Triple

T4380
Position Surface form Disambiguated ID Type / Status
Subject Portland, Oregon, United States E84 entity
Predicate hasStreetcarSystem P474 FINISHED
Object Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
E1081 NE FINISHED

How this triple was built (5 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: Portland Streetcar | Statement: [Portland, Oregon, United States, hasStreetcarSystem, Portland Streetcar]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Portland Streetcar
Context triple: [Portland, Oregon, United States, hasStreetcarSystem, Portland Streetcar]
  • A. MBTA Fitchburg Line
    The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
  • B. Washington Metro
    Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
  • C. Union Station
    Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
  • D. New York City Subway
    The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
  • E. Chicago Transit Authority
    The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit 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: Portland Streetcar
Triple: [Portland, Oregon, United States, hasStreetcarSystem, Portland Streetcar]
Generated description
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Portland Streetcar
Target entity description: Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
  • A. MBTA Fitchburg Line
    The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
  • B. Washington Metro
    Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
  • C. Union Station
    Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
  • D. New York City Subway
    The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
  • E. Chicago Transit Authority
    The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasStreetcarSystem
Context triple: [Portland, Oregon, United States, hasStreetcarSystem, Portland Streetcar]
  • A. transportation
    Indicates the movement of someone or something from one place to another, typically using a vehicle or transit system.
  • B. drivesOn
    Indicates that an entity uses or travels along a particular route, surface, or roadway as its path of movement.
  • C. hasMajorCity
    Indicates that a location possesses at least one city of significant size, importance, or influence within its region or country.
  • D. hasHistoricDistrict
    Indicates that an entity possesses or contains a designated historic district within its boundaries or domain.
  • E. partOfMetropolitanArea
    Indicates that one place is included within and belongs to the larger metropolitan area of another place.
  • F. None of above. chosen

Provenance (7 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_69a238d6b47881909e68288aed2fd858 completed Feb. 28, 2026, 12:37 a.m.
NER Named-entity recognition batch_69a23c24b3d08190a714126292fd5479 completed Feb. 28, 2026, 12:51 a.m.
NED1 Entity disambiguation (via context triple) batch_69a243c6f10c81908305b9e03c79a6ae completed Feb. 28, 2026, 1:24 a.m.
NEDg Description generation batch_69a2463b1a8881908e900ed76ae81a4d completed Feb. 28, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69a246aa8d6481908a9cc6d66a0c0296 completed Feb. 28, 2026, 1:36 a.m.
PD Predicate disambiguation batch_69a23998af288190855f0456740cbd51 completed Feb. 28, 2026, 12:40 a.m.
PDg Predicate description generation batch_69a23c23fef88190ba5d6d86acd4a66f completed Feb. 28, 2026, 12:51 a.m.
Created at: Feb. 28, 2026, 12:40 a.m.