Triple
T8094713
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 9 (Guangzhou Metro) |
E188953
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object |
Guangzhou Metro Type B trains
Guangzhou Metro Type B trains are standard-gauge electric multiple units used across several lines of the Guangzhou Metro system to provide high-capacity urban rail transit.
|
E711866
|
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: Guangzhou Metro Type B trains | Statement: [Line 9 (Guangzhou Metro), hasRollingStock, Guangzhou Metro Type B trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Guangzhou Metro Type B trains Context triple: [Line 9 (Guangzhou Metro), hasRollingStock, Guangzhou Metro Type B trains]
-
A.
Shanghai Metro Type A trains
Shanghai Metro Type A trains are high-capacity electric multiple units used across the Shanghai Metro system, designed for heavy-traffic urban rapid transit lines such as Line 11.
-
B.
Guangzhou Metro
Guangzhou Metro is the rapid transit system serving Guangzhou, China, forming one of the country’s largest and busiest urban rail networks.
-
C.
Guangzhou Metro Line 22
Guangzhou Metro Line 22 is a high-speed rapid transit line in Guangzhou designed to provide fast regional connections between major transport hubs and urban districts.
-
D.
Foshan Metro
Foshan Metro is the urban rapid transit system serving Foshan in Guangdong Province, China, integrated with the Guangzhou Metro to form a larger intercity rail network in the Pearl River Delta.
-
E.
Guangzhou BRT
Guangzhou BRT is a high-capacity bus rapid transit system in Guangzhou, China, recognized for its innovative corridor design and heavy passenger throughput.
- 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: Guangzhou Metro Type B trains Triple: [Line 9 (Guangzhou Metro), hasRollingStock, Guangzhou Metro Type B trains]
Generated description
Guangzhou Metro Type B trains are standard-gauge electric multiple units used across several lines of the Guangzhou Metro system to provide high-capacity urban rail transit.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Guangzhou Metro Type B trains Target entity description: Guangzhou Metro Type B trains are standard-gauge electric multiple units used across several lines of the Guangzhou Metro system to provide high-capacity urban rail transit.
-
A.
Shanghai Metro Type A trains
Shanghai Metro Type A trains are high-capacity electric multiple units used across the Shanghai Metro system, designed for heavy-traffic urban rapid transit lines such as Line 11.
-
B.
Guangzhou Metro
Guangzhou Metro is the rapid transit system serving Guangzhou, China, forming one of the country’s largest and busiest urban rail networks.
-
C.
Guangzhou Metro Line 22
Guangzhou Metro Line 22 is a high-speed rapid transit line in Guangzhou designed to provide fast regional connections between major transport hubs and urban districts.
-
D.
Foshan Metro
Foshan Metro is the urban rapid transit system serving Foshan in Guangdong Province, China, integrated with the Guangzhou Metro to form a larger intercity rail network in the Pearl River Delta.
-
E.
Guangzhou BRT
Guangzhou BRT is a high-capacity bus rapid transit system in Guangzhou, China, recognized for its innovative corridor design and heavy passenger throughput.
- 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_69ca82b7b3e88190b9041ab0ef28b3cb |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb429089cc81909e4625f9cc7e305f |
completed | March 31, 2026, 3:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cc64112138819096050975d707d8ee |
completed | April 1, 2026, 12:17 a.m. |
| NEDg | Description generation | batch_69cc68647cec81909736383fbe73d2e8 |
completed | April 1, 2026, 12:35 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc69b93bbc8190be2338182dd57b17 |
completed | April 1, 2026, 12:41 a.m. |
Created at: March 30, 2026, 5:30 p.m.