Triple

T1455645
Position Surface form Disambiguated ID Type / Status
Subject Blue Island, Illinois E31390 entity
Predicate hasStation P35 FINISHED
Object Blue Island–Vermont Street station
Blue Island–Vermont Street station is a Metra commuter rail station in Blue Island, Illinois, serving as a key stop on Chicago-area rail lines.
 E216185 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: Blue Island–Vermont Street station | Statement: [Blue Island, Illinois, hasStation, Blue Island–Vermont Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blue Island–Vermont Street station
Context triple: [Blue Island, Illinois, hasStation, Blue Island–Vermont Street station]
  • A. Branch Avenue station
    Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
  • B. LaSalle/Van Buren station
    LaSalle/Van Buren station is a Chicago 'L' rapid transit stop in the Loop that serves multiple lines and connects to the nearby LaSalle Street commuter rail station.
  • C. Minnesota Avenue station
    Minnesota Avenue station is an elevated Washington Metro stop in Northeast Washington, D.C., serving the Orange Line near the Anacostia River.
  • D. Pattison Avenue station
    Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
  • E. Harlem/Lake station
    Harlem/Lake station is the western terminal of the Chicago Transit Authority’s Green Line, located in the suburb of Oak Park, Illinois.
  • 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: Blue Island–Vermont Street station
Triple: [Blue Island, Illinois, hasStation, Blue Island–Vermont Street station]
Generated description
Blue Island–Vermont Street station is a Metra commuter rail station in Blue Island, Illinois, serving as a key stop on Chicago-area rail lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Blue Island–Vermont Street station
Target entity description: Blue Island–Vermont Street station is a Metra commuter rail station in Blue Island, Illinois, serving as a key stop on Chicago-area rail lines.
  • A. Branch Avenue station
    Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
  • B. LaSalle/Van Buren station
    LaSalle/Van Buren station is a Chicago 'L' rapid transit stop in the Loop that serves multiple lines and connects to the nearby LaSalle Street commuter rail station.
  • C. Minnesota Avenue station
    Minnesota Avenue station is an elevated Washington Metro stop in Northeast Washington, D.C., serving the Orange Line near the Anacostia River.
  • D. Pattison Avenue station
    Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
  • E. Harlem/Lake station
    Harlem/Lake station is the western terminal of the Chicago Transit Authority’s Green Line, located in the suburb of Oak Park, Illinois.
  • 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_69a499171a28819085b993a3ac78e363 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c581714881909bf4c2bad9645176 completed March 1, 2026, 11:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69adf3b07b688190a0c90796da21c4d5 completed March 8, 2026, 10:09 p.m.
NEDg Description generation batch_69adf51bec408190add5915bf4a328c6 completed March 8, 2026, 10:15 p.m.
NED2 Entity disambiguation (via description) batch_69adf5f57f30819081f7911ded62a061 completed March 8, 2026, 10:19 p.m.
Created at: March 1, 2026, 8 p.m.