Triple

T9077632
Position Surface form Disambiguated ID Type / Status
Subject Arlington Cemetery station E217527 entity
Predicate adjacentStation P5707 FINISHED
Object Pentagon station
Pentagon station is a major Washington Metro transit hub in Arlington, Virginia, serving the Pentagon and connecting multiple lines and bus routes.
 E776773 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: Pentagon station | Statement: [Arlington Cemetery station, adjacentStation, Pentagon station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pentagon station
Context triple: [Arlington Cemetery station, adjacentStation, Pentagon station]
  • A. Pentagon City station
    Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
  • B. Federal Center station
    Federal Center station is a light rail transit stop in Lakewood, Colorado, serving Denver’s RTD W Line and the nearby Denver Federal Center complex.
  • C. Roosevelt station
    Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
  • D. Judiciary Square station
    Judiciary Square station is an underground Washington Metro station in downtown Washington, D.C., serving the city's judicial and government district.
  • E. Smithsonian Metro station
    Smithsonian Metro station is a Washington, D.C. Metrorail stop on the National Mall that serves major museums and monuments including the Smithsonian Institution.
  • 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: Pentagon station
Triple: [Arlington Cemetery station, adjacentStation, Pentagon station]
Generated description
Pentagon station is a major Washington Metro transit hub in Arlington, Virginia, serving the Pentagon and connecting multiple lines and bus routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pentagon station
Target entity description: Pentagon station is a major Washington Metro transit hub in Arlington, Virginia, serving the Pentagon and connecting multiple lines and bus routes.
  • A. Pentagon City station
    Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
  • B. Federal Center station
    Federal Center station is a light rail transit stop in Lakewood, Colorado, serving Denver’s RTD W Line and the nearby Denver Federal Center complex.
  • C. Roosevelt station
    Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
  • D. Judiciary Square station
    Judiciary Square station is an underground Washington Metro station in downtown Washington, D.C., serving the city's judicial and government district.
  • E. Smithsonian Metro station
    Smithsonian Metro station is a Washington, D.C. Metrorail stop on the National Mall that serves major museums and monuments including the Smithsonian Institution.
  • 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_69ca83d6c14c8190bc056d927f00a2a2 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cc95c7d3688190a4c1c6a92965eae4 completed April 1, 2026, 3:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69cffe190c28819098ee017c75d72ad0 completed April 3, 2026, 5:51 p.m.
NEDg Description generation batch_69d0013b50e081909595efe822bf5565 completed April 3, 2026, 6:04 p.m.
NED2 Entity disambiguation (via description) batch_69d001f04db48190aaa1fb9efb36df2b completed April 3, 2026, 6:07 p.m.
Created at: March 30, 2026, 7:12 p.m.