Triple

T17312649
Position Surface form Disambiguated ID Type / Status
Subject MAX Light Rail E420336 entity
Predicate hasColorDesignation P60 FINISHED
Object Blue Line
The Blue Line is a primary route of Portland's MAX Light Rail system, running between Hillsboro, downtown Portland, and Gresham.
E1262933 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 | Statement: [MAX Light Rail, hasColorDesignation, Blue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Blue Line
Context triple: [MAX Light Rail, hasColorDesignation, Blue Line]
  • A. Blue Line
    The Blue Line is one of the color-coded rapid transit routes in the Washington Metro system, running through key parts of Washington, D.C. and its Virginia suburbs.
  • B. Blue Line
    The Blue Line is one of the main lines of the Lisbon Metro system, serving key central and northern areas of Portugal’s capital city.
  • C. Blue Line
    The Blue Line is a primary light rail route of the San Diego Trolley system, running through key corridors of the San Diego metropolitan area.
  • D. Blue Line
    The Blue Line is one of the aerial cable car routes in La Paz–El Alto’s Mi Teleférico urban transit system, providing high-altitude public transportation across the Bolivian cities.
  • E. Blue Line
    The Blue Line is a light rail service in Pittsburgh's public transit system that connects downtown with several southern suburbs.
  • 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
Triple: [MAX Light Rail, hasColorDesignation, Blue Line]
Generated description
The Blue Line is a primary route of Portland's MAX Light Rail system, running between Hillsboro, downtown Portland, and Gresham.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Blue Line
Target entity description: The Blue Line is a primary route of Portland's MAX Light Rail system, running between Hillsboro, downtown Portland, and Gresham.
  • A. Blue Line
    The Blue Line is a primary light rail route of the San Diego Trolley system, running through key corridors of the San Diego metropolitan area.
  • B. Blue Line
    The Blue Line is a light rail route in the Minneapolis–Saint Paul metro area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
  • C. Blue Line
    Blue Line is a light rail service route within Salt Lake City’s TRAX public transit system, connecting key areas of the metropolitan region.
  • D. Blue Line
    The Blue Line is a primary route of the Baltimore Light Rail system that provides north–south rail transit service through the Baltimore metropolitan area.
  • E. Blue Line
    The Blue Line is a light rail transit route in Minneapolis–Saint Paul that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
  • 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_69d889d22b848190a4663d0b8f8f76e7 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e4399a4194819091d34cd3fffc8072 completed April 19, 2026, 2:10 a.m.
NED1 Entity disambiguation (via context triple) batch_6a018c3ca3f08190b7da411a5638214e completed May 11, 2026, 7:58 a.m.
NEDg Description generation batch_6a018d9651a48190b8a465741bb5b549 completed May 11, 2026, 8:04 a.m.
NED2 Entity disambiguation (via description) batch_6a018eb4aed881908bf0f6837f373d04 completed May 11, 2026, 8:09 a.m.
Created at: April 10, 2026, 5:43 a.m.