Triple

T539788
Position Surface form Disambiguated ID Type / Status
Subject Bailey's Crossroads E12603 entity
Predicate nearestMetrorailStations P4625 FINISHED
Object Ballston–MU station
Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
 E89702 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: Ballston–MU station | Statement: [Bailey's Crossroads, nearestMetrorailStations, Ballston–MU station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ballston–MU station
Context triple: [Bailey's Crossroads, nearestMetrorailStations, Ballston–MU station]
  • A. Jefferson Station
    Jefferson Station is a major regional rail hub in Center City Philadelphia that connects numerous SEPTA commuter lines and provides convenient access to nearby attractions and commercial areas.
  • B. Southeast station
    Southeast station is a Metro-North Railroad commuter rail stop in the town of Southeast, New York, serving the Harlem Line.
  • C. Walnut–Locust station
    Walnut–Locust station is an underground rapid transit stop in Center City Philadelphia serving passengers on SEPTA’s Broad Street Line.
  • D. Snyder station
    Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
  • E. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • 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: Ballston–MU station
Triple: [Bailey's Crossroads, nearestMetrorailStations, Ballston–MU station]
Generated description
Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ballston–MU station
Target entity description: Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
  • A. Jefferson Station
    Jefferson Station is a major regional rail hub in Center City Philadelphia that connects numerous SEPTA commuter lines and provides convenient access to nearby attractions and commercial areas.
  • B. Southeast station
    Southeast station is a Metro-North Railroad commuter rail stop in the town of Southeast, New York, serving the Harlem Line.
  • C. Walnut–Locust station
    Walnut–Locust station is an underground rapid transit stop in Center City Philadelphia serving passengers on SEPTA’s Broad Street Line.
  • D. Snyder station
    Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
  • E. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • 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_69a49334226c81908b0ea1689ef6aa3f completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49d278cf88190ad1368da91a7014f completed March 1, 2026, 8:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69a65e2e20c08190af76454812a0c88b completed March 3, 2026, 4:06 a.m.
NEDg Description generation batch_69a65ef36bac8190806ab440c3bdd6fa completed March 3, 2026, 4:09 a.m.
NED2 Entity disambiguation (via description) batch_69a65f5c0ec88190888d4e8ca3fc04fc completed March 3, 2026, 4:11 a.m.
Created at: March 1, 2026, 7:32 p.m.