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Personal Knowledge Management Frameworks

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Personal Knowledge Management (PKM) frameworks help structure how information is captured, organized, synthesized, and retrieved in a digital “Second Brain.”

Beyond the PARA Method, several other frameworks offer complementary or alternative strategies for vault management.

1. ACCESS (Vault Structure)

Created by Nick Milo (creator of Linking Your Thinking), ACCESS is a functional organization framework designed specifically for link-based, non-linear tools like Obsidian. Unlike PARA, which groups notes by actionability, ACCESS divides a vault into logical, functional components:

  • A - Atlas: Maps of Content (MOCs) and dashboards (e.g., Home Dashboard).
  • C - Calendar: Logs, daily journals, weekly reviews, and time-based tracking.
  • C - Cards: Atomic, evergreen notes representing single concepts (e.g., notes in Learning/Concepts/).
  • E - Extras: Templates, assets, scripts, attachments, and configurations.
  • S - Sources: External raw information (e.g., summaries of articles in Learning/Tech/ or book highlights in Books/).
  • S - Spaces: Distinct contextual areas of life or work (e.g., Investments/, Teaching/).

TIP

Obsidian Synergy: The WisdomWell vault uses a hybrid of PARA and ACCESS. For example, your Learning/Concepts/ directory acts as a Cards layer, while Learning/Tech/ acts as Sources.

2. Johnny.Decimal (File Organization)

Created by John Noble, Johnny.Decimal is a system designed to keep files organized by enforcing a strict numbered directory structure. It solves the problem of “where does this file live?” by assigning a unique decimal ID to every category.

  • Areas (10-19): Top-level groups of related items (e.g., 10-19 Finance).
  • Categories (12): Specific folders under an Area (e.g., 12 Taxes).
  • IDs (12.01): The individual notes or files (e.g., 12.01 Thai ESG Tax.md).

Advantages

  • Employs a flat, clear hierarchy (never more than two levels deep).
  • Unique ID prefixes (e.g., 12.01) make keyboard navigation and file-opening extremely fast.
  • Keeps folders small and manageable (maximum 10 folders/files per category).

3. Zettelkasten (Knowledge Synthesis)

Developed by sociologist Niklas Luhmann, the Zettelkasten (slip-box) method is a decentralized, bottom-up note-taking system. It focuses on connecting ideas rather than putting them in folders:

  1. Fleeting Notes: Quick captures of raw thoughts or tasks (your Fleeting/ folder).
  2. Literature Notes: Notes summarizing what you read or watch, kept with source metadata (your Learning/Tech/ or Books/ folders).
  3. Permanent Notes (Atomic Notes): Central concepts written in your own words, containing exactly one idea. They are flat, stored together, and heavily interlinked.
  4. Structure Notes: Indexes or Maps of Content that tie multiple permanent notes together.

IMPORTANT

Luhmann’s concept of organic, bottom-up intelligence is the foundation of your LLM Wiki implementation, where an AI librarian automatically processes Fleeting notes and compiles them into Permanent concept pages.

4. Digital Garden (Knowledge Cultivation)

A Digital Garden is a modern approach to online writing and note-taking that prioritizes non-linear, topological organization over chronological blog feeds. It is designed to be an evolving, public representation of a person’s thinking process, emphasizing link-based navigation, growth badges (🌱 🌿 🌳), and learning in public.

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