Triple
T14047363
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vandalur |
E337992
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object | Vandalur railway station |
E341195
|
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: Vandalur railway station | Statement: [Vandalur, hasRailwayStation, Vandalur railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Vandalur railway station Context triple: [Vandalur, hasRailwayStation, Vandalur railway station]
-
A.
Vandalur railway station
chosen
Vandalur railway station is a suburban rail stop in Chennai, India, serving as a key access point for visitors to the nearby Arignar Anna Zoological Park.
-
B.
Kodambakkam railway station
Kodambakkam railway station is a suburban rail stop in Chennai, India, serving the Kodambakkam neighborhood on the city’s Mass Rapid Transit and suburban railway network.
-
C.
Avadi railway station
Avadi railway station is a major suburban rail hub serving the Avadi area in the Chennai metropolitan region of Tamil Nadu, India.
-
D.
Tiruvallur railway station
Tiruvallur railway station is a key suburban and regional rail hub serving the town of Tiruvallur in the Chennai metropolitan area of Tamil Nadu, India.
-
E.
Velachery railway station
Velachery railway station is a major terminal on Chennai's Mass Rapid Transit System (MRTS) serving the Velachery neighborhood in south Chennai.
- 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_69de3c88b5e48190b0f0149102c08992 |
completed | April 14, 2026, 1:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd192ee1ac81908663ebd2e06784f1 |
completed | May 7, 2026, 10:58 p.m. |
Created at: April 9, 2026, 10:20 p.m.