HDF4

General purpose data model, library, and file format for storing scientific and engineering data
Place software_library Q63065200
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HDF4

Summary

HDF4 is a software library[1].

Key Facts

  • HDF4's instance of is recorded as software library[2].
  • HDF4's instance of is recorded as file format[3].
  • HDF4's instance of is recorded as free software[4].
  • HDF4's instance of is recorded as Hierarchical Data Format[5].
  • HDF4's instance of is recorded as data model[6].
  • HDF4's developer is recorded as The HDF Group[7].
  • HDF4's copyright license is recorded as 3-clause BSD License[8].
  • HDF4's programmed in is recorded as Q15777[9].
  • HDF4's software version identifier is recorded as 4.2.16-2[10].
  • HDF4's software version identifier is recorded as 4.3.0[11].
  • HDF4's software version identifier is recorded as 4.3.1[12].
  • HDF4's software version identifier is recorded as 4.0[13].
  • HDF4's software version identifier is recorded as 4.4.0[14].
  • HDF4 is used for open science[15].
  • HDF4 is used for open access[16].
  • HDF4's said to be the same as is recorded as NCSA Hierarchical Data Format[17].
  • HDF4's official website is recorded as https://www.hdfgroup.org/solutions/hdf4/[18].
  • HDF4's media type is recorded as application/vnd.hdfgroup.hdf4[19].
  • HDF4's file extension is recorded as h4[20].
  • HDF4's file extension is recorded as hdf[21].
  • HDF4's file extension is recorded as hdf4[22].
  • HDF4's file extension is recorded as he4[23].
  • HDF4's source code repository URL is recorded as https://github.com/HDFGroup/hdf4[24].
  • HDF4's Stack Exchange tag is recorded as https://stackoverflow.com/tags/hdf[25].
  • HDF4's copyright holder is recorded as The HDF Group[26].

Body

Designation and Status

Recorded instance of include software library[2], file format[3], free software[4], Hierarchical Data Format[5], and data model[6].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). HDF4. Retrieved May 3, 2026, from https://4ort.xyz/entity/hdf4
MLA “HDF4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hdf4.
BibTeX @misc{4ortxyz_hdf4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HDF4}}, year = {2026}, url = {https://4ort.xyz/entity/hdf4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HDF4 — https://4ort.xyz/entity/hdf4 (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 16d ago · Github-wiki-bot bot · 2026-09-18 view diff on Wikidata ↗
    Software version identifier → 4.2.16-2, 4.3.0, 4.3.1 +2
    "/* wbeditentity-statements-single-property-update:1||2 */ [[Property:P348]], Update with GitHub data ([[:toollabs:editgroups/b/CB/9b62d8a85341|details]])"
  2. 4w ago · Github-wiki-bot bot · 2026-09-04 view diff on Wikidata ↗
    Copyright status → copyrighted
    Said to be the same as → NCSA Hierarchical Data Format
    Gentoo package → sci-libs/hdf
    License → —
    + 30 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P348]]: 4.0, Update with GitHub data ([[:toollabs:editgroups/b/CB/7b3c5d5356b4|details]])"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.