Triple

T4177119
Position Surface form Disambiguated ID Type / Status
Subject Salt Lake City TRAX E86503 entity
Predicate hasStation P35 FINISHED
Object Salt Lake Central station
Salt Lake Central station is a major intermodal transit hub in downtown Salt Lake City, Utah, serving light rail, commuter rail, and bus services.
 E416836 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: Salt Lake Central station | Statement: [Salt Lake City TRAX, hasStation, Salt Lake Central station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Salt Lake Central station
Context triple: [Salt Lake City TRAX, hasStation, Salt Lake Central station]
  • A. Island Park station
    Island Park station is a Long Island Rail Road commuter rail stop serving the village of Island Park in Nassau County, New York.
  • B. Creel station
    Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
  • C. 7th Street/Metro Center station
    7th Street/Metro Center station is a major underground transit hub in downtown Los Angeles that serves multiple Metro Rail lines and connects rail services with numerous bus routes.
  • D. Fremont station
    Fremont station is a Bay Area Rapid Transit (BART) rail station serving the city of Fremont in the southeastern San Francisco Bay Area.
  • E. Portland Union Station
    Portland Union Station is a historic railway terminal in Portland, Oregon, serving as a major Amtrak hub for intercity passenger trains in the Pacific Northwest.
  • 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: Salt Lake Central station
Triple: [Salt Lake City TRAX, hasStation, Salt Lake Central station]
Generated description
Salt Lake Central station is a major intermodal transit hub in downtown Salt Lake City, Utah, serving light rail, commuter rail, and bus services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Salt Lake Central station
Target entity description: Salt Lake Central station is a major intermodal transit hub in downtown Salt Lake City, Utah, serving light rail, commuter rail, and bus services.
  • A. Island Park station
    Island Park station is a Long Island Rail Road commuter rail stop serving the village of Island Park in Nassau County, New York.
  • B. Creel station
    Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
  • C. 7th Street/Metro Center station
    7th Street/Metro Center station is a major underground transit hub in downtown Los Angeles that serves multiple Metro Rail lines and connects rail services with numerous bus routes.
  • D. Fremont station
    Fremont station is a Bay Area Rapid Transit (BART) rail station serving the city of Fremont in the southeastern San Francisco Bay Area.
  • E. Portland Union Station
    Portland Union Station is a historic railway terminal in Portland, Oregon, serving as a major Amtrak hub for intercity passenger trains in the Pacific Northwest.
  • 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_69aed93de98c8190ad838ce507b77c8a completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af02ec20fc8190b6f30576337e0ddc completed March 9, 2026, 5:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b57f57509881909d0353a48d868f5d completed March 14, 2026, 3:31 p.m.
NEDg Description generation batch_69b57fbb037481908b2891e3af32e6e5 completed March 14, 2026, 3:33 p.m.
NED2 Entity disambiguation (via description) batch_69b58016777c8190a3e73ab96907e3a3 completed March 14, 2026, 3:34 p.m.
Created at: March 9, 2026, 3:45 p.m.