How Logseq should build a World Knowledge Graph

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Initial thoughts from Building a knowledge graph in Logseq…

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World Knowledge Graph

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I’m not sure how Logseq is planning to build their stated World Knowledge Graph, but this seems like a reasonable way to begin letting users add structure to their personal knowledge graphs that could eventually be integrated with other knowledge graphs.

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If this were to become central to Logseq’s direction, it would make sense to store these relationships in the Logseq database. That would solve any latency concerns and create a very strong foundation for building tools to interface with your knowledge graph.

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Logseq has a stated goal to build a World Knowledge Graph. Here’s what I think they should build:

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Allow users to build knowledge graphs with their notes

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See my proposal for how to do this here: Building a knowledge graph in Logseq

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Allow users to check that their knowledge graph is a category, and treat it as one

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do I mean bicartesian closed category?

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this would probably be in the category of “sets of notes”, and if a user has not stated a relationship between two notes, then that relationship can return the “empty set”

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this also means allowing for users to treat combinations of notes like notes of their own

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AND

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[[organization]] [[meeting]] [[date]]

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If in one block I link to all of these names together then I am essentially linking to this page which is an AND of all these three other pages

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The key functionality here is for Logseq to treat this combination page like it is a page of its own, and allowing for natural navigation to related pages.

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Related pages include: [[organization]] [[meeting]] to zoom out to all meetings with that organization

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This is different from namespaces because we don’t want to dictate a hierarchy:

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[[organization]] [[date]] and [[organization]] [[meeting]] should be “siblings”

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[[organization]] [[meeting]] [[date]] does not need meeting to be the namespace for date or vice versa

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allowing for links in names should take care of a lot of this

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OR

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[[organization a]], [[organization b]], [[project c]]

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this is a bit harder, but I think it could have some interesting uses

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The default syntax for this feels like it should be to use commas

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This is OR page is then treated like a page of its own

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notably a link to any of the pages in the OR page shows up as a reference in the OR page

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this is different from AND because only references that mention all of the pages in the AND show up in references

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Create a general knowledge ontology that users can create translations into

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there can be multiple “general ontologies”, perhaps for different industries or areas (academic research, corporate documentation, etc)

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for example, a general ontology may be like Joel Chan’s Discourse Graph (types: question, claim, evidence, etc.. relationships: supports, opposes, informs, etc)

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if a user can translate their knowledge graph into this “discourse graph ontology”, then other users can see how to utilize that user’s knowledge graph in the context of a discourse graph ontology

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a user could create this translation / functor by describing how that user’s knowledge graph types and relationships map to the general ontology’s types and relationships

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Translations = functors

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here I am using the term Category Theory term functor to describe a (potentially lossy) translation between two “knowledge graphs”

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Make it possible to publish a subset of your knowledge graph, and integrate other knowledge graphs into your own

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if personal knowledge graphs x and y both have functors to general knowledge graph a, then it becomes possible to integrate x and y so that you can extract knowledge from x into y (or vice versa)

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among other details, it would be necessary to let other people’s knowledge graphs live alongside your own, without taking over my own content

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