Triple
T6163950
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dhaka Metro Rail |
E137510
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Dhaka Mass Transit Company Limited
Dhaka Mass Transit Company Limited is the state-owned company responsible for developing, operating, and managing Dhaka’s urban metro rail transit system.
|
E573586
|
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: Dhaka Mass Transit Company Limited | Statement: [Dhaka Metro Rail, operator, Dhaka Mass Transit Company Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dhaka Mass Transit Company Limited Context triple: [Dhaka Metro Rail, operator, Dhaka Mass Transit Company Limited]
-
A.
Dhaka Metro Rail
Dhaka Metro Rail is the rapid transit system serving Bangladesh’s capital, designed to reduce traffic congestion and improve urban mobility.
-
B.
Delhi Transport Corporation
Delhi Transport Corporation is the main state-run bus service operator in Delhi, providing public transportation across the city and surrounding regions.
-
C.
BC Rapid Transit Company
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
-
D.
Urban Transport Division
The Urban Transport Division is a specialized unit under India’s Ministry of Housing and Urban Affairs responsible for planning, policy, and coordination of urban mobility and public transport systems in the country.
-
E.
Lahore Metrobus
Lahore Metrobus is a bus rapid transit system in Lahore, Pakistan, providing high-capacity, dedicated-corridor public transportation across the city.
- 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: Dhaka Mass Transit Company Limited Triple: [Dhaka Metro Rail, operator, Dhaka Mass Transit Company Limited]
Generated description
Dhaka Mass Transit Company Limited is the state-owned company responsible for developing, operating, and managing Dhaka’s urban metro rail transit system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dhaka Mass Transit Company Limited Target entity description: Dhaka Mass Transit Company Limited is the state-owned company responsible for developing, operating, and managing Dhaka’s urban metro rail transit system.
-
A.
Dhaka Metro Rail
Dhaka Metro Rail is the rapid transit system serving Bangladesh’s capital, designed to reduce traffic congestion and improve urban mobility.
-
B.
Delhi Transport Corporation
Delhi Transport Corporation is the main state-run bus service operator in Delhi, providing public transportation across the city and surrounding regions.
-
C.
BC Rapid Transit Company
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
-
D.
Urban Transport Division
The Urban Transport Division is a specialized unit under India’s Ministry of Housing and Urban Affairs responsible for planning, policy, and coordination of urban mobility and public transport systems in the country.
-
E.
Lahore Metrobus
Lahore Metrobus is a bus rapid transit system in Lahore, Pakistan, providing high-capacity, dedicated-corridor public transportation across the city.
- 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_69c008a54fc88190b6ce4416490ca79d |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c05d6036f88190a4bf540e7fe8d48d |
completed | March 22, 2026, 9:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c1419e7f0481908b7ce6f36871f1ad |
completed | March 23, 2026, 1:35 p.m. |
| NEDg | Description generation | batch_69c14855288881909b842db040fe5c54 |
completed | March 23, 2026, 2:04 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c148d16c048190a473e8f49df43705 |
completed | March 23, 2026, 2:06 p.m. |
Created at: March 22, 2026, 4:17 p.m.