Triple

T797682
Position Surface form Disambiguated ID Type / Status
Subject Green Line (CTA) E17058 entity
Predicate hasBranch P35 FINISHED
Object Jackson Park Branch
Jackson Park Branch is a southern extension of Chicago's Green Line rapid transit route that serves neighborhoods near Jackson Park on the city's South Side.
 E96403 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: Jackson Park Branch | Statement: [Green Line (CTA), hasBranch, Jackson Park Branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Jackson Park Branch
Context triple: [Green Line (CTA), hasBranch, Jackson Park Branch]
  • A. Chicago Public Library
    Chicago Public Library is the municipal public library system of Chicago, Illinois, providing free access to books, digital resources, and community programs through a network of neighborhood branches.
  • B. Parker Hill Branch Library
    Parker Hill Branch Library is a historic public library branch serving the Mission Hill neighborhood of Boston, Massachusetts.
  • C. Englewood Branch
    The Englewood Branch is a former south side segment of Chicago's Green Line rapid transit route that historically served the Englewood neighborhood.
  • D. Chinn Park Regional Library
    Chinn Park Regional Library is a major public library serving the Woodbridge, Virginia community with extensive collections, programs, and community services.
  • E. Long Beach Branch
    Long Beach Branch is a commuter rail line of the Long Island Rail Road in New York that runs between Long Beach and Jamaica, Queens.
  • 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: Jackson Park Branch
Triple: [Green Line (CTA), hasBranch, Jackson Park Branch]
Generated description
Jackson Park Branch is a southern extension of Chicago's Green Line rapid transit route that serves neighborhoods near Jackson Park on the city's South Side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Jackson Park Branch
Target entity description: Jackson Park Branch is a southern extension of Chicago's Green Line rapid transit route that serves neighborhoods near Jackson Park on the city's South Side.
  • A. Chicago Public Library
    Chicago Public Library is the municipal public library system of Chicago, Illinois, providing free access to books, digital resources, and community programs through a network of neighborhood branches.
  • B. Parker Hill Branch Library
    Parker Hill Branch Library is a historic public library branch serving the Mission Hill neighborhood of Boston, Massachusetts.
  • C. Englewood Branch chosen
    The Englewood Branch is a former south side segment of Chicago's Green Line rapid transit route that historically served the Englewood neighborhood.
  • D. Chinn Park Regional Library
    Chinn Park Regional Library is a major public library serving the Woodbridge, Virginia community with extensive collections, programs, and community services.
  • E. Long Beach Branch
    Long Beach Branch is a commuter rail line of the Long Island Rail Road in New York that runs between Long Beach and Jamaica, Queens.
  • 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_69a49378b9c48190adbf5f62e5b7aca1 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a7b342888190a344fe81a2c9f33c completed March 1, 2026, 8:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69a792892a588190b15b0cb95c431084 completed March 4, 2026, 2:01 a.m.
NEDg Description generation batch_69a79335d99c819098c72e7a86ad1130 completed March 4, 2026, 2:04 a.m.
NED2 Entity disambiguation (via description) batch_69a793c612d88190bce254142bd75f67 completed March 4, 2026, 2:07 a.m.
Created at: March 1, 2026, 7:38 p.m.