W3C

– DRAFT –
Data Shapes WG

17 November 2025

Attendees

Present
AndyS, bergos, DavidHabgood, edmond, HolgerK, livio, matt, nicholascar, ognjen, Robert, simonstey, SimonW, TallTed
Regrets
-
Chair
nicholascar
Scribe
Robert

Meeting minutes

HolgerK: core subgroup, no substantial changes expected
… node expressions, list operations pull request

nicholascar: profiling, no changes since last week

edmond: ui, feedback/reviews requested

AndyS: rules, started on formal definition of evaluation

<AndyS> Branch WIP : Defn of rule set evaluation -- https://github.com/w3c/data-shapes/tree/def-eval/shacl12-rules

AndyS: action for transformation rules
… can node expressions be used for transformation?

No updates for compact syntax

at risk notice for w3c/data-shapes#647

AndyS: new design for sparql pre-binding
… delay the decision making

HolgerK: timeline for sparql working group?

AndyS: pre-binding in progress
… in some months?

HolgerK: topquadrant implementation up to date

nicholascar: pyshacl outdated, needs updates

Robert checks Graphwise plans for implementation

AndyS: plan for rules as lightweight open source project, eventually added to Jena

nicholascar: rules could be developed standalone and later merged in

bergos: node expressions implemented, but needs updates

<bergos> SHACL playground with some 1.2 features: https://playground.rdf-ext.org/shacl-experimental/

<bergos> list of supported features: https://github.com/rdf-ext/shacl-engine/tree/experimental

<TallTed> [ adjourned ]

Minutes manually created (not a transcript), formatted by scribe.perl version 248 (Mon Oct 27 20:04:16 2025 UTC).

Diagnostics

Succeeded: i|zakim, who's here|meeting: Data Shapes WG|

Succeeded: i|zakim, who's here|agenda: https://github.com/w3c/data-shapes/blob/agenda/admin/agenda-2025-11-17.md|

Succeeded: i|zakim, who's here|scribe: Robert

All speakers: AndyS, bergos, edmond, HolgerK, nicholascar

Active on IRC: AndyS, bergos, DavidHabgood, edmond, HolgerK, nicholascar, Robert, simonstey, SimonW, TallTed