44 lines
2.1 KiB
Markdown
44 lines
2.1 KiB
Markdown
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# 260614 — ZigZag / zzstructure deep dive (an information space as orthogonal dimensions)
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Date: 2026-06-14
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## What this is
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A focused study of **Ted Nelson's ZigZag** and its data model **zzstructure**, asked
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through a specific shard-wiki question: a wiki page is linked in many independent ways
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at once — a **namespace** tree, a **created-from / genealogy** lineage, **hyperlinks**,
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plus shard-wiki's own **shard / overlay / version / transclusion / equivalence**
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relations. Could the information space be modelled as a zzstructure, where each
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relationship is a first-class **dimension** and none is privileged?
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Distinctive material:
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- the zzstructure model — **cells**, **dimensions** (edge colours), **ranks**,
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**posward/negward**, and the one rule that defines it: *at most one posward and one
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negward neighbour per dimension per cell* (a directed coloured multigraph)
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- **views** — I-view (one dimension), **H-view** (pivot two dimensions into a cross),
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raster-vs-view
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- trees/lists/tables as *spent dimensions*; many-to-many graphs as the hard case
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(handled by **clones**)
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- **clone ↔ transclusion** convergence with the Xanadu dive
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## Contents
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| Path | Role |
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|------|------|
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| `findings.md` | zzstructure model, views, fit analysis, a proposed dimension map for a shard-wiki space, recommendation (lens not store), INTENT mapping, UC seeds, architecture notes, sources |
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## Status
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Initial deep dive complete. Three new use cases promoted to `spec/UseCaseCatalog.md`
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(UC-47 navigate-by-dimension, UC-48 H-view pivot/cross-tab, UC-49 genealogy
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dimension); UC-05/17–22/26/29 enriched. A **dimensional projection layer** is logged
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as architecture for `workplans/SHARD-WP-0002-federation-architecture.md`.
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**Recommendation recorded:** adopt zzstructure as a **navigation / visualization /
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indexing lens** (a derived dimensional projection over the union), **not** as the
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storage substrate — Git and sovereign shards remain canonical (INTENT Stability Note).
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The many-to-many hyperlink graph does not fit zzstructure's rank constraint and stays a
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separate graph index. Pairs with `research/260614-xanadu-deep-dive/` (clone ↔
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transclusion).
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</content>
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