Triple
T14518074
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bangalore Metro |
E340575
|
entity |
| Predicate | rollingStockManufacturer |
P27543
|
FINISHED |
| Object |
CRRC Nanjing Puzhen
CRRC Nanjing Puzhen is a major Chinese rolling stock manufacturer known for producing metro and urban rail trains for transit systems in China and abroad.
|
E1103170
|
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: CRRC Nanjing Puzhen | Statement: [Bangalore Metro, rollingStockManufacturer, CRRC Nanjing Puzhen]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CRRC Nanjing Puzhen Context triple: [Bangalore Metro, rollingStockManufacturer, CRRC Nanjing Puzhen]
-
A.
CRRC Qingdao Sifang
CRRC Qingdao Sifang is a major Chinese rolling stock manufacturer best known for designing and producing high-speed trains and urban rail vehicles used across China and in international markets.
-
B.
CRRC Changchun Railway Vehicles
CRRC Changchun Railway Vehicles is a major Chinese manufacturer of railway rolling stock, including high-speed trains, metro cars, and other urban rail vehicles.
-
C.
CRRC Dalian
CRRC Dalian is a major Chinese manufacturer of locomotives and rolling stock, known for producing diesel and electric trains for domestic and international rail markets.
-
D.
CRRC Tangshan
CRRC Tangshan is a major Chinese rolling stock manufacturer known for producing high-speed trains, metro cars, and other railway vehicles as part of the CRRC Corporation group.
-
E.
CRRC Corporation
CRRC Corporation is a Chinese state-owned rolling stock manufacturer and one of the world’s largest producers of railway equipment and trains.
- 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: CRRC Nanjing Puzhen Triple: [Bangalore Metro, rollingStockManufacturer, CRRC Nanjing Puzhen]
Generated description
CRRC Nanjing Puzhen is a major Chinese rolling stock manufacturer known for producing metro and urban rail trains for transit systems in China and abroad.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CRRC Nanjing Puzhen Target entity description: CRRC Nanjing Puzhen is a major Chinese rolling stock manufacturer known for producing metro and urban rail trains for transit systems in China and abroad.
-
A.
CRRC Qingdao Sifang
CRRC Qingdao Sifang is a major Chinese rolling stock manufacturer best known for designing and producing high-speed trains and urban rail vehicles used across China and in international markets.
-
B.
CRRC Changchun Railway Vehicles
CRRC Changchun Railway Vehicles is a major Chinese manufacturer of railway rolling stock, including high-speed trains, metro cars, and other urban rail vehicles.
-
C.
CRRC Dalian
CRRC Dalian is a major Chinese manufacturer of locomotives and rolling stock, known for producing diesel and electric trains for domestic and international rail markets.
-
D.
CRRC Tangshan
CRRC Tangshan is a major Chinese rolling stock manufacturer known for producing high-speed trains, metro cars, and other railway vehicles as part of the CRRC Corporation group.
-
E.
CRRC Corporation
CRRC Corporation is a Chinese state-owned rolling stock manufacturer and one of the world’s largest producers of railway equipment and trains.
- 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_69d822d9c0408190b9a2b3643e58bb4d |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69de9a6f50208190b687b505f5cd1aa2 |
completed | April 14, 2026, 7:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd6da80dc88190afa96760efb0c7de |
completed | May 8, 2026, 4:59 a.m. |
| NEDg | Description generation | batch_69fd6f24431c81908a25ad81c28da56d |
completed | May 8, 2026, 5:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd6ff5a58881909987fa653e58a197 |
completed | May 8, 2026, 5:09 a.m. |
Created at: April 10, 2026, 1:22 a.m.