Triple

T159617
Position Surface form Disambiguated ID Type / Status
Subject Baltimore Light RailLink E3252 entity
Predicate terminus P388 FINISHED
Object BWI Airport station
BWI Airport station is a transit station serving Baltimore/Washington International Thurgood Marshall Airport, providing rail connections between the airport and the Baltimore metropolitan area.
 E22285 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: BWI Airport station | Statement: [Baltimore Light RailLink, terminus, BWI Airport station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BWI Airport station
Context triple: [Baltimore Light RailLink, terminus, BWI Airport station]
  • A. Hunt Valley station
    Hunt Valley station is a light rail transit station in Hunt Valley, Maryland, serving as the northern endpoint of the Baltimore Light RailLink system.
  • B. Baltimore/Washington International Thurgood Marshall Airport
    Baltimore/Washington International Thurgood Marshall Airport is a major commercial airport in Maryland serving the greater Baltimore–Washington metropolitan area as a key hub for domestic and some international flights.
  • C. Pennsylvania Station (Baltimore)
    Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
  • D. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • E. Martinsburg station
    Martinsburg station is a historic passenger rail station in Martinsburg, West Virginia, serving MARC commuter trains and Amtrak services on the former Baltimore & Ohio Railroad line.
  • 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: BWI Airport station
Triple: [Baltimore Light RailLink, terminus, BWI Airport station]
Generated description
BWI Airport station is a transit station serving Baltimore/Washington International Thurgood Marshall Airport, providing rail connections between the airport and the Baltimore metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BWI Airport station
Target entity description: BWI Airport station is a transit station serving Baltimore/Washington International Thurgood Marshall Airport, providing rail connections between the airport and the Baltimore metropolitan area.
  • A. Hunt Valley station
    Hunt Valley station is a light rail transit station in Hunt Valley, Maryland, serving as the northern endpoint of the Baltimore Light RailLink system.
  • B. Baltimore/Washington International Thurgood Marshall Airport
    Baltimore/Washington International Thurgood Marshall Airport is a major commercial airport in Maryland serving the greater Baltimore–Washington metropolitan area as a key hub for domestic and some international flights.
  • C. Pennsylvania Station (Baltimore)
    Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
  • D. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • E. Martinsburg station
    Martinsburg station is a historic passenger rail station in Martinsburg, West Virginia, serving MARC commuter trains and Amtrak services on the former Baltimore & Ohio Railroad line.
  • 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_69a2ee88015c8190af7d6c9add7df714 completed Feb. 28, 2026, 1:32 p.m.
NEDg Description generation batch_69a2ef24de2c8190b93330c76172507b completed Feb. 28, 2026, 1:35 p.m.
NED2 Entity disambiguation (via description) batch_69a2ef9d85cc8190b585b87c30f58ae1 completed Feb. 28, 2026, 1:37 p.m.
Created at: Feb. 28, 2026, 2:31 a.m.