Triple
T8614802
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Madurai Junction railway station |
E204008
|
entity |
| Predicate | isHeadquartersOf |
P62
|
FINISHED |
| Object | Madurai railway division |
E745475
|
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: Madurai railway division | Statement: [Madurai Junction railway station, isHeadquartersOf, Madurai railway division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Madurai railway division Context triple: [Madurai Junction railway station, isHeadquartersOf, Madurai railway division]
-
A.
Madurai railway division
chosen
Madurai railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Madurai in the state of Tamil Nadu.
-
B.
Tiruchirappalli railway division
Tiruchirappalli railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Tiruchirappalli in the Southern Railway zone.
-
C.
Chennai railway division
Chennai railway division is a major administrative division of Indian Railways responsible for operating and managing railway services in and around the Chennai region.
-
D.
Bengaluru railway division
Bengaluru railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Bengaluru.
-
E.
Madurai Junction railway station
Madurai Junction railway station is a major railway hub in Tamil Nadu, India, serving as a key transit point for trains connecting southern cities with the rest of the country.
- 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_69ca832ceab8819096e4a9f546695079 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cc47020748819090f658c115c1a7b9 |
completed | March 31, 2026, 10:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cebbc1d8a08190bbcf7c4cef0fe04d |
completed | April 2, 2026, 6:56 p.m. |
Created at: March 30, 2026, 6:25 p.m.