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.