Triple
T22231132
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Puttalam Line |
E549467
|
entity |
| Predicate | hasIntermediateStation |
P24280
|
FINISHED |
| Object | Chilaw railway station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Chilaw railway station | Statement: [Puttalam Line, hasIntermediateStation, Chilaw railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chilaw railway station Context triple: [Puttalam Line, hasIntermediateStation, Chilaw railway station]
-
A.
Larkana Railway Station
Larkana Railway Station is a key rail transport hub serving the city of Larkana in Sindh, Pakistan.
-
B.
Nawabshah Railway Station
Nawabshah Railway Station is a key rail transport hub serving the city of Nawabshah in the Sindh province of Pakistan.
-
C.
Jhelum Railway Station
Jhelum Railway Station is a key rail transport hub serving the city of Jhelum in Punjab, Pakistan, connecting it to major cities across the country.
-
D.
Sikandarpur station
Sikandarpur station is a key elevated metro interchange in Gurugram, India, linking the Rapid Metro Gurgaon network with the Delhi Metro.
-
E.
Panchkula railway station
Panchkula railway station is a key rail transit hub serving the Panchkula area within the Chandigarh–Mohali–Panchkula Tricity region in northern India.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chilaw railway station Target entity description: Chilaw railway station is a regional rail stop in Sri Lanka serving the town of Chilaw along the coastal Puttalam railway line.
-
A.
Larkana Railway Station
Larkana Railway Station is a key rail transport hub serving the city of Larkana in Sindh, Pakistan.
-
B.
Nawabshah Railway Station
Nawabshah Railway Station is a key rail transport hub serving the city of Nawabshah in the Sindh province of Pakistan.
-
C.
Jhelum Railway Station
Jhelum Railway Station is a key rail transport hub serving the city of Jhelum in Punjab, Pakistan, connecting it to major cities across the country.
-
D.
Sikandarpur station
Sikandarpur station is a key elevated metro interchange in Gurugram, India, linking the Rapid Metro Gurgaon network with the Delhi Metro.
-
E.
Panchkula railway station
Panchkula railway station is a key rail transit hub serving the Panchkula area within the Chandigarh–Mohali–Panchkula Tricity region in northern India.
- F. None of above. chosen
Provenance (2 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_69e11e4102b881909cf47d3768e25c19 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f12bf2a26c81908aaf614d7c75e219 |
completed | April 28, 2026, 9:51 p.m. |
Created at: April 16, 2026, 8:38 p.m.