Triple
T13036601
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Railway zone |
E326576
|
entity |
| Predicate | majorHub |
P2958
|
FINISHED |
| Object | Madurai Junction |
E204008
|
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 Junction | Statement: [Southern Railway zone, majorHub, Madurai Junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Madurai Junction Context triple: [Southern Railway zone, majorHub, Madurai Junction]
-
A.
Tiruvarur Junction
Tiruvarur Junction is a key railway station and transport hub in the town of Tiruvarur in Tamil Nadu, India, connecting several regional rail lines.
-
B.
Erode Junction
Erode Junction is a major railway station and transport hub in the city of Erode, Tamil Nadu, serving as an important junction on the Southern Railway network of India.
-
C.
Madurai Junction railway station
chosen
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.
-
D.
Tiruchirappalli Junction railway station
Tiruchirappalli Junction railway station is a major railway hub in Tamil Nadu, India, serving as one of the busiest and most important junctions in the Southern Railway zone.
-
E.
Coimbatore North Junction
Coimbatore North Junction is a railway station in Coimbatore, Tamil Nadu, serving as a secondary rail hub that connects the city to various regional and long-distance routes.
- 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_69f6ead25b7c8190af2ccf26b44c2ea2 |
completed | May 3, 2026, 6:27 a.m. |
Created at: April 9, 2026, 8:55 p.m.