Triple
T4255986
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Porto |
E95974
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Campanhã railway station
Campanhã railway station is Porto’s main intercity and regional rail hub, serving as a key gateway connecting the city to the rest of Portugal and beyond.
|
E424713
|
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: Campanhã railway station | Statement: [Porto, hasRailwayStation, Campanhã railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Campanhã railway station Context triple: [Porto, hasRailwayStation, Campanhã railway station]
-
A.
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.
-
B.
Basmane railway station
Basmane railway station is a historic central train terminal in İzmir, Turkey, serving as a major hub for regional and intercity rail services.
-
C.
High Brooms railway station
High Brooms railway station is a suburban rail stop serving the High Brooms area of Royal Tunbridge Wells in Kent, England, on the Hastings line.
-
D.
St. Martins station
St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
-
E.
Campbell Hall station
Campbell Hall station is a commuter rail stop in Orange County, New York, served by Metro-North Railroad’s Port Jervis Line.
- 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: Campanhã railway station Triple: [Porto, hasRailwayStation, Campanhã railway station]
Generated description
Campanhã railway station is Porto’s main intercity and regional rail hub, serving as a key gateway connecting the city to the rest of Portugal and beyond.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Campanhã railway station Target entity description: Campanhã railway station is Porto’s main intercity and regional rail hub, serving as a key gateway connecting the city to the rest of Portugal and beyond.
-
A.
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.
-
B.
Basmane railway station
Basmane railway station is a historic central train terminal in İzmir, Turkey, serving as a major hub for regional and intercity rail services.
-
C.
High Brooms railway station
High Brooms railway station is a suburban rail stop serving the High Brooms area of Royal Tunbridge Wells in Kent, England, on the Hastings line.
-
D.
St. Martins station
St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
-
E.
Campbell Hall station
Campbell Hall station is a commuter rail stop in Orange County, New York, served by Metro-North Railroad’s Port Jervis Line.
- 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_69b3453f759881909b91f01a1e82c036 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b34ec1971c81908f7a72418efa8bcc |
completed | March 12, 2026, 11:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5a88a68f081909e5bae5b0414f534 |
completed | March 14, 2026, 6:27 p.m. |
| NEDg | Description generation | batch_69b5a94e637881909a20bb1df0cd5768 |
completed | March 14, 2026, 6:30 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5a9d9b28081909d7dc97b02209318 |
completed | March 14, 2026, 6:32 p.m. |
Created at: March 12, 2026, 11:06 p.m.