Triple
T23124935
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MRT Line 5 |
E577000
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Dhaka Metro Rail |
—
|
NE NERFINISHED |
How this triple was built (2 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 Metro Rail | Statement: [MRT Line 5, partOf, Dhaka Metro Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dhaka Metro Rail Context triple: [MRT Line 5, partOf, Dhaka Metro Rail]
-
A.
Dhaka Metro Rail
chosen
Dhaka Metro Rail is the rapid transit system serving Bangladesh’s capital, designed to reduce traffic congestion and improve urban mobility.
-
B.
Bangladesh Railway
Bangladesh Railway is the state-owned national rail transport agency of Bangladesh, responsible for operating and maintaining the country’s railway network.
-
C.
Kolkata Metro
Kolkata Metro is India’s oldest rapid transit system, serving as a major urban rail network for the city of Kolkata and its surrounding areas.
-
D.
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.
-
E.
Dhaka Transport Coordination Authority
The Dhaka Transport Coordination Authority is a government agency responsible for planning, coordinating, and regulating urban transport systems in Dhaka, Bangladesh.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245f6c2e881909a228fdcfeb7c7d3 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18e53ac288190b27fe8064fb576c2 |
completed | April 29, 2026, 4:51 a.m. |
Created at: April 17, 2026, 3:59 p.m.