Triple

T38452
Position Surface form Disambiguated ID Type / Status
Subject MBTA Red Line E761 entity
Predicate servesStation P839 FINISHED
Object Charles/MGH
Charles/MGH is an elevated Massachusetts Bay Transportation Authority subway station in Boston located near Massachusetts General Hospital and the Charles River.
E5258 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: Charles/MGH | Statement: [MBTA Red Line, servesStation, Charles/MGH]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Charles/MGH
Context triple: [MBTA Red Line, servesStation, Charles/MGH]
  • A. Newton-Wellesley Hospital
    Newton-Wellesley Hospital is a community teaching hospital serving the Greater Boston area with a range of medical and surgical services.
  • B. Thomas Harvard
    Thomas Harvard was a 17th-century Englishman known primarily as the brother of John Harvard, the clergyman and benefactor after whom Harvard University is named.
  • C. CHOP
    CHOP is a leading pediatric hospital and research institution in Philadelphia renowned for its specialized care for children and groundbreaking medical research.
  • D. Carl
    Carl is the given name of Carl Sagan, the renowned American astronomer, science communicator, and author.
  • E. Increase Mather
    Increase Mather was a prominent 17th-century New England Puritan minister and political leader who played a major role in colonial religious life and governance, including efforts to curb the excesses of the Salem witch trials.
  • 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: Charles/MGH
Triple: [MBTA Red Line, servesStation, Charles/MGH]
Generated description
Charles/MGH is an elevated Massachusetts Bay Transportation Authority subway station in Boston located near Massachusetts General Hospital and the Charles River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Charles/MGH
Target entity description: Charles/MGH is an elevated Massachusetts Bay Transportation Authority subway station in Boston located near Massachusetts General Hospital and the Charles River.
  • A. Newton-Wellesley Hospital
    Newton-Wellesley Hospital is a community teaching hospital serving the Greater Boston area with a range of medical and surgical services.
  • B. Thomas Harvard
    Thomas Harvard was a 17th-century Englishman known primarily as the brother of John Harvard, the clergyman and benefactor after whom Harvard University is named.
  • C. CHOP
    CHOP is a leading pediatric hospital and research institution in Philadelphia renowned for its specialized care for children and groundbreaking medical research.
  • D. Carl
    Carl is the given name of Carl Sagan, the renowned American astronomer, science communicator, and author.
  • E. Increase Mather
    Increase Mather was a prominent 17th-century New England Puritan minister and political leader who played a major role in colonial religious life and governance, including efforts to curb the excesses of the Salem witch trials.
  • 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_69a247a8f6c08190bac804906d62ed5a completed Feb. 28, 2026, 1:40 a.m.
NER Named-entity recognition batch_69a24ec1ef5481909daf99654dfa3f57 completed Feb. 28, 2026, 2:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69a255322d048190b3a45c6c6a80230c completed Feb. 28, 2026, 2:38 a.m.
NEDg Description generation batch_69a255ee9c1c8190a9d1db89af34fbaf completed Feb. 28, 2026, 2:41 a.m.
NED2 Entity disambiguation (via description) batch_69a256a35c3081908aa5522c734bd54d completed Feb. 28, 2026, 2:44 a.m.
Created at: Feb. 28, 2026, 1:46 a.m.