Triple
T876757
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lisbon Metro |
E18934
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Metropolitano de Lisboa, EPE
Metropolitano de Lisboa, EPE is the public company responsible for managing and operating the Lisbon Metro system in Portugal.
|
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: Metropolitano de Lisboa, EPE | Statement: [Lisbon Metro, operator, Metropolitano de Lisboa, EPE]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitano de Lisboa, EPE Context triple: [Lisbon Metro, operator, Metropolitano de Lisboa, EPE]
-
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.
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.
-
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 Oriente railway station
Lisbon Oriente railway station is a major modern transport hub in Lisbon, Portugal, known for its striking contemporary architecture and role as a key national and international rail interchange.
-
E.
Urbanos de Lisboa
Urbanos de Lisboa is the suburban rail service network operated in the Lisbon metropolitan area, providing frequent commuter train connections for the Portuguese railway company Comboios de Portugal.
- 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: Metropolitano de Lisboa, EPE Triple: [Lisbon Metro, operator, Metropolitano de Lisboa, EPE]
Generated description
Metropolitano de Lisboa, EPE is the public company responsible for managing and operating the Lisbon Metro system in Portugal.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metropolitano de Lisboa, EPE Target entity description: Metropolitano de Lisboa, EPE is the public company responsible for managing and operating the Lisbon Metro system in Portugal.
-
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.
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.
-
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 Oriente railway station
Lisbon Oriente railway station is a major modern transport hub in Lisbon, Portugal, known for its striking contemporary architecture and role as a key national and international rail interchange.
-
E.
Urbanos de Lisboa
Urbanos de Lisboa is the suburban rail service network operated in the Lisbon metropolitan area, providing frequent commuter train connections for the Portuguese railway company Comboios de Portugal.
- 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_69a4938db1f081909bcd1ad2713b6096 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4acaf30a48190a10ed7fee464c444 |
completed | March 1, 2026, 9:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7c01d1a7081909da3d8b2aadaed6f |
completed | March 4, 2026, 5:16 a.m. |
| NEDg | Description generation | batch_69a7c09d63a08190b30d77db969ad5f0 |
completed | March 4, 2026, 5:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a7c0fef22c8190b49fbaef969ba098 |
completed | March 4, 2026, 5:19 a.m. |
Created at: March 1, 2026, 7:39 p.m.