Triple
T18899962
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ramat Gan light rail and bus lines |
E462311
|
entity |
| Predicate | hasOperator |
P179
|
FINISHED |
| Object | NTA Metropolitan Mass Transit System Ltd. |
—
|
NE NERFINISHED |
How this triple was built (3 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: NTA Metropolitan Mass Transit System Ltd. | Statement: [Ramat Gan light rail and bus lines, hasOperator, NTA Metropolitan Mass Transit System Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NTA Metropolitan Mass Transit System Ltd. Context triple: [Ramat Gan light rail and bus lines, hasOperator, NTA Metropolitan Mass Transit System Ltd.]
-
A.
Delhi Metro Rail Corporation
Delhi Metro Rail Corporation is the state-owned company responsible for planning, constructing, and operating the Delhi Metro rapid transit system in India.
-
B.
Noida Metro Rail Corporation
Noida Metro Rail Corporation is the government-backed organization responsible for developing, operating, and maintaining the metro rail network in Noida and Greater Noida, India.
-
C.
Bangalore Metropolitan Transport Corporation
Bangalore Metropolitan Transport Corporation is the government-run public bus agency responsible for operating urban and suburban bus services in and around Bengaluru, India.
-
D.
Kolkata metropolitan transport region
The Kolkata metropolitan transport region is the broader urban area around Kolkata, India, overseen by a unified transport authority that plans and regulates public transportation across multiple surrounding towns and suburbs.
-
E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: NTA Metropolitan Mass Transit System Ltd. Target entity description: NTA Metropolitan Mass Transit System Ltd. is the Israeli government-owned company responsible for planning, building, and operating mass transit systems in the Tel Aviv metropolitan area.
-
A.
Delhi Metro Rail Corporation
Delhi Metro Rail Corporation is the state-owned company responsible for planning, constructing, and operating the Delhi Metro rapid transit system in India.
-
B.
Noida Metro Rail Corporation
Noida Metro Rail Corporation is the government-backed organization responsible for developing, operating, and maintaining the metro rail network in Noida and Greater Noida, India.
-
C.
Bangalore Metropolitan Transport Corporation
Bangalore Metropolitan Transport Corporation is the government-run public bus agency responsible for operating urban and suburban bus services in and around Bengaluru, India.
-
D.
Kolkata metropolitan transport region
The Kolkata metropolitan transport region is the broader urban area around Kolkata, India, overseen by a unified transport authority that plans and regulates public transportation across multiple surrounding towns and suburbs.
-
E.
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.
- F. None of above. chosen
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_69d8dcfd05bc819088903cca13cc2846 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c5289ba48190a6825c4db2e5e48d |
completed | April 20, 2026, 6:18 a.m. |
Created at: April 10, 2026, 11:58 a.m.