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was an earlier major railroad terminal in Baltimore that served as the city's primary passenger rail hub before being superseded by Pennsylvania Station.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.