Triple
T12147293
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Changzhou Metro |
E289357
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
Changzhou Metro Line 2
Changzhou Metro Line 2 is an urban rapid transit line in Changzhou, China, forming part of the city's expanding metro network and connecting key districts across the city.
|
E289357
|
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: Changzhou Metro Line 2 | Statement: [Changzhou Metro, hasLine, Changzhou Metro Line 2]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Changzhou Metro Line 2 Context triple: [Changzhou Metro, hasLine, Changzhou Metro Line 2]
-
A.
Changzhou Metro
Changzhou Metro is the urban rapid transit system serving the city of Changzhou in Jiangsu Province, China.
-
B.
Nanjing Metro Line 2
Nanjing Metro Line 2 is an east–west rapid transit line in Nanjing’s metro system that connects key urban districts and major transport hubs across the city.
-
C.
Nanjing Metro Line 10
Nanjing Metro Line 10 is an urban rapid transit line in Nanjing, China, connecting key districts on the city's western side and serving as part of the Nanjing Metro network.
-
D.
Nanjing Metro Line S1
Nanjing Metro Line S1 is an airport rail link in Nanjing, China, providing rapid transit service between the city’s urban area and Nanjing Lukou International Airport.
-
E.
Nanjing Metro
Nanjing Metro is the rapid transit system serving the city of Nanjing, China, comprising multiple urban and suburban lines that form a major part of the city's public transportation network.
- 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: Changzhou Metro Line 2 Triple: [Changzhou Metro, hasLine, Changzhou Metro Line 2]
Generated description
Changzhou Metro Line 2 is an urban rapid transit line in Changzhou, China, forming part of the city's expanding metro network and connecting key districts across the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Changzhou Metro Line 2 Target entity description: Changzhou Metro Line 2 is an urban rapid transit line in Changzhou, China, forming part of the city's expanding metro network and connecting key districts across the city.
-
A.
Changzhou Metro
chosen
Changzhou Metro is the urban rapid transit system serving the city of Changzhou in Jiangsu Province, China.
-
B.
Nanjing Metro Line 2
Nanjing Metro Line 2 is an east–west rapid transit line in Nanjing’s metro system that connects key urban districts and major transport hubs across the city.
-
C.
Nanjing Metro Line 10
Nanjing Metro Line 10 is an urban rapid transit line in Nanjing, China, connecting key districts on the city's western side and serving as part of the Nanjing Metro network.
-
D.
Nanjing Metro Line S1
Nanjing Metro Line S1 is an airport rail link in Nanjing, China, providing rapid transit service between the city’s urban area and Nanjing Lukou International Airport.
-
E.
Nanjing Metro
Nanjing Metro is the rapid transit system serving the city of Nanjing, China, comprising multiple urban and suburban lines that form a major part of the city's public transportation network.
- 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_69d6ab4c6710819097a9d228382dde43 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d915ac2ebc81909155f9b2fb4a2252 |
completed | April 10, 2026, 3:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f60a7e24ac819083e85fb8edb2ed2c |
completed | May 2, 2026, 2:30 p.m. |
| NEDg | Description generation | batch_69f60bdb39f48190ad6bc51db6c34163 |
completed | May 2, 2026, 2:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f60d4889d48190b2dfda8a0978cc72 |
completed | May 2, 2026, 2:42 p.m. |
Created at: April 8, 2026, 9:49 p.m.