Triple

T4297376
Position Surface form Disambiguated ID Type / Status
Subject MedStar Health E99746 entity
Predicate operates P24 FINISHED
Object MedStar National Rehabilitation Hospital
MedStar National Rehabilitation Hospital is a specialized medical center in Washington, D.C., focused on comprehensive inpatient and outpatient rehabilitation for patients recovering from disabling injuries and illnesses.
 E444627 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: MedStar National Rehabilitation Hospital | Statement: [MedStar Health, operates, MedStar National Rehabilitation Hospital]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MedStar National Rehabilitation Hospital
Context triple: [MedStar Health, operates, MedStar National Rehabilitation Hospital]
  • A. MedStar St. Mary’s Hospital
    MedStar St. Mary’s Hospital is a community hospital in Southern Maryland that provides a range of acute, emergency, and specialty medical services as part of the MedStar Health system.
  • B. MedStar Washington Hospital Center
    MedStar Washington Hospital Center is a major not-for-profit teaching and research hospital in Washington, D.C., known for its comprehensive tertiary and quaternary care services.
  • C. MedStar Health Performance Center
    MedStar Health Performance Center is a state-of-the-art sports training and practice facility associated with Monumental Sports & Entertainment’s professional teams in Washington, D.C.
  • D. MedStar Health
    MedStar Health is a large not-for-profit healthcare system serving the Maryland–Washington, D.C. region through hospitals, clinics, and a wide range of medical services and research programs.
  • E. MedStar Union Memorial Hospital
    MedStar Union Memorial Hospital is a regional acute-care teaching hospital in Baltimore, Maryland, known for its specialized services in cardiology, orthopedics, and other advanced medical 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: MedStar National Rehabilitation Hospital
Triple: [MedStar Health, operates, MedStar National Rehabilitation Hospital]
Generated description
MedStar National Rehabilitation Hospital is a specialized medical center in Washington, D.C., focused on comprehensive inpatient and outpatient rehabilitation for patients recovering from disabling injuries and illnesses.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MedStar National Rehabilitation Hospital
Target entity description: MedStar National Rehabilitation Hospital is a specialized medical center in Washington, D.C., focused on comprehensive inpatient and outpatient rehabilitation for patients recovering from disabling injuries and illnesses.
  • A. MedStar St. Mary’s Hospital
    MedStar St. Mary’s Hospital is a community hospital in Southern Maryland that provides a range of acute, emergency, and specialty medical services as part of the MedStar Health system.
  • B. MedStar Washington Hospital Center
    MedStar Washington Hospital Center is a major not-for-profit teaching and research hospital in Washington, D.C., known for its comprehensive tertiary and quaternary care services.
  • C. MedStar Health Performance Center
    MedStar Health Performance Center is a state-of-the-art sports training and practice facility associated with Monumental Sports & Entertainment’s professional teams in Washington, D.C.
  • D. MedStar Health
    MedStar Health is a large not-for-profit healthcare system serving the Maryland–Washington, D.C. region through hospitals, clinics, and a wide range of medical services and research programs.
  • E. MedStar Union Memorial Hospital
    MedStar Union Memorial Hospital is a regional acute-care teaching hospital in Baltimore, Maryland, known for its specialized services in cardiology, orthopedics, and other advanced medical care.
  • F. None of above. chosen

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_69b3455175088190aa79c6e03b86647e completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b3509bff808190a86fade7ccfc3611 completed March 12, 2026, 11:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69b65f24783c8190a735629237069a92 completed March 15, 2026, 7:26 a.m.
NEDg Description generation batch_69b6629f40008190aeb62041f60dc188 completed March 15, 2026, 7:41 a.m.
NED2 Entity disambiguation (via description) batch_69b662f8dff48190ab30c045672ad7a9 completed March 15, 2026, 7:42 a.m.
Created at: March 12, 2026, 11:08 p.m.