Triple

T807207
Position Surface form Disambiguated ID Type / Status
Subject MAX Light Rail E17464 entity
Predicate hasStation P35 FINISHED
Object PSU South stations
PSU South stations are a pair of light rail stops in downtown Portland, Oregon, serving Portland State University on TriMet’s MAX system.
 E96787 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: PSU South stations | Statement: [MAX Light Rail, hasStation, PSU South stations]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PSU South stations
Context triple: [MAX Light Rail, hasStation, PSU South stations]
  • A. Southeast station
    Southeast station is a Metro-North Railroad commuter rail stop in the town of Southeast, New York, serving the Harlem Line.
  • B. Snyder station
    Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
  • C. Kenmore station
    Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
  • D. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • E. Ballston–MU station
    Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
  • 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: PSU South stations
Triple: [MAX Light Rail, hasStation, PSU South stations]
Generated description
PSU South stations are a pair of light rail stops in downtown Portland, Oregon, serving Portland State University on TriMet’s MAX system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PSU South stations
Target entity description: PSU South stations are a pair of light rail stops in downtown Portland, Oregon, serving Portland State University on TriMet’s MAX system.
  • A. Southeast station
    Southeast station is a Metro-North Railroad commuter rail stop in the town of Southeast, New York, serving the Harlem Line.
  • B. Snyder station
    Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
  • C. Kenmore station
    Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
  • D. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • E. Ballston–MU station
    Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
  • 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_69a4937ae8a08190b5084a03d532b30e completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4ab23862c8190bfd6558936c58410 completed March 1, 2026, 9:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69a76d83cf448190a2205cd777386833 completed March 3, 2026, 11:23 p.m.
NEDg Description generation batch_69a77fca11a88190ac74840fc6678cc4 completed March 4, 2026, 12:41 a.m.
NED2 Entity disambiguation (via description) batch_69a7805555388190a22fa3000eb2a717 completed March 4, 2026, 12:44 a.m.
Created at: March 1, 2026, 7:38 p.m.