Triple
T4883348
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Baixa-Chiado metro station |
E109381
|
entity |
| Predicate | servesLine |
P839
|
FINISHED |
| Object |
Blue Line (Lisbon Metro)
The Blue Line of the Lisbon Metro is one of the city’s main rapid transit lines, running across central and northern Lisbon and connecting key residential and commercial areas.
|
E18934
|
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: Blue Line (Lisbon Metro) | Statement: [Baixa-Chiado metro station, servesLine, Blue Line (Lisbon Metro)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blue Line (Lisbon Metro) Context triple: [Baixa-Chiado metro station, servesLine, Blue Line (Lisbon Metro)]
-
A.
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.
-
B.
Porto Metro
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
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.
Linha de Sintra
Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
-
E.
Linha de Cascais
Linha de Cascais is a coastal suburban railway line in the Lisbon metropolitan area of Portugal, connecting central Lisbon to the seaside town of Cascais.
- 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: Blue Line (Lisbon Metro) Triple: [Baixa-Chiado metro station, servesLine, Blue Line (Lisbon Metro)]
Generated description
The Blue Line of the Lisbon Metro is one of the city’s main rapid transit lines, running across central and northern Lisbon and connecting key residential and commercial areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Blue Line (Lisbon Metro) Target entity description: The Blue Line of the Lisbon Metro is one of the city’s main rapid transit lines, running across central and northern Lisbon and connecting key residential and commercial areas.
-
A.
Lisbon Metro
chosen
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.
-
B.
Porto Metro
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
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.
Linha de Sintra
Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
-
E.
Linha de Cascais
Linha de Cascais is a coastal suburban railway line in the Lisbon metropolitan area of Portugal, connecting central Lisbon to the seaside town of Cascais.
- 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_69bd440f71348190b99938e59fb7f9a1 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6ddfff0c81908fb148a6f6508334 |
completed | March 20, 2026, 3:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf10b0ec0c8190bcd4503dd09667c7 |
completed | March 21, 2026, 9:42 p.m. |
| NEDg | Description generation | batch_69bf117894d481909817346060a28d07 |
completed | March 21, 2026, 9:45 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf1267a0a88190a558937fa7776ed7 |
completed | March 21, 2026, 9:49 p.m. |
Created at: March 20, 2026, 1:27 p.m.