Triple
T25543266
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Epping to Ongar branch |
E640226
|
entity |
| Predicate | infrastructureOwnerDuringUndergroundEra |
P158861
|
FINISHED |
| Object | London Underground |
—
|
NE NERFINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: London Underground | Statement: [Epping to Ongar branch, infrastructureOwnerDuringUndergroundEra, London Underground]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: infrastructureOwnerDuringUndergroundEra Context triple: [Epping to Ongar branch, infrastructureOwnerDuringUndergroundEra, London Underground]
-
A.
excavatedUnder
Indicates that one entity was dug out, uncovered, or removed from beneath another entity during an excavation process.
-
B.
isAmongOldestUndergroundSystemsIn
Indicates that an underground transportation system ranks among the oldest of its kind within a specified location or region.
-
C.
integratedIntoUnderground
Indicates that something has been incorporated or absorbed into an underground system, structure, or environment.
-
D.
hasUndergroundOrgan
Indicates that an entity possesses an organ or structure that is located below the ground surface.
-
E.
excavatedInPartBy
Indicates that an object, site, or material was partially uncovered or dug out through the efforts or actions of a specified agent or group.
- F. None of above. chosen
Provenance (4 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e75dbfff7081909b0aa779d48321d2 |
completed | April 21, 2026, 11:21 a.m. |
| NER | Named-entity recognition | batch_69f5f895e458819081cf031b70d20e56 |
completed | May 2, 2026, 1:13 p.m. |
| PD | Predicate disambiguation | batch_69f480789be08190ab252a6de3797200 |
completed | May 1, 2026, 10:29 a.m. |
| PDg | Predicate description generation | batch_69f48b9058d081908ec9af261ee092e2 |
completed | May 1, 2026, 11:16 a.m. |
Created at: April 21, 2026, 3:27 p.m.