Triple

T3808648
Position Surface form Disambiguated ID Type / Status
Subject Charles J. Guiteau E93073 entity
Predicate placeOfCrime P45967 FINISHED
Object Baltimore and Potomac Railroad Station, Washington, D.C.
The Baltimore and Potomac Railroad Station in Washington, D.C., was a 19th-century train depot best known as the site of President James A. Garfield’s assassination in 1881.
E391697 NE FINISHED

How this triple was built (5 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: Baltimore and Potomac Railroad Station, Washington, D.C. | Statement: [Charles J. Guiteau, placeOfCrime, Baltimore and Potomac Railroad Station, Washington, D.C.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Baltimore and Potomac Railroad Station, Washington, D.C.
Context triple: [Charles J. Guiteau, placeOfCrime, Baltimore and Potomac Railroad Station, Washington, D.C.]
  • A. Anacostia station
    Anacostia station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Anacostia neighborhood.
  • B. Arlington station
    Arlington station is an underground light rail stop on Boston's MBTA Green Line located near the Back Bay and Boston Public Garden.
  • C. Union Station (Washington Metro)
    Union Station is a major Washington Metro station in Washington, D.C., serving as a key transit hub connected to the historic Union Station rail terminal and multiple local and regional transportation services.
  • D. Union Station (Baltimore)
    Union Station (Baltimore) was an earlier major railroad terminal in Baltimore that served as the city's primary passenger rail hub before being superseded by Pennsylvania Station.
  • E. Farragut North station
    Farragut North station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the Red Line near Farragut Square.
  • 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: Baltimore and Potomac Railroad Station, Washington, D.C.
Triple: [Charles J. Guiteau, placeOfCrime, Baltimore and Potomac Railroad Station, Washington, D.C.]
Generated description
The Baltimore and Potomac Railroad Station in Washington, D.C., was a 19th-century train depot best known as the site of President James A. Garfield’s assassination in 1881.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Baltimore and Potomac Railroad Station, Washington, D.C.
Target entity description: The Baltimore and Potomac Railroad Station in Washington, D.C., was a 19th-century train depot best known as the site of President James A. Garfield’s assassination in 1881.
  • A. Anacostia station
    Anacostia station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Anacostia neighborhood.
  • B. Arlington station
    Arlington station is an underground light rail stop on Boston's MBTA Green Line located near the Back Bay and Boston Public Garden.
  • C. Union Station (Washington Metro)
    Union Station is a major Washington Metro station in Washington, D.C., serving as a key transit hub connected to the historic Union Station rail terminal and multiple local and regional transportation services.
  • D. Union Station (Baltimore)
    Union Station (Baltimore) was an earlier major railroad terminal in Baltimore that served as the city's primary passenger rail hub before being superseded by Pennsylvania Station.
  • E. Farragut North station
    Farragut North station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the Red Line near Farragut Square.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: placeOfCrime
Context triple: [Charles J. Guiteau, placeOfCrime, Baltimore and Potomac Railroad Station, Washington, D.C.]
  • A. positionOnCrime
    Indicates a stance, opinion, or policy position that an entity holds regarding crime or crime-related issues.
  • B. regionOfCrimes chosen
    Indicates the geographic area or jurisdiction in which the crimes occurred or are attributed to an entity.
  • C. crimeType
    Indicates the specific category or nature of the crime associated with an event or entity.
  • D. committedCrime
    Indicates that an entity has carried out or been responsible for a criminal act or offense.
  • E. placeOfConviction
    Indicates the location where a person was formally convicted of a crime or offense.
  • F. None of above.

Provenance (6 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_69aed96a60088190ab1df8390fffc935 completed March 9, 2026, 2:30 p.m.
NER Named-entity recognition batch_69aee8db8a288190afd1e3b9dcf02e97 completed March 9, 2026, 3:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4fb30a61c819096325d7f11d22f89 completed March 14, 2026, 6:07 a.m.
NEDg Description generation batch_69b4fbd93b1481909f89d807ef870aa7 completed March 14, 2026, 6:10 a.m.
NED2 Entity disambiguation (via description) batch_69b4ffc51bc08190aef4548a351b5604 completed March 14, 2026, 6:27 a.m.
PD Predicate disambiguation batch_69aee7461abc8190945716f4b93e1a18 completed March 9, 2026, 3:29 p.m.
Created at: March 9, 2026, 3:16 p.m.