the-realm-of-structured-and-queryable-knowledge</guid>
<pubDate>Thu, 11 Jun 2026 11:55:49 +0000</pubDate>
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<title>Maintaining Global Context-Integrity in Knowledge Graphs</title>
<link>https://coderlegion.com/20133/maintaining-global-context-integrity-in-knowledge-graphs</link>
<description>&lt;p&gt;In an RDF triple store, data exists as 4-tuples:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;Subject,&lt;/li&gt;
&lt;li&gt;Predicate,&lt;/li&gt;
&lt;li&gt;Object,&lt;/li&gt;
&lt;li&gt;Context.&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;By isolating production data in a specific context URI, you prevent leakage from test benches and legacy migrations into your real-time reasoner.&lt;/p&gt;
</description>
<category>Discussions</category>
<guid isPermaLink="true">https://coderlegion.com/20133/maintaining-global-context-integrity-in-knowledge-graphs</guid>
<pubDate>Wed, 10 Jun 2026 06:05:43 +0000</pubDate>
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