Triple

T7772792
Position Surface form Disambiguated ID Type / Status
Subject K Street NW E179112 entity
Predicate hasPublicTransitAccessVia P3791 FINISHED
Object McPherson Square station (nearby on Blue/Orange/Silver Lines)
McPherson Square station is a Washington Metro station in downtown D.C. served by the Blue, Orange, and Silver Lines, providing access to major commercial and government areas near the White House.
E687737 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: McPherson Square station (nearby on Blue/Orange/Silver Lines) | Statement: [K Street NW, hasPublicTransitAccessVia, McPherson Square station (nearby on Blue/Orange/Silver Lines)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: McPherson Square station (nearby on Blue/Orange/Silver Lines)
Context triple: [K Street NW, hasPublicTransitAccessVia, McPherson Square station (nearby on Blue/Orange/Silver Lines)]
  • A. Washington Metro Silver Line (nearby stations)
    The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
  • B. Benning Road Metro station (Blue and Silver Lines)
    Benning Road Metro station is an elevated Washington Metro station in Northeast Washington, D.C., served by the Blue and Silver Lines and providing access to nearby residential neighborhoods such as River Terrace.
  • C. Kenmore station on MBTA Green Line (nearby)
    Kenmore station on the MBTA Green Line is a major Boston transit hub near Fenway Park that serves multiple Green Line branches and connects riders to surrounding neighborhoods and commuter rail stations.
  • D. MBTA Green Line D branch (nearby stations)
    The MBTA Green Line D branch is a light rail line in Greater Boston that runs between downtown Boston and several western suburbs, including Newton, providing frequent local transit service.
  • E. Washington Metro Orange Line stations
    Washington Metro Orange Line stations are the network of rapid transit stops in the Washington, D.C. area served by the system’s Orange Line, connecting key downtown, suburban, and regional destinations.
  • 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: McPherson Square station (nearby on Blue/Orange/Silver Lines)
Triple: [K Street NW, hasPublicTransitAccessVia, McPherson Square station (nearby on Blue/Orange/Silver Lines)]
Generated description
McPherson Square station is a Washington Metro station in downtown D.C. served by the Blue, Orange, and Silver Lines, providing access to major commercial and government areas near the White House.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: McPherson Square station (nearby on Blue/Orange/Silver Lines)
Target entity description: McPherson Square station is a Washington Metro station in downtown D.C. served by the Blue, Orange, and Silver Lines, providing access to major commercial and government areas near the White House.
  • A. Washington Metro Silver Line (nearby stations)
    The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
  • B. Benning Road Metro station (Blue and Silver Lines)
    Benning Road Metro station is an elevated Washington Metro station in Northeast Washington, D.C., served by the Blue and Silver Lines and providing access to nearby residential neighborhoods such as River Terrace.
  • C. Kenmore station on MBTA Green Line (nearby)
    Kenmore station on the MBTA Green Line is a major Boston transit hub near Fenway Park that serves multiple Green Line branches and connects riders to surrounding neighborhoods and commuter rail stations.
  • D. MBTA Green Line D branch (nearby stations)
    The MBTA Green Line D branch is a light rail line in Greater Boston that runs between downtown Boston and several western suburbs, including Newton, providing frequent local transit service.
  • E. Washington Metro Orange Line stations
    Washington Metro Orange Line stations are the network of rapid transit stops in the Washington, D.C. area served by the system’s Orange Line, connecting key downtown, suburban, and regional destinations.
  • 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_69c69f30602c819082ab52cd4af5c592 completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c708b13c688190839c920ec196cada completed March 27, 2026, 10:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8c7ee407881908e591d216c504b24 completed March 29, 2026, 6:34 a.m.
NEDg Description generation batch_69c8c8b84f88819086ecd371b62e2b5b completed March 29, 2026, 6:37 a.m.
NED2 Entity disambiguation (via description) batch_69c8c917a1308190ab2c8e70d6ed8c0e completed March 29, 2026, 6:39 a.m.
Created at: March 27, 2026, 4:11 p.m.