Triple
T21623205
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City Hall Station |
E533628
|
entity |
| Predicate | fareSystem |
P395
|
FINISHED |
| Object |
Metropolitan integrated fare system of Seoul
The Metropolitan integrated fare system of Seoul is a unified public transit payment scheme that allows seamless transfers and distance-based fares across the city’s subways, buses, and some regional services using contactless smart cards.
|
E1492899
|
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: Metropolitan integrated fare system of Seoul | Statement: [City Hall Station, fareSystem, Metropolitan integrated fare system of Seoul]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan integrated fare system of Seoul Context triple: [City Hall Station, fareSystem, Metropolitan integrated fare system of Seoul]
-
A.
Seoul Metro
Seoul Metro is the public corporation responsible for operating a major portion of the Seoul Metropolitan Subway system in South Korea.
-
B.
Daegu Metro
Daegu Metro is the urban rapid transit system serving the city of Daegu in South Korea, providing high-capacity rail transportation across the metropolitan area.
-
C.
Seoul Metropolitan Subway
The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.
-
D.
Uijeongbu Light Rail Transit
Uijeongbu Light Rail Transit is an automated light metro system serving the city of Uijeongbu in Gyeonggi Province, South Korea.
-
E.
Daejeon Metro
Daejeon Metro is the urban rapid transit system serving the city of Daejeon in South Korea.
- 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: Metropolitan integrated fare system of Seoul Triple: [City Hall Station, fareSystem, Metropolitan integrated fare system of Seoul]
Generated description
The Metropolitan integrated fare system of Seoul is a unified public transit payment scheme that allows seamless transfers and distance-based fares across the city’s subways, buses, and some regional services using contactless smart cards.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metropolitan integrated fare system of Seoul Target entity description: The Metropolitan integrated fare system of Seoul is a unified public transit payment scheme that allows seamless transfers and distance-based fares across the city’s subways, buses, and some regional services using contactless smart cards.
-
A.
Seoul Metro
Seoul Metro is the public corporation responsible for operating a major portion of the Seoul Metropolitan Subway system in South Korea.
-
B.
Daegu Metro
Daegu Metro is the urban rapid transit system serving the city of Daegu in South Korea, providing high-capacity rail transportation across the metropolitan area.
-
C.
Seoul Metropolitan Subway
The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.
-
D.
Uijeongbu Light Rail Transit
Uijeongbu Light Rail Transit is an automated light metro system serving the city of Uijeongbu in Gyeonggi Province, South Korea.
-
E.
Daejeon Metro
Daejeon Metro is the urban rapid transit system serving the city of Daejeon in South Korea.
- 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_69e0c464fba881908d0ff2ac80511ce1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ef3bb0c42c8190997fbeb7a764d60e |
completed | April 27, 2026, 10:34 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09fd4649ac8190bae1adba3110846b |
completed | May 17, 2026, 5:39 p.m. |
| NEDg | Description generation | batch_6a09fe88fd24819097d222291bc63608 |
completed | May 17, 2026, 5:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09ff257c548190a7304bfee02dcbaf |
completed | May 17, 2026, 5:47 p.m. |
Created at: April 16, 2026, 6:34 p.m.