Triple

T704638
Position Surface form Disambiguated ID Type / Status
Subject Yellow Line (Washington Metro) E14071 entity
Predicate servesStation P839 FINISHED
Object King Street–Old Town station
King Street–Old Town station is a Washington Metro rail station in Alexandria, Virginia, serving the historic Old Town area and nearby Amtrak and VRE services.
 E149611 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: King Street–Old Town station | Statement: [Yellow Line (Washington Metro), servesStation, King Street–Old Town station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: King Street–Old Town station
Context triple: [Yellow Line (Washington Metro), servesStation, King Street–Old Town station]
  • A. King Street Station
    King Street Station is a historic railway terminal in downtown Seattle, Washington, serving as a major hub for Amtrak and regional rail services.
  • B. Park Street station
    Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
  • C. Embarcadero station
    Embarcadero station is a major San Francisco Bay Area Rapid Transit (BART) and Muni Metro hub located at the eastern edge of downtown near the Ferry Building and the Embarcadero waterfront.
  • D. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • E. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • 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: King Street–Old Town station
Triple: [Yellow Line (Washington Metro), servesStation, King Street–Old Town station]
Generated description
King Street–Old Town station is a Washington Metro rail station in Alexandria, Virginia, serving the historic Old Town area and nearby Amtrak and VRE services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: King Street–Old Town station
Target entity description: King Street–Old Town station is a Washington Metro rail station in Alexandria, Virginia, serving the historic Old Town area and nearby Amtrak and VRE services.
  • A. King Street Station
    King Street Station is a historic railway terminal in downtown Seattle, Washington, serving as a major hub for Amtrak and regional rail services.
  • B. Park Street station
    Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
  • C. Embarcadero station
    Embarcadero station is a major San Francisco Bay Area Rapid Transit (BART) and Muni Metro hub located at the eastern edge of downtown near the Ferry Building and the Embarcadero waterfront.
  • D. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • E. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • 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_69a493494ec48190ae6751683625a9ba completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a544e3608190ac315c7aa9f88e7e completed March 1, 2026, 8:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69acb2ede6208190ba0857f4b0209fcf completed March 7, 2026, 11:21 p.m.
NEDg Description generation batch_69acb6f9ba608190ba1d9180567e31a8 completed March 7, 2026, 11:38 p.m.
NED2 Entity disambiguation (via description) batch_69acb767a8fc8190ba4aee2c8da39480 completed March 7, 2026, 11:40 p.m.
Created at: March 1, 2026, 7:36 p.m.