Triple
T8352021
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Howrah railway division |
E196583
|
entity |
| Predicate | servesCity |
P82
|
FINISHED |
| Object | Kolkata metropolitan area |
E295867
|
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: Kolkata metropolitan area | Statement: [Howrah railway division, servesCity, Kolkata metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kolkata metropolitan area Context triple: [Howrah railway division, servesCity, Kolkata metropolitan area]
-
A.
Kolkata Metropolitan Area
chosen
The Kolkata Metropolitan Area is the extensive urban agglomeration centered on Kolkata in eastern India, encompassing the city and its surrounding municipalities and suburbs as one of the country’s largest metropolitan regions.
-
B.
Kolkata district
Kolkata district is an administrative district in the Indian state of West Bengal that encompasses the core urban area of Kolkata, one of India’s largest and historically significant metropolitan cities.
-
C.
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.
-
D.
Prayagraj metropolitan area
Prayagraj metropolitan area is a major urban and administrative hub in the Indian state of Uttar Pradesh, centered on the historic city of Prayagraj at the confluence of the Ganges, Yamuna, and mythical Saraswati rivers.
-
E.
Mambai
Mambai is an Austronesian language spoken primarily in East Timor, where it is one of the country’s major indigenous languages.
- 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_69ca82f08b348190bfb7881944bbff6f |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb80460f048190aa298ddffde1047d |
completed | March 31, 2026, 8:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cea805b8bc8190924dcf2ab51ba1e7 |
completed | April 2, 2026, 5:31 p.m. |
Created at: March 30, 2026, 5:59 p.m.