Triple

T7481002
Position Surface form Disambiguated ID Type / Status
Subject Red Line (Lisbon Metro) E176756 entity
Predicate operator P179 FINISHED
Object Metropolitano de Lisboa, EPE
Metropolitano de Lisboa, EPE is the public company that owns and operates the Lisbon Metro rapid transit 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: [Red Line (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: [Red Line (Lisbon Metro), operator, Metropolitano de Lisboa, EPE]
  • A. Metropolitan Transport Authority of Lisbon
    The Metropolitan Transport Authority of Lisbon is the regional body responsible for planning, coordinating, and regulating public transportation services across the Lisbon metropolitan area.
  • 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 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.
  • D. Porto Metro
    Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
  • E. 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.
  • 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: [Red Line (Lisbon Metro), operator, Metropolitano de Lisboa, EPE]
Generated description
Metropolitano de Lisboa, EPE is the public company that owns and operates the Lisbon Metro rapid transit 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 that owns and operates the Lisbon Metro rapid transit system in Portugal.
  • A. Metropolitan Transport Authority of Lisbon
    The Metropolitan Transport Authority of Lisbon is the regional body responsible for planning, coordinating, and regulating public transportation services across the Lisbon metropolitan area.
  • 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. 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.
  • D. Porto Metro
    Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
  • E. 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.
  • 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_69c69f236ce08190a04d7679f03b29b2 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f534aa388190b3bb3e16be3a54c8 completed March 27, 2026, 9:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69c83493f0988190b8c569d34bbe2817 completed March 28, 2026, 8:05 p.m.
NEDg Description generation batch_69c835cf7a58819095ed79b84f935a84 completed March 28, 2026, 8:10 p.m.
NED2 Entity disambiguation (via description) batch_69c8366b2fcc8190bd8b07a54a848721 completed March 28, 2026, 8:13 p.m.
Created at: March 27, 2026, 3:42 p.m.