Triple
T11909111
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | S7 Stock |
E283347
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object | Metropolitan line (sub-surface sections only) |
E171480
|
NE FINISHED |
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: Metropolitan line (sub-surface sections only) | Statement: [S7 Stock, usedOnLine, Metropolitan line (sub-surface sections only)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan line (sub-surface sections only) Context triple: [S7 Stock, usedOnLine, Metropolitan line (sub-surface sections only)]
-
A.
Metropolitan line
The Metropolitan line is one of the oldest lines of the London Underground, running from central London into the northwestern suburbs and beyond.
-
B.
Metro Line 1 (Millennium Underground)
Metro Line 1, also known as the Millennium Underground, is Budapest’s historic metro line and one of the oldest electrified underground railway lines in continental Europe, renowned for its heritage status and distinctive yellow trains.
-
C.
London Underground Metropolitan line
chosen
The London Underground Metropolitan line is one of the network’s oldest and longest lines, running from central London into the north-west suburbs and beyond into Buckinghamshire.
-
D.
Main Suburban railway line
The Main Suburban railway line is a major rail corridor in Sydney, Australia, forming part of the city's core suburban network and linking central Sydney with its western suburbs.
-
E.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6ab2c07e88190ba13b0d21fd6cf33 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8e5278eb081909a7ecfe38beeeda9 |
completed | April 10, 2026, 11:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f418543258819083b49a5bbdc520cd |
completed | May 1, 2026, 3:04 a.m. |
Created at: April 8, 2026, 9:44 p.m.