Triple

T3543594
Position Surface form Disambiguated ID Type / Status
Subject CTA Blue Line E74942 entity
Predicate hasStation P35 FINISHED
Object Harlem (Forest Park branch)
Harlem (Forest Park branch) is a Chicago 'L' rapid transit station on the Forest Park branch of the Blue Line serving the city's West Side and nearby suburbs.
E367332 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: Harlem (Forest Park branch) | Statement: [CTA Blue Line, hasStation, Harlem (Forest Park branch)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harlem (Forest Park branch)
Context triple: [CTA Blue Line, hasStation, Harlem (Forest Park branch)]
  • A. Union Square Branch
    The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
  • B. New York State Armory, Harlem
    The New York State Armory in Harlem is a historic National Guard facility in New York City, notable for its fortress-like architecture and long-standing role in the city’s military and community life.
  • C. Bowie Branch Library
    The Bowie Branch Library is a public library serving the community of Bowie, Maryland with lending materials, programs, and information services.
  • D. Schomburg Center for Research in Black Culture
    The Schomburg Center for Research in Black Culture is a renowned research library and archival institution in Harlem, New York City, dedicated to preserving and showcasing the history and culture of people of African descent.
  • E. Mid-Manhattan Library
    The Mid-Manhattan Library is a major circulating branch of the New York Public Library system in Manhattan, known for its extensive general-interest collections and public services.
  • 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: Harlem (Forest Park branch)
Triple: [CTA Blue Line, hasStation, Harlem (Forest Park branch)]
Generated description
Harlem (Forest Park branch) is a Chicago 'L' rapid transit station on the Forest Park branch of the Blue Line serving the city's West Side and nearby suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harlem (Forest Park branch)
Target entity description: Harlem (Forest Park branch) is a Chicago 'L' rapid transit station on the Forest Park branch of the Blue Line serving the city's West Side and nearby suburbs.
  • A. Union Square Branch
    The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
  • B. New York State Armory, Harlem
    The New York State Armory in Harlem is a historic National Guard facility in New York City, notable for its fortress-like architecture and long-standing role in the city’s military and community life.
  • C. Bowie Branch Library
    The Bowie Branch Library is a public library serving the community of Bowie, Maryland with lending materials, programs, and information services.
  • D. Schomburg Center for Research in Black Culture
    The Schomburg Center for Research in Black Culture is a renowned research library and archival institution in Harlem, New York City, dedicated to preserving and showcasing the history and culture of people of African descent.
  • E. Mid-Manhattan Library
    The Mid-Manhattan Library is a major circulating branch of the New York Public Library system in Manhattan, known for its extensive general-interest collections and public services.
  • 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_69ad85d274cc8190ab59c97298a1cfbf completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbf752dd481909226044ffe595338 completed March 8, 2026, 6:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b38bdd0cb4819086119b54c2708850 completed March 13, 2026, 4 a.m.
NEDg Description generation batch_69b38cb6a2188190b68f4903144a0e51 completed March 13, 2026, 4:04 a.m.
NED2 Entity disambiguation (via description) batch_69b39062a10c8190bc227c02cf4f3ab1 completed March 13, 2026, 4:19 a.m.
Created at: March 8, 2026, 3:20 p.m.