Triple
T12883225
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nine railway station |
E308155
|
entity |
| Predicate | publicTransportSystem |
P1288
|
FINISHED |
| Object |
Porto commuter rail system
The Porto commuter rail system is a suburban railway network serving the Porto metropolitan area in Portugal, connecting the city with surrounding towns and suburbs through frequent regional train services.
|
E1017755
|
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: Porto commuter rail system | Statement: [Nine railway station, publicTransportSystem, Porto commuter rail system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Porto commuter rail system Context triple: [Nine railway station, publicTransportSystem, Porto commuter rail system]
-
A.
Porto Metro
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
B.
Lisbon Metro
Lisbon Metro is the rapid transit system serving Portugal’s capital, providing an extensive network of underground and suburban rail lines across the Lisbon metropolitan area.
-
C.
Lisbon Tramway
The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
-
D.
Lisbon public transport network
The Lisbon public transport network is the integrated system of trams, buses, metro lines, funiculars, lifts, and suburban trains that serves the city of Lisbon and its surrounding areas.
-
E.
Porto metropolitan public transport network
The Porto metropolitan public transport network is the integrated system of buses, metro, and other public transit services that connects the city of Porto with its surrounding metropolitan area.
- 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: Porto commuter rail system Triple: [Nine railway station, publicTransportSystem, Porto commuter rail system]
Generated description
The Porto commuter rail system is a suburban railway network serving the Porto metropolitan area in Portugal, connecting the city with surrounding towns and suburbs through frequent regional train services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Porto commuter rail system Target entity description: The Porto commuter rail system is a suburban railway network serving the Porto metropolitan area in Portugal, connecting the city with surrounding towns and suburbs through frequent regional train services.
-
A.
Porto Metro
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
B.
Lisbon Metro
Lisbon Metro is the rapid transit system serving Portugal’s capital, providing an extensive network of underground and suburban rail lines across the Lisbon metropolitan area.
-
C.
Lisbon Tramway
The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
-
D.
Lisbon public transport network
The Lisbon public transport network is the integrated system of trams, buses, metro lines, funiculars, lifts, and suburban trains that serves the city of Lisbon and its surrounding areas.
-
E.
Porto metropolitan public transport network
The Porto metropolitan public transport network is the integrated system of buses, metro, and other public transit services that connects the city of Porto with its surrounding metropolitan area.
- 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_69d7bdf7c1f0819098102569a8d8cbf5 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d970fd15888190baf90fc30f2a3e25 |
completed | April 10, 2026, 9:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6cbbb199081909c32575097fbc2bf |
completed | May 3, 2026, 4:14 a.m. |
| NEDg | Description generation | batch_69f6cea882d48190add88a8463f7d544 |
completed | May 3, 2026, 4:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6cf72a0cc8190bf8b6d606b8d0987 |
completed | May 3, 2026, 4:30 a.m. |
Created at: April 9, 2026, 5:39 p.m.