Triple
T9743730
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chepauk campus |
E236253
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object | Chepauk railway station |
E817779
|
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: Chepauk railway station | Statement: [Chepauk campus, near, Chepauk railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chepauk railway station Context triple: [Chepauk campus, near, Chepauk railway station]
-
A.
Chennai Egmore railway station
Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
-
B.
Chennai Central railway station
Chennai Central railway station is a major historic railway terminus and one of the busiest transport hubs in South India, serving as a key gateway to the city of Chennai and beyond.
-
C.
Chepauk MRTS station
chosen
Chepauk MRTS station is an elevated suburban railway station in Chennai, India, serving the Mass Rapid Transit System near the Chepauk area and its prominent institutions.
-
D.
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.
-
E.
Chidambaram railway station
Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
- 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_69ca84d3e24481908a476e2231123cf9 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9f2e5bb081908047e3bf5fe3991c |
completed | April 1, 2026, 10:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1bccf62e08190ae799ee557ad1f1b |
completed | April 5, 2026, 1:37 a.m. |
Created at: March 30, 2026, 8:23 p.m.