Triple

T271480
Position Surface form Disambiguated ID Type / Status
Subject MAX Yellow Line E5642 entity
Predicate terminus P388 FINISHED
Object City Center / Downtown Portland
City Center / Downtown Portland is the primary commercial and cultural core of Portland, Oregon, known for its dense urban environment, businesses, entertainment venues, and public transit connections.
 E37190 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: City Center / Downtown Portland | Statement: [MAX Yellow Line, terminus, City Center / Downtown Portland]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: City Center / Downtown Portland
Context triple: [MAX Yellow Line, terminus, City Center / Downtown Portland]
  • A. Northeast Portland
    Northeast Portland is a large, diverse district of Portland, Oregon, known for its residential neighborhoods, vibrant commercial corridors, and mix of historic and modern urban development.
  • B. North Portland
    North Portland is a largely residential and industrial district in Portland, Oregon, known for its diverse neighborhoods, riverfront areas, and access to downtown via the MAX Yellow Line light rail.
  • C. Pearl District
    The Pearl District is a trendy, revitalized neighborhood in Portland, Oregon, known for its art galleries, upscale restaurants, boutiques, and converted warehouse lofts.
  • D. South Waterfront
    South Waterfront is a redeveloped riverfront neighborhood in Portland, Oregon, known for its high-rise residential towers, medical and research facilities, and transit connections along the Willamette River.
  • E. Portland, Oregon, United States
    Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
  • 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: City Center / Downtown Portland
Triple: [MAX Yellow Line, terminus, City Center / Downtown Portland]
Generated description
City Center / Downtown Portland is the primary commercial and cultural core of Portland, Oregon, known for its dense urban environment, businesses, entertainment venues, and public transit connections.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: City Center / Downtown Portland
Target entity description: City Center / Downtown Portland is the primary commercial and cultural core of Portland, Oregon, known for its dense urban environment, businesses, entertainment venues, and public transit connections.
  • A. Northeast Portland
    Northeast Portland is a large, diverse district of Portland, Oregon, known for its residential neighborhoods, vibrant commercial corridors, and mix of historic and modern urban development.
  • B. North Portland
    North Portland is a largely residential and industrial district in Portland, Oregon, known for its diverse neighborhoods, riverfront areas, and access to downtown via the MAX Yellow Line light rail.
  • C. Pearl District
    The Pearl District is a trendy, revitalized neighborhood in Portland, Oregon, known for its art galleries, upscale restaurants, boutiques, and converted warehouse lofts.
  • D. South Waterfront
    South Waterfront is a redeveloped riverfront neighborhood in Portland, Oregon, known for its high-rise residential towers, medical and research facilities, and transit connections along the Willamette River.
  • E. Portland, Oregon, United States
    Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
  • 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_69a25853594c8190b05ec3a586ec88bf completed Feb. 28, 2026, 2:52 a.m.
NER Named-entity recognition batch_69a25dcd2b208190855d5d8d70a3acfc completed Feb. 28, 2026, 3:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69a39d0313b48190a3e8e1667a051610 completed March 1, 2026, 1:57 a.m.
NEDg Description generation batch_69a39d732c64819086a6e11df23e60ce completed March 1, 2026, 1:59 a.m.
NED2 Entity disambiguation (via description) batch_69a39de4511c8190bf668bc74ba57231 completed March 1, 2026, 2:01 a.m.
Created at: Feb. 28, 2026, 2:57 a.m.