Triple
T16944509
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagoya Municipal Subway |
E411033
|
entity |
| Predicate | hasRollingStockType |
P1305
|
FINISHED |
| Object |
N1000 series
The N1000 series is a type of electric multiple unit train used for passenger services on the Nagoya Municipal Subway in Japan.
|
E1242088
|
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: N1000 series | Statement: [Nagoya Municipal Subway, hasRollingStockType, N1000 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: N1000 series Context triple: [Nagoya Municipal Subway, hasRollingStockType, N1000 series]
-
A.
N700-8000 series
The N700-8000 series is a variant of Japan’s N700 Shinkansen high-speed train, designed and operated for services on the Kyushu Shinkansen.
-
B.
E131 series
The E131 series is a modern Japanese electric multiple unit train type operated by JR East for suburban and regional passenger services.
-
C.
Nankai 1000 series
The Nankai 1000 series is a Japanese electric multiple unit train type operated by Nankai Electric Railway on commuter services in the Osaka area.
-
D.
N700A series
The N700A series is an advanced Japanese Shinkansen high-speed train known for its improved acceleration, energy efficiency, and ride comfort on major bullet train lines.
-
E.
Toei 5500 series
The Toei 5500 series is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services and improved comfort and performance on the Toei Asakusa Line.
- 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: N1000 series Triple: [Nagoya Municipal Subway, hasRollingStockType, N1000 series]
Generated description
The N1000 series is a type of electric multiple unit train used for passenger services on the Nagoya Municipal Subway in Japan.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: N1000 series Target entity description: The N1000 series is a type of electric multiple unit train used for passenger services on the Nagoya Municipal Subway in Japan.
-
A.
N700-8000 series
The N700-8000 series is a variant of Japan’s N700 Shinkansen high-speed train, designed and operated for services on the Kyushu Shinkansen.
-
B.
E131 series
The E131 series is a modern Japanese electric multiple unit train type operated by JR East for suburban and regional passenger services.
-
C.
Nankai 1000 series
The Nankai 1000 series is a Japanese electric multiple unit train type operated by Nankai Electric Railway on commuter services in the Osaka area.
-
D.
N700A series
The N700A series is an advanced Japanese Shinkansen high-speed train known for its improved acceleration, energy efficiency, and ride comfort on major bullet train lines.
-
E.
Toei 5500 series
The Toei 5500 series is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services and improved comfort and performance on the Toei Asakusa Line.
- F. None of above. chosen
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_69d886c886688190967be07322597ac9 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3cfb08da88190b07c32652bbc1534 |
completed | April 18, 2026, 6:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00cfea3bc88190acaa013169d607c5 |
completed | May 10, 2026, 6:35 p.m. |
| NEDg | Description generation | batch_6a00d0b13f1c819091f3f8b966e36214 |
completed | May 10, 2026, 6:38 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00d1ad6b7081908be76d70ad9e2075 |
completed | May 10, 2026, 6:42 p.m. |
Created at: April 10, 2026, 5:31 a.m.