Triple
T7080943
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Changchun |
E164950
|
entity |
| Predicate | hasMetro |
P17559
|
FINISHED |
| Object |
Changchun Rail Transit
Changchun Rail Transit is the urban rapid transit system serving Changchun, China, comprising multiple metro and light rail lines that connect key districts across the city.
|
E641203
|
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: Changchun Rail Transit | Statement: [Changchun, hasMetro, Changchun Rail Transit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Changchun Rail Transit Context triple: [Changchun, hasMetro, Changchun Rail Transit]
-
A.
Shenyang Metro
Shenyang Metro is the rapid transit system serving the city of Shenyang, China, providing urban rail transportation across multiple lines and key hubs.
-
B.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
C.
Jinan Metro
Jinan Metro is the rapid transit system serving the city of Jinan, providing urban rail transportation across the provincial capital of Shandong, China.
-
D.
Tianjin Metro
Tianjin Metro is the rapid transit system serving the city of Tianjin, China, providing urban and suburban rail transportation across the municipality.
-
E.
Nanchang Metro
Nanchang Metro is the rapid transit system serving the city of Nanchang in Jiangxi Province, China.
- 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: Changchun Rail Transit Triple: [Changchun, hasMetro, Changchun Rail Transit]
Generated description
Changchun Rail Transit is the urban rapid transit system serving Changchun, China, comprising multiple metro and light rail lines that connect key districts across the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Changchun Rail Transit Target entity description: Changchun Rail Transit is the urban rapid transit system serving Changchun, China, comprising multiple metro and light rail lines that connect key districts across the city.
-
A.
Shenyang Metro
Shenyang Metro is the rapid transit system serving the city of Shenyang, China, providing urban rail transportation across multiple lines and key hubs.
-
B.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
C.
Jinan Metro
Jinan Metro is the rapid transit system serving the city of Jinan, providing urban rail transportation across the provincial capital of Shandong, China.
-
D.
Tianjin Metro
Tianjin Metro is the rapid transit system serving the city of Tianjin, China, providing urban and suburban rail transportation across the municipality.
-
E.
Nanchang Metro
Nanchang Metro is the rapid transit system serving the city of Nanchang in Jiangxi Province, China.
- 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_69c6887cbc6c8190bdfac42d940f4d8a |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e4f1f5748190b214856bcfc70d81 |
completed | March 27, 2026, 8:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c79477a79c81909b51175a24d17142 |
completed | March 28, 2026, 8:42 a.m. |
| NEDg | Description generation | batch_69c798cd9e4c8190a9dc1176d60d2cf6 |
completed | March 28, 2026, 9:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c799fae8608190b0cd94d59ab589a4 |
completed | March 28, 2026, 9:06 a.m. |
Created at: March 27, 2026, 2:40 p.m.