📸 Everyone's position at one instant

Object	x (m)	y (m)
Away #15	29.2	53.3
Away #16	22.9	44.1
Away #17	23.3	24.6
Away #18	28.7	9.2

Run this query → no server · no download · no account

caviri.github.io/rete

Run this query in the playground → 22 rows · 3.9 s · 1.3 MB of 15.5 MB read over HTTP range · no server, no download — the query runs in your browser.

The query

PREFIX tr: <https://w3id.org/rete/tracking#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT ?obj ?x ?y WHERE { ?p tr:t ?t ; tr:object ?o ; tr:x ?x ; tr:y ?y . ?o rdfs:label ?obj . FILTER(?t >= 300 && ?t < 300.2) } ORDER BY ?obj

rete playground · documentation · github.com/caviri/rete