RIMMF6 is a continuing development of what began as RIMMF4.

(RIMMF5 was an experiment that was never released.)

Current release: 20240221

List of recent changes: rimmf6:changes6

RIMMF6 can be downloaded here:

A portable installation of RIMMF6 is available from this link:

The basics of RIMMF6 are similar, if not the same as, RIMMF3, and until we can get to updating this wiki specifically for RIMMF6, we suggest that the RIMMF3 wiki be consulted for those topics.

Below are topics (and details) that are exclusive to RIMMF6.

New Concepts in RIMMF6


RV (“Registry Viewer”) is a tool that we have developed over the years to help us navigate/understand/research/troubleshoot the RDA Registry. Today, RV is the backbone of every RIMMF6 release.

The input to RV is the ntriples serialization of every registry download.

The output consists of:

  1. the element sets used by RIMMF6 (and RIMMF4 up to 2021)
  2. many maps, applied to the registry data
  3. various reports and data analyses
  4. several different views of the data
  5. customizable filters, extracts, etc.
  6. differencing tools (compare two releases of RDA Registry)

This utility is typically updated after each registry release; from there, the updated registry data will be added to the next RIMMF6 release.

Download the latest RV update (5.0.19)


RIMMF4 (R4) is our attempt to model changes to RDA introduced by LRM and the 3R project.

Work on R4 began in 2017/2018.

The objectives/status of R4 are:

  • replace the homegrown text output used by previous RIMMFs with an RDF ntriples serialization [complete]
  • replace customized element tables with RDA Registry linked data [complete]
  • support new RDA concepts: recording methods, nomens, machine-readable SES [complete]
  • support data provenance using RDA itself [completed in R6]
  • support application profile creation in RIMMF templates [completed in R6]
  • separate the EI (entity index) from the discovery interface [to do]
  • improve uri management which will be needed by triplestore cataloging [to do]
  • conversion of RIMMF3 data folders to RDF [in progress as a separate app]
  • develop an API for storing/sharing user-created vocabulary terms [beyond the scope of RIMMF]

R4 does not have any awareness of MARC. For MARC-to-RDA conversion RIMMF3 will be more useful 1).

RIMMF4 development has ended. It is being continued by RIMMF6 (above).


Last release: 20210421

A list of changes in the current (and recent) releases may be found HERE.

R4 can be downloaded from this link:

A portable installation of R4 is available from this link:

R4 runs on the Microsoft Windows operating system.

The installation documentation for RIMMF3 can be used for R4–substitute 'RIMMF4' for 'RIMMF3' where applicable and ignore the download links2).

R4 can be installed without harming existing RIMMF installations and data on the same computer.

RIMMF3 to RIMMF4 conversion

A workflow for converting a RIMMF3 data folder to RIMMF4 linked data is under construction (here is a link to some notes on this topic).

If you have RIMMF3 data that you would like converted to RIMMF4, please contact us. We can use your data to test the conversion, and potentially return the data in the new format.

Keeping in mind the element set used by RIMMF3 is based on RDA Registry version 2.7.3, published in Oct. 2017
unless you want to download RIMMF3
rimmf6/start.txt · Last modified: 2024/03/05 21:07 by Rick
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