Wikidata:WikiProject Limits of Wikidata

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This WikiProject aims to catalogue the current limits of Wikidata and to extrapolate their development until about 2030.
The formula depicted here describes the resolution limit of the light microscope. After it had served science for about a century, it was set in stone for a monument. The image was taken yet more years later, but two months after that, the 2014 Nobel Prize in Chemistry was announced to be awarded for overcoming this limit using fluorescent molecules and lasers.
Which of the limits of Wikidata are set in stone, and which ones should we strive to overcome?

Contents

About[edit]

This Wikiproject aims at bringing together various strands of conversations that touch upon the respective limits of Wikidata, both in technical and social terms. The aim is not to duplicate existing documentation but to collect pointers to places where the respective limits for a given section are being described or discussed.

Timeframe[edit]

While fundamental limits exist in nature, the technical and social limits we are discussing here are likely to shift over time, so any discussion of such limits will have to come with some indication of an applicable timeframe. Since the Wikimedia community has used the year 2030 as a reference point for its Movement Strategy, we will use this here as a default as well for projections into the future and contrast this with current values (which may be available via Wikidata's Grafana dashboards). If other timeframes make more sense in specific contexts, please indicate that.

Infrastructure[edit]

Software[edit]

MediaWiki[edit]

Wikibase[edit]

Generic Wikibase Repository[edit]

Data types[edit]
  • Item
  • Monolingual string
  • etc.
Data formats[edit]
  • JSON
  • RDF
  • etc.

Generic Wikibase Client[edit]

Wikidata's Wikibase Repository[edit]

Wikidata's Wikibase Client[edit]

Wikibase Repositories other than Wikidata[edit]

Wikibase Clients other than Wikidata[edit]

Wikimedia wikis[edit]
Non-Wikimedia wikis[edit]

Wikidata Query Service[edit]

Blazegraph[edit]
  • GitHub repo
  • limited support for sharding
  • not actively maintained
JANUS[edit]

Hardware[edit]

Community[edit]

Wikidata users[edit]

Human users[edit]

Human Wikidata readers[edit]
Human Wikidata contributors[edit]

Tools[edit]

Tools for reading Wikidata[edit]
Tools for contributing to Wikidata[edit]

Bots[edit]

Bots that read Wikidata[edit]
Bots that contribute to Wikidata[edit]

Users of Wikidata client wikis[edit]

Users of Wikidata data dumps[edit]

Users of dynamic data from Wikidata[edit]

API[edit]

SPARQL[edit]

Linked Data Fragments[edit]

Other[edit]

Users of Wikibase repositories other than Wikidata[edit]

Content[edit]

Generic[edit]

How many triples can we manage?[edit]

How many languages should be supported?[edit]

How to link to individual statements?[edit]

Items[edit]

How many items should there be?[edit]

How many statements should an item have?[edit]

Properties[edit]

How many properties should there be?[edit]

How many statements should a property have?[edit]

Lexemes[edit]

Overview of lexicographical data as of May 2019. Does not discuss limits other than those of QuickStatements.

How many lexemes should there be?[edit]

How many statements should a lexeme have?[edit]

References[edit]

How many references should there be?[edit]

How many references should a statement have?[edit]

Where should references be stored?[edit]

Wikidata edits[edit]

Edits by nature of account[edit]

Edits by human users[edit]

Manual edits[edit]
  • ...
Tool-assisted edits[edit]
  • ...

Edits by bots[edit]

  • ...

Edits by nature of edit[edit]

Page creations[edit]

Page modifications[edit]

Page merges[edit]

Reverts[edit]

Page deletions[edit]

Edits by size[edit]

Edits by frequency[edit]

Wikidata SPARQL queries[edit]

  • [Wikidata Scaling Wikidata Query Service] from Wikidata-l, 6 June 2019

Queries by usage[edit]

One-off or rarely used queries[edit]

Showcase queries[edit]

Maintenance queries[edit]

Queries by user type[edit]

Manually run queries[edit]

Queries run through tools[edit]

Queries run by bots[edit]

Queries by visualization[edit]

  • Table
  • Map
  • Bubble chart
  • etc.

Subpages[edit]

Participants[edit]

[+] Add yourself to the list

The participants listed below can be notified using the following template in discussions:

{{Ping project|Limits of Wikidata}}