Triple
T14046867
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai railway division |
E337978
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Chennai metropolitan area |
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 metropolitan area | Statement: [Chennai railway division, serves, Chennai metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chennai metropolitan area Context triple: [Chennai railway division, serves, Chennai metropolitan area]
-
A.
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.
-
B.
Visakhapatnam metropolitan region
The Visakhapatnam metropolitan region is a major urban and industrial agglomeration on India’s eastern coast centered around the port city of Visakhapatnam in Andhra Pradesh.
-
C.
North Chennai
North Chennai is a historically industrial and densely populated northern sector of Chennai known for its ports, manufacturing hubs, and working-class neighborhoods.
-
D.
Mumbai Metropolitan Region
The Mumbai Metropolitan Region is a vast urban agglomeration in western India centered on Mumbai, encompassing the city and its surrounding suburbs and satellite towns.
-
E.
Tirupati urban area
Tirupati urban area is the densely populated city region surrounding the famous Tirupati temple town in Andhra Pradesh, India, encompassing its residential, commercial, and institutional zones.
- 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_69d81c664e48819088cbd8f433aeffe5 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de312df37081909f45ce3e219af5dc |
completed | April 14, 2026, 12:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd324133f8819088c0d80a4e8fb5be |
completed | May 8, 2026, 12:45 a.m. |
Created at: April 9, 2026, 10:20 p.m.