Triple
T13036602
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Railway zone |
E326576
|
entity |
| Predicate | majorHub |
P2958
|
FINISHED |
| Object | Thiruvananthapuram Central |
E632220
|
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: Thiruvananthapuram Central | Statement: [Southern Railway zone, majorHub, Thiruvananthapuram Central]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thiruvananthapuram Central Context triple: [Southern Railway zone, majorHub, Thiruvananthapuram Central]
-
A.
Thiruvananthapuram Central railway station
chosen
Thiruvananthapuram Central railway station is the main and busiest railway hub of Kerala’s capital city, serving as a key terminus for long-distance and regional trains in southern India.
-
B.
Thiruvananthapuram
Thiruvananthapuram is the capital city of the Indian state of Kerala, known for its political importance, educational institutions, and rich cultural heritage.
-
C.
Thrissur
Thrissur is a major city in the south Indian state of Kerala, renowned for its cultural heritage, temples, and the famous Thrissur Pooram festival.
-
D.
Thrissur railway station
Thrissur railway station is a major rail hub in Kerala, India, serving the city of Thrissur with extensive regional and long-distance train connections.
-
E.
Mangaluru Junction
Mangaluru Junction is a major railway junction in the coastal city of Mangalore, Karnataka, serving as an important hub for regional and long-distance train services in southwestern India.
- 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_69f6cbd12eec81908ad5dae638c2210e |
completed | May 3, 2026, 4:15 a.m. |
Created at: April 9, 2026, 8:55 p.m.