Triple

T9956505
Position Surface form Disambiguated ID Type / Status
Subject Colosseo metro station E195458 entity
Predicate isPartOfLineSection P57328 FINISHED
Object Rebibbia–Laurentina branch of Line B
The Rebibbia–Laurentina branch of Line B is a main segment of Rome’s Metro Line B that runs across the city between the northeastern Rebibbia area and the southern Laurentina district.
E831889 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: Rebibbia–Laurentina branch of Line B | Statement: [Colosseo metro station, isPartOfLineSection, Rebibbia–Laurentina branch of Line B]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rebibbia–Laurentina branch of Line B
Context triple: [Colosseo metro station, isPartOfLineSection, Rebibbia–Laurentina branch of Line B]
  • A. Savoy-Carignano branch
    The Savoy-Carignano branch was a cadet line of the House of Savoy that produced several notable princes and ultimately the kings who unified Italy in the 19th century.
  • B. Nord-Sud Line B
    Nord-Sud Line B was the original name of what is now Paris Métro Line 13, a major north–south subway line in the French capital.
  • C. Metro Line B
    Metro Line B is a rapid transit line that forms part of the Mexico City Metro network.
  • D. Line B of Buenos Aires Underground
    Line B of the Buenos Aires Underground is a major metro line that runs primarily beneath Avenida Corrientes, connecting the city center with several western neighborhoods and serving key commercial and cultural areas.
  • E. Green Line A branch
    Green Line A branch was a former branch of Boston’s MBTA Green Line light rail system that once ran to Watertown before being discontinued.
  • 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: Rebibbia–Laurentina branch of Line B
Triple: [Colosseo metro station, isPartOfLineSection, Rebibbia–Laurentina branch of Line B]
Generated description
The Rebibbia–Laurentina branch of Line B is a main segment of Rome’s Metro Line B that runs across the city between the northeastern Rebibbia area and the southern Laurentina district.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rebibbia–Laurentina branch of Line B
Target entity description: The Rebibbia–Laurentina branch of Line B is a main segment of Rome’s Metro Line B that runs across the city between the northeastern Rebibbia area and the southern Laurentina district.
  • A. Savoy-Carignano branch
    The Savoy-Carignano branch was a cadet line of the House of Savoy that produced several notable princes and ultimately the kings who unified Italy in the 19th century.
  • B. Nord-Sud Line B
    Nord-Sud Line B was the original name of what is now Paris Métro Line 13, a major north–south subway line in the French capital.
  • C. Metro Line B
    Metro Line B is a rapid transit line that forms part of the Mexico City Metro network.
  • D. Line B of Buenos Aires Underground
    Line B of the Buenos Aires Underground is a major metro line that runs primarily beneath Avenida Corrientes, connecting the city center with several western neighborhoods and serving key commercial and cultural areas.
  • E. Green Line A branch
    Green Line A branch was a former branch of Boston’s MBTA Green Line light rail system that once ran to Watertown before being discontinued.
  • 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_69ca82eaaa008190a54fa1a9f954b9ad completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdb6976b50819097a0ae347354e92c completed April 2, 2026, 12:21 a.m.
NED1 Entity disambiguation (via context triple) batch_69d23d71342081908084c27790ef4fcc completed April 5, 2026, 10:46 a.m.
NEDg Description generation batch_69d23fb02c6081909f2c99ca21c90822 completed April 5, 2026, 10:55 a.m.
NED2 Entity disambiguation (via description) batch_69d24047ae4081909678ca9cf6cfbfff completed April 5, 2026, 10:58 a.m.
Created at: March 30, 2026, 8:46 p.m.