Triple
T17118500
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | M2 line |
E415401
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | M100 metro trains |
E412713
|
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: M100 metro trains | Statement: [M2 line, usesRollingStock, M100 metro trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: M100 metro trains Context triple: [M2 line, usesRollingStock, M100 metro trains]
-
A.
E-series metro trains
E-series metro trains are an earlier generation of Soviet-designed electric multiple units that served as a foundational model for later metro rolling stock across various Eastern European and former Soviet cities.
-
B.
M5 metro trains
M5 metro trains are a modern fleet of high-capacity, low-floor metro vehicles used on the Amsterdam Metro system, designed to improve comfort, accessibility, and efficiency.
-
C.
M100 series trains
chosen
The M100 series trains are the original electric multiple units that have operated on the Helsinki Metro since its opening, known for their robust design and long service life.
-
D.
Type 100 monorail trains
Type 100 monorail trains are a fleet of rubber-tired, automated trains specifically designed to operate on the Disney Resort Line at Tokyo Disney Resort.
-
E.
Metro EMU
Metro EMU is a type of electric multiple unit specifically designed for high-frequency urban metro and rapid transit rail services.
- 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_69d886d090cc8190a39cb94992586905 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3e8086a388190a655a044feccab14 |
completed | April 18, 2026, 8:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a013a0e11108190bfcf858142aa9ff3 |
completed | May 11, 2026, 2:08 a.m. |
Created at: April 10, 2026, 5:35 a.m.