Graph · universal · registered

MeaningGraph core concepts

Universal concepts that are not specific to any dataset (country, currency, customer, invoice, price, revenue, date, population, per capita and more), plus the meaning/draft-1 schema and format reference. Dataset graphs reuse them by address and pin a commit.

draft23 concepts@ 982916dCC0-1.0 (meanings)

Structure, meaning, or both. MeaningGraph holds logical data models and semantic definitions. The OpenVaultDB Directory lists physical implementations and deployments.

Provenance

Where it lives

Pinned commit982916d73f0a35ff2558b0062f58aa3ac4f24d97The registry pins this commit; every concept below is read from it.
Addressmeaning://github.com/meaninggraph/core
Maintainerstrakhimenok

Concepts

What MeaningGraph core concepts defines

EntityCity

A named settlement located within a country. No known values yet: city names repeat across countries, so a dataset matches a city together with its country.

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EntityCommercial line item

One product or service entry on a commercial order or invoice, commonly with a quantity and a unit price. It does not by itself specify whether the document requests supply or…

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EntityCountry

A country or territory with an ISO 3166-1 code, identified independently of any data source. Values are keyed by the lowercase ISO 3166-1 alpha-2 code. A dataset that stores a…

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AttributeCountry code

An ISO 3166-1 code that identifies a country: alpha-2 ("IE"), alpha-3 ("IRL") or numeric ("372"). Each country value lists all three.

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EntityCurrency

A unit of money used to express value, with an ISO 4217 code. Values are keyed by the lowercase alphabetic code. Starter subset: three currencies. No alias is a bare word or…

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EntityCustomer

A person or organization that purchases goods or services.

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AttributeDate

A calendar day: year, month and day, without a time of day. A dataset that stores a timestamp whose time is always midnight can treat it as a date. Questions that ask "when",…

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EntityEmployee

A person employed by an organization.

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EntityInvoice

A request for payment for goods or services supplied to a customer: what was supplied, when, where it is billed, and the amount charged. Not an order (a request to supply) and not…

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EntityInvoice line

One item on an invoice, with its unit price and quantity.

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AttributeInvoice total

The amount charged on an invoice, normally the sum of its lines.

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AttributeManager

The employee that another employee reports to.

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AttributeMoney amount

An amount of money. It is only meaningful together with its currency: its unit is one of the values of currency, so a concept that extends it states the currency as that value…

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EntityOrder

A request or commitment to supply goods or services. An order describes intended supply; an invoice requests payment for supplied goods or services, and a receipt records payment.

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EntityOrder line

One product or service requested on an order.

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EntityOrganization

A group with a defined identity and purpose, such as a company.

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MeasurePer capita

A pattern, not a number on its own: any measure for a place divided by the population of the same place, so that large and small places can be compared. It is a ratio, so it is…

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EntityPerson

An individual human being.

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MeasurePopulation

The number of people living in a country at a point in time. Always state the year: populations change every year and sources differ.

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AttributePrice

The amount asked for one unit of a product or service, such as the list price in a catalogue. The amount actually charged on a sale is a unit-price.

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AttributeQuantity

How many units of an item were sold on one line.

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MeasureRevenue

The money received from sales over a period, before costs. From the buyer's side the same number is spend, so a question about who buys or spends the most asks for revenue grouped…

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AttributeUnit price

The price charged for one unit of an item on an invoice line.

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Start with meaning

Propose a definition

This local draft is for a semantic meaning only. Register logical data models or meaning files through the registry guide.

A local JSON draft downloads to your device. Nothing is published.