Triple
T2786642
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MRT subway |
E61825
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object |
Bangkok Expressway and Metro Public Company Limited
Bangkok Expressway and Metro Public Company Limited is a major Thai infrastructure company that develops and operates urban rail transit and expressway systems in Bangkok.
|
E300203
|
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: Bangkok Expressway and Metro Public Company Limited | Statement: [MRT subway, operatedBy, Bangkok Expressway and Metro Public Company Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bangkok Expressway and Metro Public Company Limited Context triple: [MRT subway, operatedBy, Bangkok Expressway and Metro Public Company Limited]
-
A.
State Railway of Thailand
The State Railway of Thailand is the national state-owned rail operator responsible for managing and running most of Thailand’s railway services and infrastructure.
-
B.
Airports of Thailand PCL
Airports of Thailand PCL is a state-controlled public company that manages and operates major international and domestic airports across Thailand.
-
C.
Bangkok Metropolitan Administration
The Bangkok Metropolitan Administration is the local government authority responsible for managing and providing public services for Thailand’s capital city.
-
D.
BTS Skytrain
The BTS Skytrain is an elevated rapid transit system that serves as one of Bangkok’s primary urban rail networks, helping alleviate traffic congestion and connect key commercial and residential areas across the city.
-
E.
Tehran Urban and Suburban Railway and Bus Company
Tehran Urban and Suburban Railway and Bus Company is the municipal public transport operator responsible for managing Tehran’s metro and bus systems, including the city’s Bus Rapid Transit 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: Bangkok Expressway and Metro Public Company Limited Triple: [MRT subway, operatedBy, Bangkok Expressway and Metro Public Company Limited]
Generated description
Bangkok Expressway and Metro Public Company Limited is a major Thai infrastructure company that develops and operates urban rail transit and expressway systems in Bangkok.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bangkok Expressway and Metro Public Company Limited Target entity description: Bangkok Expressway and Metro Public Company Limited is a major Thai infrastructure company that develops and operates urban rail transit and expressway systems in Bangkok.
-
A.
State Railway of Thailand
The State Railway of Thailand is the national state-owned rail operator responsible for managing and running most of Thailand’s railway services and infrastructure.
-
B.
Suvarnabhumi Airport Rail Link
Suvarnabhumi Airport Rail Link is a rapid transit line in Bangkok that provides fast rail service between Suvarnabhumi Airport and the city center.
-
C.
Airports of Thailand PCL
Airports of Thailand PCL is a state-controlled public company that manages and operates major international and domestic airports across Thailand.
-
D.
Bangkok Metropolitan Administration
The Bangkok Metropolitan Administration is the local government authority responsible for managing and providing public services for Thailand’s capital city.
-
E.
Silom Line
The Silom Line is one of Bangkok’s main BTS Skytrain routes, running through key commercial and business districts including Silom and Sathorn.
- 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_69ab4b7f51d881908768300ebd2fbdae |
completed | March 6, 2026, 9:47 p.m. |
| NER | Named-entity recognition | batch_69abddb0d3488190a3f2bf47ebb35802 |
completed | March 7, 2026, 8:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afc6526d0c81908df1710709cc5346 |
completed | March 10, 2026, 7:20 a.m. |
| NEDg | Description generation | batch_69afc852c0988190bba816db0940139f |
completed | March 10, 2026, 7:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afc8b333848190bf4bfbc31f9c5147 |
completed | March 10, 2026, 7:30 a.m. |
Created at: March 6, 2026, 9:57 p.m.