Triple
T14082326
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Saidapet |
E338896
|
entity |
| Predicate | transportAuthority |
P7691
|
FINISHED |
| Object | Metropolitan Transport Corporation Chennai |
E821107
|
NE FINISHED |
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: Metropolitan Transport Corporation Chennai | Statement: [Saidapet, transportAuthority, Metropolitan Transport Corporation Chennai]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan Transport Corporation Chennai Context triple: [Saidapet, transportAuthority, Metropolitan Transport Corporation Chennai]
-
A.
Metropolitan Transport Corporation (Chennai) Limited
chosen
Metropolitan Transport Corporation (Chennai) Limited is a state-owned public bus operator providing urban and suburban transport services in and around Chennai, India.
-
B.
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.
-
C.
Tiruchirappalli transport authority
Tiruchirappalli transport authority is the regional government body responsible for regulating and managing road transport services, vehicle registration, and traffic administration in the Tiruchirappalli area of Tamil Nadu, India.
-
D.
Chennai Metro
Chennai Metro is a rapid transit system serving the Indian city of Chennai, providing urban rail connectivity across key residential, commercial, and industrial areas.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d81c687b0c819087fd9ed4198403f8 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5c5f759c81909bfd60ab35b0937b |
completed | April 14, 2026, 3:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb6749c3c81909833a0b6ddcae3fb |
completed | May 7, 2026, 3:57 p.m. |
Created at: April 9, 2026, 10:21 p.m.