Triple

T2291937
Position Surface form Disambiguated ID Type / Status
Subject Boston Medical Center E51523 entity
Predicate formedByMergerOf P77 FINISHED
Object Boston City Hospital
Boston City Hospital was a major public teaching hospital in Boston that served as the city’s primary municipal medical facility before its merger into Boston Medical Center.
E51523 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: Boston City Hospital | Statement: [Boston Medical Center, formedByMergerOf, Boston City Hospital]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Boston City Hospital
Context triple: [Boston Medical Center, formedByMergerOf, Boston City Hospital]
  • A. Phoebe Putney Memorial Hospital
    Phoebe Putney Memorial Hospital is a major regional medical center and teaching hospital serving Albany, Georgia and the surrounding Southwest Georgia area.
  • B. St. Elizabeth's Medical Center
    St. Elizabeth's Medical Center is a major teaching hospital in Boston, Massachusetts, known for providing comprehensive medical care and serving as a clinical training site for medical students and residents.
  • C. Boston Medical Center
    Boston Medical Center is a major academic medical center and safety-net hospital in Boston known for providing comprehensive care and serving a large underserved population.
  • D. Middlesex Hospital
    Middlesex Hospital was a major London teaching hospital historically known for its medical education and care before its closure in the late 20th century.
  • E. New England Baptist Hospital
    New England Baptist Hospital is a specialized medical center in Boston, Massachusetts, renowned for its expertise in orthopedic surgery and musculoskeletal care.
  • 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: Boston City Hospital
Triple: [Boston Medical Center, formedByMergerOf, Boston City Hospital]
Generated description
Boston City Hospital was a major public teaching hospital in Boston that served as the city’s primary municipal medical facility before its merger into Boston Medical Center.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Boston City Hospital
Target entity description: Boston City Hospital was a major public teaching hospital in Boston that served as the city’s primary municipal medical facility before its merger into Boston Medical Center.
  • A. Phoebe Putney Memorial Hospital
    Phoebe Putney Memorial Hospital is a major regional medical center and teaching hospital serving Albany, Georgia and the surrounding Southwest Georgia area.
  • B. St. Elizabeth's Medical Center
    St. Elizabeth's Medical Center is a major teaching hospital in Boston, Massachusetts, known for providing comprehensive medical care and serving as a clinical training site for medical students and residents.
  • C. Boston Medical Center chosen
    Boston Medical Center is a major academic medical center and safety-net hospital in Boston known for providing comprehensive care and serving a large underserved population.
  • D. Middlesex Hospital
    Middlesex Hospital was a major London teaching hospital historically known for its medical education and care before its closure in the late 20th century.
  • E. New England Baptist Hospital
    New England Baptist Hospital is a specialized medical center in Boston, Massachusetts, renowned for its expertise in orthopedic surgery and musculoskeletal care.
  • F. None of above.

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_69a88b09c644819090b503456d96bf70 completed March 4, 2026, 7:42 p.m.
NER Named-entity recognition batch_69abc5b50df481908a3d8f71d245e8fa completed March 7, 2026, 6:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae96080548819098ae6c5ab73036f2 completed March 9, 2026, 9:42 a.m.
NEDg Description generation batch_69ae96d95c648190bca59f97c01e59fc completed March 9, 2026, 9:46 a.m.
NED2 Entity disambiguation (via description) batch_69ae974d062c819091459361f519ee3e completed March 9, 2026, 9:47 a.m.
Created at: March 4, 2026, 7:48 p.m.