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Technical specifications and guidelines for implementing Frictionless Data.

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We currently support a special prefixing on the `hash` to declare hashing algorithms the are not MD5. However, we are moving away from this type of overloading in most all...

Data Package
Data Resource

In many cases, data are unconsistent between two fields (see [extract IRVE example](https://github.com/loco-philippe/Environmental-Sensing/tree/main/python/Validation/irve/test_IRVE-simple.ipynb) ). To specify and to check the relationship between two fields (i.e. cardinality in data model), we...

Patterns

Hello In TableSchema, you can specify geometry field types as `geojson` or `geopoint` But from my own experience, `wkt` strings are more commonly used to store geometries in a table...

Table Schema

I understand that the number of cases of path cannot be checked with regex perfectly. Regex-based pattern checking can cause errors, and these errors can be divided into two categories:...

Bumps [terser](https://github.com/terser/terser) from 4.6.3 to 4.8.1. Changelog Sourced from terser's changelog. v4.8.1 (backport) Security fix for RegExps that should not be evaluated (regexp DDOS) v4.8.0 Support for numeric separators (million...

dependencies

The issue #279 clarifies weather `required` is by default True or False. Now, it is correctly describedin the table within [Table Schema Specification](https://github.com/frictionlessdata/specs/tree/master/table-schema) in section "Constraints" . Anyway, the default...

Related to https://github.com/frictionlessdata/frictionless-py/issues/1177

This issue is about creating a valid JSON-LD context a Data Package / Tabular Data Package. Previous discussion on related topics in #110

Data Package

## I suggest To plan a way to describe schema information in datapackage directly via JSON Schema, e.g. defining a specific profile in alternative to Tabular Data Package. This should...

# Context I raised having a model spec in https://github.com/frictionlessdata/frictionlessdata.io/issues/854 as `model` in Fiscal Data Package is basically a way to declare semantic types over one or more resources, and...

Table Schema