Triple

T254927
Position Surface form Disambiguated ID Type / Status
Subject Adams Morgan E5415 entity
Predicate nearbyMetroStation P2064 FINISHED
Object Columbia Heights station
Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
 E48337 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: Columbia Heights station | Statement: [Adams Morgan, nearbyMetroStation, Columbia Heights station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Columbia Heights station
Context triple: [Adams Morgan, nearbyMetroStation, Columbia Heights station]
  • A. Woodley Park–Zoo/Adams Morgan station
    Woodley Park–Zoo/Adams Morgan station is a Washington, D.C. Metro station on the Red Line that serves the Woodley Park and Adams Morgan neighborhoods near the National Zoo.
  • B. Foggy Bottom–GWU station
    Foggy Bottom–GWU station is a Washington, D.C. Metrorail station on the Blue, Orange, and Silver lines serving the George Washington University campus and nearby landmarks including the Kennedy Center.
  • C. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • D. Capitol South Metro station
    Capitol South Metro station is a Washington, D.C. Metrorail station serving the U.S. Capitol complex and surrounding government offices on Capitol Hill.
  • E. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • 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: Columbia Heights station
Triple: [Adams Morgan, nearbyMetroStation, Columbia Heights station]
Generated description
Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Columbia Heights station
Target entity description: Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
  • A. Woodley Park–Zoo/Adams Morgan station
    Woodley Park–Zoo/Adams Morgan station is a Washington, D.C. Metro station on the Red Line that serves the Woodley Park and Adams Morgan neighborhoods near the National Zoo.
  • B. Foggy Bottom–GWU station
    Foggy Bottom–GWU station is a Washington, D.C. Metrorail station on the Blue, Orange, and Silver lines serving the George Washington University campus and nearby landmarks including the Kennedy Center.
  • C. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • D. Capitol South Metro station
    Capitol South Metro station is a Washington, D.C. Metrorail station serving the U.S. Capitol complex and surrounding government offices on Capitol Hill.
  • E. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • 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_69a2580a64ac8190ad76e34bb0715b5e completed Feb. 28, 2026, 2:50 a.m.
NER Named-entity recognition batch_69a25d548cac819081b1636b2a057c62 completed Feb. 28, 2026, 3:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3faf665a08190a9ce9fecfd057eae completed March 1, 2026, 8:38 a.m.
NEDg Description generation batch_69a3fbb1e0748190abb040da322bce23 completed March 1, 2026, 8:41 a.m.
NED2 Entity disambiguation (via description) batch_69a3fda1f4c88190ab3397b3ce54664f completed March 1, 2026, 8:49 a.m.
Created at: Feb. 28, 2026, 2:55 a.m.