Triple
T22482705
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chengdu Metro Line 2 |
E555804
|
entity |
| Predicate | hasDepot |
P2413
|
FINISHED |
| Object |
Chengdu Metro Line 2 depot
The Chengdu Metro Line 2 depot is a dedicated maintenance and storage facility that services and houses the rolling stock and equipment used on Chengdu Metro’s Line 2.
|
E555804
|
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: Chengdu Metro Line 2 depot | Statement: [Chengdu Metro Line 2, hasDepot, Chengdu Metro Line 2 depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chengdu Metro Line 2 depot Context triple: [Chengdu Metro Line 2, hasDepot, Chengdu Metro Line 2 depot]
-
A.
Chengdu Metro Line 2
Chengdu Metro Line 2 is a major east–west rapid transit line in Chengdu’s metro system, connecting key commercial, residential, and transport hubs across the city.
-
B.
Chengdu Metro Line 3
Chengdu Metro Line 3 is a major rapid transit line in Chengdu’s metro system that connects key commercial, residential, and cultural areas across the city.
-
C.
Chengdu Metro
Chengdu Metro is the rapid transit system serving Chengdu, China, providing urban rail transportation across the city and its metropolitan area.
-
D.
Chengdu South railway station
Chengdu South railway station is a major passenger and transportation hub in Chengdu, China, serving regional and high-speed rail services in the city’s southern area.
-
E.
Sanyuanqiao depot
Sanyuanqiao depot is a maintenance and storage facility serving Beijing’s Capital Airport Express 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: Chengdu Metro Line 2 depot Triple: [Chengdu Metro Line 2, hasDepot, Chengdu Metro Line 2 depot]
Generated description
The Chengdu Metro Line 2 depot is a dedicated maintenance and storage facility that services and houses the rolling stock and equipment used on Chengdu Metro’s Line 2.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chengdu Metro Line 2 depot Target entity description: The Chengdu Metro Line 2 depot is a dedicated maintenance and storage facility that services and houses the rolling stock and equipment used on Chengdu Metro’s Line 2.
-
A.
Chengdu Metro Line 2
chosen
Chengdu Metro Line 2 is a major east–west rapid transit line in Chengdu’s metro system, connecting key commercial, residential, and transport hubs across the city.
-
B.
Chengdu Metro Line 3
Chengdu Metro Line 3 is a major rapid transit line in Chengdu’s metro system that connects key commercial, residential, and cultural areas across the city.
-
C.
Chengdu Metro
Chengdu Metro is the rapid transit system serving Chengdu, China, providing urban rail transportation across the city and its metropolitan area.
-
D.
Chengdu South railway station
Chengdu South railway station is a major passenger and transportation hub in Chengdu, China, serving regional and high-speed rail services in the city’s southern area.
-
E.
Sanyuanqiao depot
Sanyuanqiao depot is a maintenance and storage facility serving Beijing’s Capital Airport Express line.
- 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_69e11e53897c819088863779f8c50bb0 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15c3a3b688190b41599979d038d85 |
completed | April 29, 2026, 1:17 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0b12645b2c819080826a02b6151429 |
completed | May 18, 2026, 1:21 p.m. |
| NEDg | Description generation | batch_6a0b14b7acac819090bfd6144df84be6 |
completed | May 18, 2026, 1:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0b154f7e0c8190b0ca64d582982d62 |
completed | May 18, 2026, 1:34 p.m. |
Created at: April 16, 2026, 8:49 p.m.