Triple
T13669180
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maradana railway station |
E327703
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object |
Trincomalee Line
The Trincomalee Line is a Sri Lankan railway route that connects the eastern coastal city of Trincomalee with the country’s main rail network.
|
E1053184
|
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: Trincomalee Line | Statement: [Maradana railway station, railwayLine, Trincomalee Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Trincomalee Line Context triple: [Maradana railway station, railwayLine, Trincomalee Line]
-
A.
Sri Lankan coast
The Sri Lankan coast is the tropical shoreline encircling the island nation of Sri Lanka, known for its sandy beaches, rich marine biodiversity, and strategic location along major Indian Ocean shipping routes.
-
B.
Battle of Trincomalee
The Battle of Trincomalee was a 1782 naval engagement off the coast of Sri Lanka during the American Revolutionary War, in which a French fleet under Admiral Suffren clashed with the British Royal Navy for control of a key Indian Ocean port.
-
C.
Batticaloa
Batticaloa is a coastal city in eastern Sri Lanka known historically as an important regional port and trading center.
-
D.
British control of the Straits Zone
British control of the Straits Zone was the post-World War I British military and administrative occupation of the strategic Turkish Straits area, aimed at securing naval access between the Mediterranean and the Black Sea and enforcing Allied terms on the defeated Ottoman Empire.
-
E.
Batticaloa Fort
Batticaloa Fort is a historic coastal fortress in eastern Sri Lanka, built during the colonial era and known for its strategic location and well-preserved ramparts.
- 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: Trincomalee Line Triple: [Maradana railway station, railwayLine, Trincomalee Line]
Generated description
The Trincomalee Line is a Sri Lankan railway route that connects the eastern coastal city of Trincomalee with the country’s main rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Trincomalee Line Target entity description: The Trincomalee Line is a Sri Lankan railway route that connects the eastern coastal city of Trincomalee with the country’s main rail network.
-
A.
Sri Lankan coast
The Sri Lankan coast is the tropical shoreline encircling the island nation of Sri Lanka, known for its sandy beaches, rich marine biodiversity, and strategic location along major Indian Ocean shipping routes.
-
B.
Battle of Trincomalee
The Battle of Trincomalee was a 1782 naval engagement off the coast of Sri Lanka during the American Revolutionary War, in which a French fleet under Admiral Suffren clashed with the British Royal Navy for control of a key Indian Ocean port.
-
C.
Batticaloa
Batticaloa is a coastal city in eastern Sri Lanka known historically as an important regional port and trading center.
-
D.
British control of the Straits Zone
British control of the Straits Zone was the post-World War I British military and administrative occupation of the strategic Turkish Straits area, aimed at securing naval access between the Mediterranean and the Black Sea and enforcing Allied terms on the defeated Ottoman Empire.
-
E.
Batticaloa Fort
Batticaloa Fort is a historic coastal fortress in eastern Sri Lanka, built during the colonial era and known for its strategic location and well-preserved ramparts.
- 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_69d8076f1fa8819094664a59b55010df |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbc65832688190aea688fee0a7cbdb |
completed | April 12, 2026, 4:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f78b0f56048190bcbc6581a8cdc0f5 |
completed | May 3, 2026, 5:51 p.m. |
| NEDg | Description generation | batch_69f78c0030e481909c20f21ddaa480dc |
completed | May 3, 2026, 5:55 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f78d6f02c48190a8f3bc4cb71910a0 |
completed | May 3, 2026, 6:01 p.m. |
Created at: April 9, 2026, 9:53 p.m.