Triple
T17153239
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seoul Subway Line 9 |
E416274
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
Hyundai Rotem metro trains
Hyundai Rotem metro trains are modern electric multiple units manufactured by South Korean company Hyundai Rotem, widely used in urban rapid transit systems for high-capacity, efficient passenger service.
|
E246227
|
NE FINISHED |
How this triple was built (4 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: Hyundai Rotem metro trains | Statement: [Seoul Subway Line 9, rollingStock, Hyundai Rotem metro trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hyundai Rotem metro trains Context triple: [Seoul Subway Line 9, rollingStock, Hyundai Rotem metro trains]
-
A.
Hyundai Rotem low-floor tram
The Hyundai Rotem low-floor tram is a modern, accessible light-rail vehicle designed for urban public transport, featuring a low-floor design for easy boarding and efficient passenger flow.
-
B.
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.
-
C.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
D.
BTS EMU trainsets
BTS EMU trainsets are electric multiple-unit trains that operate on Bangkok’s BTS Skytrain rapid transit system.
-
E.
MARTA heavy rail cars
MARTA heavy rail cars are electric multiple-unit subway trains used to provide rapid transit service on Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Hyundai Rotem metro trains Triple: [Seoul Subway Line 9, rollingStock, Hyundai Rotem metro trains]
Generated description
Hyundai Rotem metro trains are modern electric multiple units manufactured by South Korean company Hyundai Rotem, widely used in urban rapid transit systems for high-capacity, efficient passenger service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hyundai Rotem metro trains Target entity description: Hyundai Rotem metro trains are modern electric multiple units manufactured by South Korean company Hyundai Rotem, widely used in urban rapid transit systems for high-capacity, efficient passenger service.
-
A.
Hyundai Rotem low-floor tram
chosen
The Hyundai Rotem low-floor tram is a modern, accessible light-rail vehicle designed for urban public transport, featuring a low-floor design for easy boarding and efficient passenger flow.
-
B.
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.
-
C.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
D.
BTS EMU trainsets
BTS EMU trainsets are electric multiple-unit trains that operate on Bangkok’s BTS Skytrain rapid transit system.
-
E.
MARTA heavy rail cars
MARTA heavy rail cars are electric multiple-unit subway trains used to provide rapid transit service on Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
- F. None of above.
Provenance (5 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_69d886d279c081909f8ff1f743ddeb69 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3f4092c40819096359ff90af16c3e |
completed | April 18, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01415d19288190beb3c94da2ce8c0e |
completed | May 11, 2026, 2:39 a.m. |
| NEDg | Description generation | batch_6a01422c0f088190b162c7086bc93585 |
completed | May 11, 2026, 2:42 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0142f274ec819081eb15a3ea0e1b13 |
completed | May 11, 2026, 2:46 a.m. |
Created at: April 10, 2026, 5:37 a.m.