Triple
T21566901
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pengam |
E532183
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Pengam railway station
Pengam railway station is a commuter rail stop in Pengam, Caerphilly, Wales, serving local and regional services on the Rhymney Line.
|
E1489975
|
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: Pengam railway station | Statement: [Pengam, hasRailwayStation, Pengam railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pengam railway station Context triple: [Pengam, hasRailwayStation, Pengam railway station]
-
A.
Trang railway station
Trang railway station is the main railway hub serving the town and province of Trang in southern Thailand, connecting the region to the national rail network.
-
B.
Hay Railway Station
Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
-
C.
Hledan Railway Station
Hledan Railway Station is a local commuter train station in Yangon, Myanmar, serving the Hledan area of Kamayut Township on the Yangon Circular Railway network.
-
D.
Ban Pong railway station
Ban Pong railway station is a key railway junction in Ratchaburi Province, Thailand, serving as an important stop on the Southern Line of the State Railway of Thailand.
-
E.
Bro railway station
Bro railway station is a local commuter rail stop in Bro, Sweden, serving as part of the Stockholm commuter rail network.
- 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: Pengam railway station Triple: [Pengam, hasRailwayStation, Pengam railway station]
Generated description
Pengam railway station is a commuter rail stop in Pengam, Caerphilly, Wales, serving local and regional services on the Rhymney Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pengam railway station Target entity description: Pengam railway station is a commuter rail stop in Pengam, Caerphilly, Wales, serving local and regional services on the Rhymney Line.
-
A.
Trang railway station
Trang railway station is the main railway hub serving the town and province of Trang in southern Thailand, connecting the region to the national rail network.
-
B.
Hay Railway Station
Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
-
C.
Hledan Railway Station
Hledan Railway Station is a local commuter train station in Yangon, Myanmar, serving the Hledan area of Kamayut Township on the Yangon Circular Railway network.
-
D.
Ban Pong railway station
Ban Pong railway station is a key railway junction in Ratchaburi Province, Thailand, serving as an important stop on the Southern Line of the State Railway of Thailand.
-
E.
Bro railway station
Bro railway station is a local commuter rail stop in Bro, Sweden, serving as part of the Stockholm commuter rail network.
- 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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9c9f264819085b4807923860793 |
completed | April 27, 2026, 4:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09eeef32cc81908e4d6f4aebd3de1a |
completed | May 17, 2026, 4:38 p.m. |
| NEDg | Description generation | batch_6a09efd967d481909c9e0bc1c3f18f4a |
completed | May 17, 2026, 4:42 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09f06905108190b77d5bd95f261f3b |
completed | May 17, 2026, 4:44 p.m. |
Created at: April 16, 2026, 6:30 p.m.