Triple
T9755539
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tamil Nadu Transport Department |
E236543
|
entity |
| Predicate | worksWith |
P398
|
FINISHED |
| Object |
Metropolitan Transport Corporation (Chennai) Limited
Metropolitan Transport Corporation (Chennai) Limited is a state-owned public bus operator providing urban and suburban transport services in and around Chennai, India.
|
E821107
|
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 Transport Corporation (Chennai) Limited | Statement: [Tamil Nadu Transport Department, worksWith, Metropolitan Transport Corporation (Chennai) Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan Transport Corporation (Chennai) Limited Context triple: [Tamil Nadu Transport Department, worksWith, Metropolitan Transport Corporation (Chennai) Limited]
-
A.
Tamil Nadu State Transport Corporation
Tamil Nadu State Transport Corporation is a government-owned public bus operator in the Indian state of Tamil Nadu, providing extensive intra- and inter-city transport services across the region.
-
B.
Mumbai Metro One Private Limited
Mumbai Metro One Private Limited is a special purpose vehicle company responsible for operating and maintaining Mumbai Metro’s Line 1 between Versova and Ghatkopar.
-
C.
Maharashtra Metro Rail Corporation Limited
Maharashtra Metro Rail Corporation Limited is a state-owned joint venture between the Government of India and the Government of Maharashtra responsible for planning, constructing, and operating metro rail systems in Maharashtra, including the Nagpur Metro.
-
D.
Tamil Nadu Transport Department
Tamil Nadu Transport Department is the state government agency responsible for regulating, managing, and overseeing road transport and related services in Tamil Nadu, India.
-
E.
L&T Metro Rail (Hyderabad) Limited
L&T Metro Rail (Hyderabad) Limited is a special purpose vehicle of Larsen & Toubro responsible for developing, operating, and maintaining the Hyderabad Metro rail project under a public-private partnership.
- 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 Transport Corporation (Chennai) Limited Triple: [Tamil Nadu Transport Department, worksWith, Metropolitan Transport Corporation (Chennai) Limited]
Generated description
Metropolitan Transport Corporation (Chennai) Limited is a state-owned public bus operator providing urban and suburban transport services in and around Chennai, India.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metropolitan Transport Corporation (Chennai) Limited Target entity description: Metropolitan Transport Corporation (Chennai) Limited is a state-owned public bus operator providing urban and suburban transport services in and around Chennai, India.
-
A.
Tamil Nadu State Transport Corporation
Tamil Nadu State Transport Corporation is a government-owned public bus operator in the Indian state of Tamil Nadu, providing extensive intra- and inter-city transport services across the region.
-
B.
Mumbai Metro One Private Limited
Mumbai Metro One Private Limited is a special purpose vehicle company responsible for operating and maintaining Mumbai Metro’s Line 1 between Versova and Ghatkopar.
-
C.
Maharashtra Metro Rail Corporation Limited
Maharashtra Metro Rail Corporation Limited is a state-owned joint venture between the Government of India and the Government of Maharashtra responsible for planning, constructing, and operating metro rail systems in Maharashtra, including the Nagpur Metro.
-
D.
Tamil Nadu Transport Department
Tamil Nadu Transport Department is the state government agency responsible for regulating, managing, and overseeing road transport and related services in Tamil Nadu, India.
-
E.
L&T Metro Rail (Hyderabad) Limited
L&T Metro Rail (Hyderabad) Limited is a special purpose vehicle of Larsen & Toubro responsible for developing, operating, and maintaining the Hyderabad Metro rail project under a public-private partnership.
- 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_69ca84d4eddc8190996fec1417d2bae8 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9fb1370c8190bc153db8cababc62 |
completed | April 1, 2026, 10:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1c40da67c8190b9a0193e9b04fedd |
completed | April 5, 2026, 2:08 a.m. |
| NEDg | Description generation | batch_69d1c4c37e248190a1b10cf6d0056c02 |
completed | April 5, 2026, 2:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d1c56957f8819080eca0a71c24f86a |
completed | April 5, 2026, 2:14 a.m. |
Created at: March 30, 2026, 8:24 p.m.