#qlever

Live, measured metrics for the hashtag #qlever from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #qlever

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$520.70/ year · 6-character #name
Claim #qlever — $520.70/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
2
Uses / 7 days
Mastodon
2
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
1.2
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-09-26 16:10 UTC
1
09-20
0
09-21
0
09-22
1
09-23
0
09-24
0
09-25
0
09-26

2 uses by 2 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mas.to (Mastodon public search API) · fetched 2026-09-26 16:10 UTC

No related tags with measured usage found for #qlever.

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-09-26 16:10 UTC

Everything below is measured over the latest 40 public posts (spanning ~14579 hours).

Posting hours (UTC) — busiest: 14:00

00:0012:0023:00

Languages: English (25) · German (12) · French (2) · Danish (1)

Avg boosts / post: 3.4

Top of the latest posts

  • That's a list I've been looking for for some time: https://www.mediawiki.org/wiki/Wikibase/Indexing/RDF_Dump_Format#WDQS_data_differences It shows the differences between the RDF source of a Wikidata item and the way it's stored in the RDF

    Alexander Winkler@[email protected]♥ 5↻ 22026-02-06 04:35 UTCView post →
  • What is in #wikidata? The answer to this question on the Wikidata:Statistics page (https://www.wikidata.org/wiki/Wikidata:Statistics) hasn't been updated for a while. This #sparql query run in #qlever provides a snapshot of the current situ

    Alexander Winkler@[email protected]♥ 5↻ 92026-01-26 20:44 UTCView post →
  • Für einen kurzen Impuls habe ich mir die Präsenz der Stiftung Preußischer Kulturbesitz im #Wikiversum angesehen und ein paar Daten dazu zusammengetragen. Neben #qlever, #petscan und #glamorgan habe ich inbesondere versucht, die Revisionshis

    Alexander Winkler@[email protected]♥ 3↻ 62026-01-26 20:05 UTCView post →

What “qlever” means

Wikipedia

QLever is an open-source triplestore, graph database and SPARQL engine. It is designed to efficiently load and query very large RDF datasets, including those with hundreds of billions of triples on a single commodity server. Unlike many large-scale graph databases that rely on distributed clusters, QLever is designed to operate efficiently on a single machine with modest memory requirements, even with very large datasets. QLever implements the full SPARQL 1.1 standard, including SPARQL Update, f

“QLever” on Wikipedia (CC BY-SA) →

#qlever across platforms

every network with a public tag surface

Follow #qlever straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/qlever