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FcaBedrock v2.9.999

Final legacy release of the FcaBedrock v2 line, and the first published release since the public v2.8.28 build from 12 June 2014.

FcaBedrock is a VB.NET WinForms desktop tool for converting many-valued data sets into single-valued Formal Contexts for Formal Concept Analysis (FCA). It reads flat CSV / delimiter-separated data and three-column triple data, and writes Burmeister .cxt or FIMI .dat output.

Release status

2.9.999 is the final planned update of the legacy v2 tool and the first published release after 2.8.28 (12 June 2014), the last previously published public v2 build.

The legacy v2 line will be superseded by FcaBedrock vNext, which is under development. The first vNext release is planned for Q3 2026. Updates and release information for vNext will be published at https://github.com/trashr0x/fcabedrock

What is in this repo

  • FcaBedrockv2/ - the WinForms application
  • FcaBedrockv2.Tests/ - regression tests and golden fixtures
  • docs/ - project report and recovered CHM help source
  • examples/ - larger manual-test data sets
  • ROADMAP.md - maintenance history and completed work
  • AGENTS.md - project-specific operating notes for coding agents

Supported behavior

The shipped legacy tool supports these attribute type markers:

  • c - categorical
  • b - Boolean
  • o - continuous
  • n - ordinal
  • d - dates

It also supports:

  • Bedrock metadata files (.bed)
  • attribute/category exclusion
  • restrict-mode subcontext creation
  • auto-detection of metadata
  • Burmeister and FIMI export
  • inconsistency-mode filtering for three-column Burmeister output

Build and test

Windows and .NET 10 SDK are required.

dotnet build
dotnet test
dotnet run --project FcaBedrockv2

Help file

The shipped compiled help file is:

  • FcaBedrockv2/fcabedrock-v2.chm

Recovered editable help source lives in:

  • docs/help-src/

That source was reconstructed from the compiled CHM so the final legacy release documentation could be corrected and rebuilt.

Contact

License

MIT.

Copyright

Copyright © 2010-2026 Simon Andrews and Constantinos Orphanides

Source: README.md, updated 2026-08-03