Triple
T130916
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Letter from Birmingham Jail |
E2651
|
entity |
| Predicate | placeWritten |
P1144
|
FINISHED |
| Object |
Birmingham city jail
Birmingham city jail is the Alabama detention facility where Martin Luther King Jr. was incarcerated in 1963 and wrote his influential "Letter from Birmingham Jail" during the civil rights movement.
|
E15608
|
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: Birmingham city jail | Statement: [Letter from Birmingham Jail, placeWritten, Birmingham city jail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Birmingham city jail Context triple: [Letter from Birmingham Jail, placeWritten, Birmingham city jail]
-
A.
Attica
Attica is a historical region of central Greece that includes the capital city of Athens and has been a core center of Greek civilization since antiquity.
-
B.
Birmingham Civil Rights Institute
The Birmingham Civil Rights Institute is a cultural and educational center and museum that documents and interprets the history and legacy of the Civil Rights Movement in the United States, with a particular focus on Birmingham’s pivotal role.
-
C.
Eastern State Penitentiary
Eastern State Penitentiary is a historic former prison in Philadelphia, Pennsylvania, renowned for its revolutionary radial design and as one of the most famous and expensive prisons of the 19th century.
-
D.
Suitland Federal Center
Suitland Federal Center is a major U.S. federal office complex in Suitland, Maryland, that houses several government agencies and serves as a key hub for federal statistical and intelligence operations.
-
E.
Rikers Island
Rikers Island is a large New York City jail complex located in the East River between Queens and the Bronx, known for housing thousands of detainees and for its troubled history of violence and poor conditions.
- 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: Birmingham city jail Triple: [Letter from Birmingham Jail, placeWritten, Birmingham city jail]
Generated description
Birmingham city jail is the Alabama detention facility where Martin Luther King Jr. was incarcerated in 1963 and wrote his influential "Letter from Birmingham Jail" during the civil rights movement.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Birmingham city jail Target entity description: Birmingham city jail is the Alabama detention facility where Martin Luther King Jr. was incarcerated in 1963 and wrote his influential "Letter from Birmingham Jail" during the civil rights movement.
-
A.
Attica
Attica is a historical region of central Greece that includes the capital city of Athens and has been a core center of Greek civilization since antiquity.
-
B.
Birmingham Civil Rights Institute
The Birmingham Civil Rights Institute is a cultural and educational center and museum that documents and interprets the history and legacy of the Civil Rights Movement in the United States, with a particular focus on Birmingham’s pivotal role.
-
C.
Eastern State Penitentiary
Eastern State Penitentiary is a historic former prison in Philadelphia, Pennsylvania, renowned for its revolutionary radial design and as one of the most famous and expensive prisons of the 19th century.
-
D.
Suitland Federal Center
Suitland Federal Center is a major U.S. federal office complex in Suitland, Maryland, that houses several government agencies and serves as a key hub for federal statistical and intelligence operations.
-
E.
Rikers Island
Rikers Island is a large New York City jail complex located in the East River between Queens and the Bronx, known for housing thousands of detainees and for its troubled history of violence and poor conditions.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: placeWritten Context triple: [Letter from Birmingham Jail, placeWritten, Birmingham city jail]
-
A.
writtenAtLocation
chosen
Indicates that an act of writing occurred at a specific physical or geographical location.
-
B.
placeSigned
Indicates that an entity has signed or endorsed a document, agreement, or item at a particular place or location.
-
C.
wrote
Indicates that an entity is the author or creator of a written work involving another entity.
-
D.
postTown
Indicates the town or locality that serves as the postal address destination for a given address or location.
-
E.
locatedIn
Indicates that one entity exists or is situated within the spatial, administrative, or conceptual boundaries of another entity.
- 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_69a2520c0f3481908b0ed054a2fca8d0 |
completed | Feb. 28, 2026, 2:25 a.m. |
| NER | Named-entity recognition | batch_69a25855baf48190a1b63f2e5865d957 |
completed | Feb. 28, 2026, 2:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2b01814e88190a21f98527b8f9420 |
completed | Feb. 28, 2026, 9:06 a.m. |
| NEDg | Description generation | batch_69a2b0820abc8190b495c6347c989882 |
completed | Feb. 28, 2026, 9:08 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2b0db1180819096f569241e07de3b |
completed | Feb. 28, 2026, 9:09 a.m. |
| PD | Predicate disambiguation | batch_69a2564edb488190974dc00eb9ac37d9 |
completed | Feb. 28, 2026, 2:43 a.m. |
Created at: Feb. 28, 2026, 2:30 a.m.