Triple
T12982884
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sri Lanka Railways |
E321694
|
entity |
| Predicate | operatesLine |
P15252
|
FINISHED |
| Object |
Batticaloa Line
The Batticaloa Line is a major railway line in eastern Sri Lanka that connects the capital region with the city of Batticaloa, serving as an important route for passenger and freight transport.
|
E562404
|
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: Batticaloa Line | Statement: [Sri Lanka Railways, operatesLine, Batticaloa Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Batticaloa Line Context triple: [Sri Lanka Railways, operatesLine, Batticaloa Line]
-
A.
Puttalam Line
The Puttalam Line is a major railway line in Sri Lanka that runs along the island’s western coast, serving towns and industrial areas between Colombo and Puttalam.
-
B.
Batticaloa
Batticaloa is a coastal city in eastern Sri Lanka known historically as an important regional port and trading center.
-
C.
Porbandar–Wansjaliya line
The Porbandar–Wansjaliya line is a railway route in Gujarat, India, connecting the coastal city of Porbandar with inland regions via Wansjaliya Junction.
-
D.
Colombo–Batticaloa route
The Colombo–Batticaloa route is a major intercity railway line in Sri Lanka that connects the capital Colombo with the eastern city of Batticaloa, traversing diverse regions across the island.
-
E.
Taita Line
The Taita Line is a regional railway line in Japan connecting Gifu and Tajimi, serving as a local commuter and intercity link in central Honshu.
- 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: Batticaloa Line Triple: [Sri Lanka Railways, operatesLine, Batticaloa Line]
Generated description
The Batticaloa Line is a major railway line in eastern Sri Lanka that connects the capital region with the city of Batticaloa, serving as an important route for passenger and freight transport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Batticaloa Line Target entity description: The Batticaloa Line is a major railway line in eastern Sri Lanka that connects the capital region with the city of Batticaloa, serving as an important route for passenger and freight transport.
-
A.
Puttalam Line
The Puttalam Line is a major railway line in Sri Lanka that runs along the island’s western coast, serving towns and industrial areas between Colombo and Puttalam.
-
B.
Batticaloa
Batticaloa is a coastal city in eastern Sri Lanka known historically as an important regional port and trading center.
-
C.
Porbandar–Wansjaliya line
The Porbandar–Wansjaliya line is a railway route in Gujarat, India, connecting the coastal city of Porbandar with inland regions via Wansjaliya Junction.
-
D.
Colombo–Batticaloa route
chosen
The Colombo–Batticaloa route is a major intercity railway line in Sri Lanka that connects the capital Colombo with the eastern city of Batticaloa, traversing diverse regions across the island.
-
E.
Taita Line
The Taita Line is a regional railway line in Japan connecting Gifu and Tajimi, serving as a local commuter and intercity link in central Honshu.
- F. None of above.
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_69d8076479b8819090afce3591939cdf |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d97e5ca33481909a6cb06c636889f9 |
completed | April 10, 2026, 10:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6b8f4320881909d66eaa48f888fab |
completed | May 3, 2026, 2:54 a.m. |
| NEDg | Description generation | batch_69f6b9dc31ec819093c89ff0a1ccbfa1 |
completed | May 3, 2026, 2:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6baacd7548190af5514923a0dee26 |
completed | May 3, 2026, 3:02 a.m. |
Created at: April 9, 2026, 8:39 p.m.