Triple

T54791
Position Surface form Disambiguated ID Type / Status
Subject TriMet E1080 entity
Predicate operates P24 FINISHED
Object MAX Red Line
MAX Red Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Portland International Airport and the city’s western suburbs.
E2466 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: MAX Red Line | Statement: [TriMet, operates, MAX Red Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MAX Red Line
Context triple: [TriMet, operates, MAX Red Line]
  • A. Portland Streetcar
    Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
  • B. MBTA Red Line
    The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
  • C. Chocolate City
    Chocolate City is a popular nickname for Washington, D.C., highlighting its historically large and influential African American population and culture.
  • D. Chicago Surface Lines
    Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
  • E. Ventra
    Ventra is the contactless fare payment system used across Chicago’s public transit network, including buses and trains.
  • 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: MAX Red Line
Triple: [TriMet, operates, MAX Red Line]
Generated description
MAX Red Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Portland International Airport and the city’s western suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MAX Red Line
Target entity description: MAX Red Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Portland International Airport and the city’s western suburbs.
  • A. Portland Streetcar
    Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
  • B. MBTA Red Line
    The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
  • C. Chocolate City
    Chocolate City is a popular nickname for Washington, D.C., highlighting its historically large and influential African American population and culture.
  • D. Chicago Surface Lines
    Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
  • E. Ventra
    Ventra is the contactless fare payment system used across Chicago’s public transit network, including buses and trains.
  • 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_69a248adc5b48190aa8db9fb092fb28a completed Feb. 28, 2026, 1:45 a.m.
NER Named-entity recognition batch_69a24b06c5488190afb5429a7999e3f3 completed Feb. 28, 2026, 1:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69a24e67187c8190950aec5d9f8ecc60 completed Feb. 28, 2026, 2:09 a.m.
NEDg Description generation batch_69a24f001c588190b7eec6eec4fb5fd9 completed Feb. 28, 2026, 2:12 a.m.
NED2 Entity disambiguation (via description) batch_69a24fcbeee4819087186dada7466dfe completed Feb. 28, 2026, 2:15 a.m.
Created at: Feb. 28, 2026, 1:50 a.m.