Triple
T13036579
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Railway zone |
E326576
|
entity |
| Predicate | headquarters |
P62
|
FINISHED |
| Object | Chennai, Tamil Nadu, India |
E12324
|
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: Chennai, Tamil Nadu, India | Statement: [Southern Railway zone, headquarters, Chennai, Tamil Nadu, India]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chennai, Tamil Nadu, India Context triple: [Southern Railway zone, headquarters, Chennai, Tamil Nadu, India]
-
A.
Chidambaram, Tamil Nadu, India
Chidambaram, in the Indian state of Tamil Nadu, is a historic temple town best known for the famous Nataraja Temple dedicated to Lord Shiva.
-
B.
Madras, India
Madras, India—now known as Chennai—is a major coastal metropolis in South India and the capital of the state of Tamil Nadu.
-
C.
Wellington, Tamil Nadu
Wellington, Tamil Nadu is a small hill town and military cantonment in the Nilgiris district of southern India, known for housing key Indian Army training institutions.
-
D.
Chennai
chosen
Chennai is a major coastal metropolis in southern India, serving as the capital of Tamil Nadu and a key cultural, economic, and automotive hub.
-
E.
Sivaganga, Tamil Nadu
Sivaganga is a parliamentary constituency and town in the Sivaganga district of Tamil Nadu, India, known for its political significance and agrarian economy.
- 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_69d8076cc45c81908123123f43e69266 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d97f2a71a0819098bb6cf8a4b2208a |
completed | April 10, 2026, 10:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6cbd12eec81908ad5dae638c2210e |
completed | May 3, 2026, 4:15 a.m. |
Created at: April 9, 2026, 8:55 p.m.