Triple

T159642
Position Surface form Disambiguated ID Type / Status
Subject Baltimore Light RailLink E3252 entity
Predicate hasStation P35 FINISHED
Object Penn Station (Light RailLink)
Penn Station (Light RailLink) is a light rail station in Baltimore that serves as a key transit stop adjacent to the city’s main intercity train terminal, Baltimore Penn Station.
 E41542 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: Penn Station (Light RailLink) | Statement: [Baltimore Light RailLink, hasStation, Penn Station (Light RailLink)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Penn Station (Light RailLink)
Context triple: [Baltimore Light RailLink, hasStation, Penn Station (Light RailLink)]
  • A. 37th Street station
    37th Street station is a Philadelphia trolley stop on SEPTA’s Subway–Surface Lines serving the University City area near the University of Pennsylvania.
  • B. 22nd Street station
    22nd Street station is an underground trolley stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines.
  • C. Eisenhower Avenue station
    Eisenhower Avenue station is a Washington Metro rapid transit stop serving the Yellow Line in Alexandria, Virginia, near the Eisenhower Avenue corridor and adjacent commercial and residential areas.
  • D. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • E. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • 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: Penn Station (Light RailLink)
Triple: [Baltimore Light RailLink, hasStation, Penn Station (Light RailLink)]
Generated description
Penn Station (Light RailLink) is a light rail station in Baltimore that serves as a key transit stop adjacent to the city’s main intercity train terminal, Baltimore Penn Station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Penn Station (Light RailLink)
Target entity description: Penn Station (Light RailLink) is a light rail station in Baltimore that serves as a key transit stop adjacent to the city’s main intercity train terminal, Baltimore Penn Station.
  • A. 37th Street station
    37th Street station is a Philadelphia trolley stop on SEPTA’s Subway–Surface Lines serving the University City area near the University of Pennsylvania.
  • B. 22nd Street station
    22nd Street station is an underground trolley stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines.
  • C. Eisenhower Avenue station
    Eisenhower Avenue station is a Washington Metro rapid transit stop serving the Yellow Line in Alexandria, Virginia, near the Eisenhower Avenue corridor and adjacent commercial and residential areas.
  • D. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • E. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • 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_69a2527757ec819090b8becb2cf1a862 completed Feb. 28, 2026, 2:27 a.m.
NER Named-entity recognition batch_69a25855baf48190a1b63f2e5865d957 completed Feb. 28, 2026, 2:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3cafa597881909ab227e02520b15c completed March 1, 2026, 5:13 a.m.
NEDg Description generation batch_69a3cbe58a4c8190876603a5ca545784 completed March 1, 2026, 5:17 a.m.
NED2 Entity disambiguation (via description) batch_69a3cc37976081909f13caa0d56fdd29 completed March 1, 2026, 5:18 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.