Triple
T17362549
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kandy railway station |
E422103
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
Polgahawela Junction railway station
Polgahawela Junction railway station is a major railway junction in Sri Lanka where key lines, including the Main Line and Northern Line, diverge, making it an important hub in the country’s rail network.
|
E1272861
|
NE FINISHED |
How this triple was built (4 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: Polgahawela Junction railway station | Statement: [Kandy railway station, connectsTo, Polgahawela Junction railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Polgahawela Junction railway station Context triple: [Kandy railway station, connectsTo, Polgahawela Junction railway station]
-
A.
Gampola railway station
Gampola railway station is a train station in Sri Lanka’s Central Province that serves the town of Gampola on the country’s Main Line.
-
B.
Peradeniya Junction railway station
Peradeniya Junction railway station is a major railway junction in Sri Lanka that serves as a key interchange point near Kandy, linking multiple main lines in the country’s rail network.
-
C.
Badulla railway station
Badulla railway station is the scenic terminus of Sri Lanka’s Main Line, serving the hill-country town of Badulla and known for its historic charm and surrounding tea-country landscapes.
-
D.
Maradana railway station
Maradana railway station is a major railway hub in Colombo, Sri Lanka, serving as one of the city’s primary junctions connecting multiple key lines across the country.
-
E.
Hikkaduwa railway station
Hikkaduwa railway station is a coastal train station in Sri Lanka serving the popular beach town of Hikkaduwa on the country’s southern railway corridor.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Polgahawela Junction railway station Triple: [Kandy railway station, connectsTo, Polgahawela Junction railway station]
Generated description
Polgahawela Junction railway station is a major railway junction in Sri Lanka where key lines, including the Main Line and Northern Line, diverge, making it an important hub in the country’s rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Polgahawela Junction railway station Target entity description: Polgahawela Junction railway station is a major railway junction in Sri Lanka where key lines, including the Main Line and Northern Line, diverge, making it an important hub in the country’s rail network.
-
A.
Gampola railway station
Gampola railway station is a train station in Sri Lanka’s Central Province that serves the town of Gampola on the country’s Main Line.
-
B.
Peradeniya Junction railway station
Peradeniya Junction railway station is a major railway junction in Sri Lanka that serves as a key interchange point near Kandy, linking multiple main lines in the country’s rail network.
-
C.
Badulla railway station
Badulla railway station is the scenic terminus of Sri Lanka’s Main Line, serving the hill-country town of Badulla and known for its historic charm and surrounding tea-country landscapes.
-
D.
Maradana railway station
Maradana railway station is a major railway hub in Colombo, Sri Lanka, serving as one of the city’s primary junctions connecting multiple key lines across the country.
-
E.
Hikkaduwa railway station
Hikkaduwa railway station is a coastal train station in Sri Lanka serving the popular beach town of Hikkaduwa on the country’s southern railway corridor.
- F. None of above. chosen
Provenance (5 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_69d889d520008190a26917a95bf1c2ea |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43a4e3c3481909dfaa00334c5010e |
completed | April 19, 2026, 2:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01c92d240c8190a8cefa238e8c3fb9 |
completed | May 11, 2026, 12:18 p.m. |
| NEDg | Description generation | batch_6a01ca1968ec819080b6f9b8722b0fb2 |
completed | May 11, 2026, 12:22 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01ca70502c8190bfa2dfd44c30a6f2 |
completed | May 11, 2026, 12:24 p.m. |
Created at: April 10, 2026, 5:44 a.m.