Triple

T4241834
Position Surface form Disambiguated ID Type / Status
Subject North Central Service E95430 entity
Predicate hasStation P35 FINISHED
Object Prairie View station
Prairie View station is a commuter rail stop in Prairie View, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
 E425256 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: Prairie View station | Statement: [North Central Service, hasStation, Prairie View station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Prairie View station
Context triple: [North Central Service, hasStation, Prairie View station]
  • A. North Springs station
    North Springs station is a northern terminus rapid transit station on MARTA’s Red Line serving the suburban city of Sandy Springs in the Atlanta metropolitan area.
  • B. San Antonio station
    San Antonio station is a historic Amtrak rail hub in downtown San Antonio, Texas, serving multiple long-distance passenger routes.
  • C. Inwood/Love Field station
    Inwood/Love Field station is a Dallas Area Rapid Transit light rail stop that serves the nearby Dallas Love Field Airport and surrounding neighborhoods.
  • D. Walnut Hill/Denton station
    Walnut Hill/Denton station is a Dallas Area Rapid Transit (DART) light rail stop in Dallas, Texas, serving the Green Line and providing access to nearby residential and commercial areas.
  • E. Deep Ellum station
    Deep Ellum station is a light rail stop in Dallas, Texas, serving the vibrant Deep Ellum entertainment district on DART’s Green Line.
  • 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: Prairie View station
Triple: [North Central Service, hasStation, Prairie View station]
Generated description
Prairie View station is a commuter rail stop in Prairie View, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Prairie View station
Target entity description: Prairie View station is a commuter rail stop in Prairie View, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
  • A. North Springs station
    North Springs station is a northern terminus rapid transit station on MARTA’s Red Line serving the suburban city of Sandy Springs in the Atlanta metropolitan area.
  • B. San Antonio station
    San Antonio station is a historic Amtrak rail hub in downtown San Antonio, Texas, serving multiple long-distance passenger routes.
  • C. Inwood/Love Field station
    Inwood/Love Field station is a Dallas Area Rapid Transit light rail stop that serves the nearby Dallas Love Field Airport and surrounding neighborhoods.
  • D. Walnut Hill/Denton station
    Walnut Hill/Denton station is a Dallas Area Rapid Transit (DART) light rail stop in Dallas, Texas, serving the Green Line and providing access to nearby residential and commercial areas.
  • E. Deep Ellum station
    Deep Ellum station is a light rail stop in Dallas, Texas, serving the vibrant Deep Ellum entertainment district on DART’s Green Line.
  • 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_69b3453d91548190b4d4ef8fe52aa2ac completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b34e891bc08190831187da4f553f48 completed March 12, 2026, 11:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5a872fd6881908a3fbe37e7c35c92 completed March 14, 2026, 6:26 p.m.
NEDg Description generation batch_69b5a8e024a081909e7ecbe969793281 completed March 14, 2026, 6:28 p.m.
NED2 Entity disambiguation (via description) batch_69b5acefd1f881908226ff68a741552b completed March 14, 2026, 6:46 p.m.
Created at: March 12, 2026, 11:05 p.m.