Triple
T10681401
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrovagonmash |
E251763
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | 81-761 Oka metro train |
E878861
|
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: 81-761 Oka metro train | Statement: [Metrovagonmash, notableWork, 81-761 Oka metro train]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 81-761 Oka metro train Context triple: [Metrovagonmash, notableWork, 81-761 Oka metro train]
-
A.
81-760 Oka metro train
chosen
The 81-760 "Oka" is a modern Russian metro train series designed for high-capacity, energy-efficient urban rail service, widely used in the Moscow Metro.
-
B.
Osaka Metro 70 series
The Osaka Metro 70 series is a type of electric multiple unit train used on Osaka’s Nagahori Tsurumi-ryokuchi Line, known for its linear motor propulsion and modern urban transit design.
-
C.
Osaka Metro 66 series
The Osaka Metro 66 series is a type of electric multiple unit train operated by Osaka Metro, primarily serving urban commuter routes in Osaka, Japan.
-
D.
Tokyo Metro 07 series
The Tokyo Metro 07 series is a Japanese electric multiple unit train type that formerly operated on Tokyo Metro lines before being phased out in favor of newer rolling stock.
-
E.
Tokyo Metro 08 series
The Tokyo Metro 08 series is a Japanese electric multiple unit train type operated by Tokyo Metro on urban commuter 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_69d6aa5bd7c08190a816e733b4045c23 |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d6fcc1b8d4819082fde22db39d8b24 |
completed | April 9, 2026, 1:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d998bfc27c8190a9d3e77fbe544a6d |
completed | April 11, 2026, 12:41 a.m. |
Created at: April 8, 2026, 9:10 p.m.