Triple

T4274521
Position Surface form Disambiguated ID Type / Status
Subject UIC–Halsted station E97016 entity
Predicate partOf P40 FINISHED
Object Congress Branch of the Blue Line
The Congress Branch of the Blue Line is a rapid transit corridor of Chicago's 'L' system that runs in the median of the Eisenhower Expressway, serving neighborhoods on the city's West Side and near-west suburbs.
E426593 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: Congress Branch of the Blue Line | Statement: [UIC–Halsted station, partOf, Congress Branch of the Blue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Congress Branch of the Blue Line
Context triple: [UIC–Halsted station, partOf, Congress Branch of the Blue Line]
  • A. Blue line
    The Blue line is one of the main lines of the Stockholm metro system, connecting central Stockholm with several northern and western suburbs.
  • B. Lynx Blue Line
    The Lynx Blue Line is a major light rail transit route serving Charlotte, North Carolina, connecting Uptown with surrounding neighborhoods and suburbs.
  • C. MARC Brunswick Line
    The MARC Brunswick Line is a Maryland Area Regional Commuter rail service that operates between Washington, D.C., and points in western Maryland and eastern West Virginia, providing weekday commuter transportation along the former B&O Railroad main line.
  • D. City Line
    City Line is a residential neighborhood in eastern Brooklyn, New York City, located near the borough’s border with Queens.
  • E. Bridge Line
    Bridge Line was a former rapid transit service in the Philadelphia–Camden area that operated across the Benjamin Franklin Bridge before being replaced and expanded by the PATCO Speedline.
  • 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: Congress Branch of the Blue Line
Triple: [UIC–Halsted station, partOf, Congress Branch of the Blue Line]
Generated description
The Congress Branch of the Blue Line is a rapid transit corridor of Chicago's 'L' system that runs in the median of the Eisenhower Expressway, serving neighborhoods on the city's West Side and near-west suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Congress Branch of the Blue Line
Target entity description: The Congress Branch of the Blue Line is a rapid transit corridor of Chicago's 'L' system that runs in the median of the Eisenhower Expressway, serving neighborhoods on the city's West Side and near-west suburbs.
  • A. Blue line
    The Blue line is one of the main lines of the Stockholm metro system, connecting central Stockholm with several northern and western suburbs.
  • B. Lynx Blue Line
    The Lynx Blue Line is a major light rail transit route serving Charlotte, North Carolina, connecting Uptown with surrounding neighborhoods and suburbs.
  • C. MARC Brunswick Line
    The MARC Brunswick Line is a Maryland Area Regional Commuter rail service that operates between Washington, D.C., and points in western Maryland and eastern West Virginia, providing weekday commuter transportation along the former B&O Railroad main line.
  • D. City Line
    City Line is a residential neighborhood in eastern Brooklyn, New York City, located near the borough’s border with Queens.
  • E. Bridge Line
    Bridge Line was a former rapid transit service in the Philadelphia–Camden area that operated across the Benjamin Franklin Bridge before being replaced and expanded by the PATCO Speedline.
  • 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_69b34544be3c819084d1ab82d29f90c5 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b3501abb74819086b2f04ac7a5c114 completed March 12, 2026, 11:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5b7ace6c881908e1fbde95a2a3c04 completed March 14, 2026, 7:31 p.m.
NEDg Description generation batch_69b5b95083088190b0c993fa2fbc954c completed March 14, 2026, 7:38 p.m.
NED2 Entity disambiguation (via description) batch_69b5b9b8afcc8190822cfd560d064590 completed March 14, 2026, 7:40 p.m.
Created at: March 12, 2026, 11:07 p.m.