Triple
T4691297
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Terreiro do Paço metro station |
E104038
|
entity |
| Predicate | servedByRollingStock |
P5426
|
FINISHED |
| Object |
Lisbon Metro ML95 trains
Lisbon Metro ML95 trains are a series of electric multiple units introduced in the mid-1990s to modernize and expand passenger service on the Lisbon Metro network.
|
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: Lisbon Metro ML95 trains | Statement: [Terreiro do Paço metro station, servedByRollingStock, Lisbon Metro ML95 trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lisbon Metro ML95 trains Context triple: [Terreiro do Paço metro station, servedByRollingStock, Lisbon Metro ML95 trains]
-
A.
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.
-
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.
Porto Metro
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
D.
M5 metro trains
M5 metro trains are a modern fleet of high-capacity, low-floor metro vehicles used on the Amsterdam Metro system, designed to improve comfort, accessibility, and efficiency.
-
E.
CAF Urbos 3 trams
CAF Urbos 3 trams are modern low-floor light rail vehicles manufactured by CAF and used in urban tram and light rail systems worldwide.
- 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: Lisbon Metro ML95 trains Triple: [Terreiro do Paço metro station, servedByRollingStock, Lisbon Metro ML95 trains]
Generated description
Lisbon Metro ML95 trains are a series of electric multiple units introduced in the mid-1990s to modernize and expand passenger service on the Lisbon Metro network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lisbon Metro ML95 trains Target entity description: Lisbon Metro ML95 trains are a series of electric multiple units introduced in the mid-1990s to modernize and expand passenger service on the Lisbon Metro network.
-
A.
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.
-
B.
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.
-
C.
Porto Metro
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
D.
M5 metro trains
M5 metro trains are a modern fleet of high-capacity, low-floor metro vehicles used on the Amsterdam Metro system, designed to improve comfort, accessibility, and efficiency.
-
E.
CAF Urbos 3 trams
CAF Urbos 3 trams are modern low-floor light rail vehicles manufactured by CAF and used in urban tram and light rail systems worldwide.
- 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_69bd43df91f481908e9add1b617b60ef |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd639c94608190808e535d0abd08a0 |
completed | March 20, 2026, 3:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be105a709c819083504fe1dc1612d8 |
completed | March 21, 2026, 3:28 a.m. |
| NEDg | Description generation | batch_69be1278af588190832bcb037d18aa8f |
completed | March 21, 2026, 3:37 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be12d51db08190aca8c36972ea6e4e |
completed | March 21, 2026, 3:39 a.m. |
Created at: March 20, 2026, 1:16 p.m.