Triple

T7024531
Position Surface form Disambiguated ID Type / Status
Subject Loop elevated E162909 entity
Predicate hasStation P35 FINISHED
Object Quincy station
Quincy station is a historic elevated rapid transit stop in downtown Chicago that serves the city's Loop 'L' system.
 E636807 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: Quincy station | Statement: [Loop elevated, hasStation, Quincy station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Quincy station
Context triple: [Loop elevated, hasStation, Quincy station]
  • A. Quincy Center station
    Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
  • B. Hawthorne station
    Hawthorne station is a commuter rail stop in Mount Pleasant, New York, serving passengers on the Metro-North Railroad’s Harlem Line.
  • C. Quincy Adams station
    Quincy Adams station is a rapid transit station on Boston's MBTA Red Line serving the city of Quincy, Massachusetts.
  • D. Belmont station
    Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
  • E. Belmont station
    Belmont station is a commuter rail stop in Downers Grove, Illinois, served by Metra’s BNSF Railway Line connecting the suburb to downtown Chicago.
  • 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: Quincy station
Triple: [Loop elevated, hasStation, Quincy station]
Generated description
Quincy station is a historic elevated rapid transit stop in downtown Chicago that serves the city's Loop 'L' system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Quincy station
Target entity description: Quincy station is a historic elevated rapid transit stop in downtown Chicago that serves the city's Loop 'L' system.
  • A. Quincy Center station
    Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
  • B. Hawthorne station
    Hawthorne station is a commuter rail stop in Mount Pleasant, New York, serving passengers on the Metro-North Railroad’s Harlem Line.
  • C. Quincy Adams station
    Quincy Adams station is a rapid transit station on Boston's MBTA Red Line serving the city of Quincy, Massachusetts.
  • D. Belmont station
    Belmont station is a commuter rail stop in Downers Grove, Illinois, served by Metra’s BNSF Railway Line connecting the suburb to downtown Chicago.
  • E. Belmont station
    Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
  • 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_69c6885b26248190a857541e3d10e299 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e1fa043c81909c900e394a5972f9 completed March 27, 2026, 8 p.m.
NED1 Entity disambiguation (via context triple) batch_69c77581e2a88190ad2ec9855772c6a5 completed March 28, 2026, 6:30 a.m.
NEDg Description generation batch_69c7768f12648190a8e9855af2458a94 completed March 28, 2026, 6:34 a.m.
NED2 Entity disambiguation (via description) batch_69c776bdf56c8190a9fa83d6f2697f1b completed March 28, 2026, 6:35 a.m.
Created at: March 27, 2026, 2:35 p.m.