Triple

T751529
Position Surface form Disambiguated ID Type / Status
Subject Portland International Airport station E15458 entity
Predicate servedByLine P1293 FINISHED
Object MAX Red Line toward Beaverton Transit Center
MAX Red Line toward Beaverton Transit Center is a westbound light rail service in Portland, Oregon, connecting Portland International Airport and downtown Portland with the Beaverton Transit Center.
E89073 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 toward Beaverton Transit Center | Statement: [Portland International Airport station, servedByLine, MAX Red Line toward Beaverton Transit Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MAX Red Line toward Beaverton Transit Center
Context triple: [Portland International Airport station, servedByLine, MAX Red Line toward Beaverton Transit Center]
  • A. MAX Blue Line
    MAX Blue Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with eastern and western suburbs as part of the region’s MAX Light Rail system.
  • B. Metro C Line
    The Metro C Line is a light rail line in Los Angeles County that runs east–west, connecting Norwalk to Redondo Beach and serving key transit hubs including Los Angeles International Airport via shuttle.
  • C. DART Red Line
    The DART Red Line is a light rail service in Dallas, Texas, forming one of the primary routes in the Dallas Area Rapid Transit rail network.
  • D. Metro B Line
    The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
  • E. MAX Orange Line
    The MAX Orange Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with the southeast corridor, including Milwaukie.
  • 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 toward Beaverton Transit Center
Triple: [Portland International Airport station, servedByLine, MAX Red Line toward Beaverton Transit Center]
Generated description
MAX Red Line toward Beaverton Transit Center is a westbound light rail service in Portland, Oregon, connecting Portland International Airport and downtown Portland with the Beaverton Transit Center.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MAX Red Line toward Beaverton Transit Center
Target entity description: MAX Red Line toward Beaverton Transit Center is a westbound light rail service in Portland, Oregon, connecting Portland International Airport and downtown Portland with the Beaverton Transit Center.
  • A. MAX Blue Line
    MAX Blue Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with eastern and western suburbs as part of the region’s MAX Light Rail system.
  • B. Metro C Line
    The Metro C Line is a light rail line in Los Angeles County that runs east–west, connecting Norwalk to Redondo Beach and serving key transit hubs including Los Angeles International Airport via shuttle.
  • C. DART Red Line
    The DART Red Line is a light rail service in Dallas, Texas, forming one of the primary routes in the Dallas Area Rapid Transit rail network.
  • D. Metro B Line
    The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
  • E. MAX Orange Line
    The MAX Orange Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with the southeast corridor, including Milwaukie.
  • 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_69a493599a0081908da65f3407af1ef2 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a64c67748190aef3522b4b428563 completed March 1, 2026, 8:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69a654e8d80481908505896fb6ead36b completed March 3, 2026, 3:26 a.m.
NEDg Description generation batch_69a655c79044819098e36081b754c9be completed March 3, 2026, 3:30 a.m.
NED2 Entity disambiguation (via description) batch_69a65638cd5881908b421d9d8a90291b completed March 3, 2026, 3:32 a.m.
Created at: March 1, 2026, 7:37 p.m.