Triple

T4040004
Position Surface form Disambiguated ID Type / Status
Subject CTA Orange Line E83922 entity
Predicate hasStation P35 FINISHED
Object Quincy station
Quincy station is a rapid transit stop in Quincy, Massachusetts, serving the Massachusetts Bay Transportation Authority’s Red Line.
 E39071 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: [CTA Orange Line, hasStation, Quincy station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Quincy station
Context triple: [CTA Orange Line, 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. Quincy Adams station
    Quincy Adams station is a rapid transit station on Boston's MBTA Red Line serving the city of Quincy, Massachusetts.
  • C. 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.
  • 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. Medford station
    Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
  • 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: [CTA Orange Line, hasStation, Quincy station]
Generated description
Quincy station is a rapid transit stop in Quincy, Massachusetts, serving the Massachusetts Bay Transportation Authority’s Red Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Quincy station
Target entity description: Quincy station is a rapid transit stop in Quincy, Massachusetts, serving the Massachusetts Bay Transportation Authority’s Red Line.
  • A. Quincy Center station chosen
    Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
  • B. Quincy Adams station
    Quincy Adams station is a rapid transit station on Boston's MBTA Red Line serving the city of Quincy, Massachusetts.
  • C. 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.
  • 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. Medford station
    Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
  • F. None of above.

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_69aed92f7cf0819098e0539bdcc3767f completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefb39400881909d0f5430f04e441c completed March 9, 2026, 4:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5c6f3796c8190bac5529032419ecc completed March 14, 2026, 8:37 p.m.
NEDg Description generation batch_69b5c79491a48190865aaa674baebd9b completed March 14, 2026, 8:39 p.m.
NED2 Entity disambiguation (via description) batch_69b5c80ecc7481908deb061969a82c59 completed March 14, 2026, 8:41 p.m.
Created at: March 9, 2026, 3:37 p.m.