Triple

T4487994
Position Surface form Disambiguated ID Type / Status
Subject Dorchester, Massachusetts Bay Colony E107294 entity
Predicate hasNotableEarlyInstitution P7636 FINISHED
Object Mather School
Mather School is one of the oldest public elementary schools in the United States, historically serving the Dorchester neighborhood of Boston, Massachusetts.
 E446570 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: Mather School | Statement: [Dorchester, Massachusetts Bay Colony, hasNotableEarlyInstitution, Mather School]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mather School
Context triple: [Dorchester, Massachusetts Bay Colony, hasNotableEarlyInstitution, Mather School]
  • A. Peabody School
    Peabody School is a public elementary school in Cambridge, Massachusetts, serving students within the Cambridge Public Schools district.
  • B. Roxbury Latin School
    Roxbury Latin School is a prestigious all-boys independent college-preparatory school in West Roxbury, Massachusetts, known for its rigorous academics and long-standing history since its founding in 1645.
  • C. Paul Revere Primary School
    Paul Revere Primary School is an elementary-level public school serving young students in the community of Blue Island, Illinois.
  • D. B.M.C. Durfee High School
    B.M.C. Durfee High School is a public high school serving as the primary secondary education institution for students in Fall River, Massachusetts.
  • E. Boston Latin School
    Boston Latin School is the oldest public school in the United States, a prestigious Boston exam school renowned for its rigorous classical curriculum and notable alumni.
  • 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: Mather School
Triple: [Dorchester, Massachusetts Bay Colony, hasNotableEarlyInstitution, Mather School]
Generated description
Mather School is one of the oldest public elementary schools in the United States, historically serving the Dorchester neighborhood of Boston, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mather School
Target entity description: Mather School is one of the oldest public elementary schools in the United States, historically serving the Dorchester neighborhood of Boston, Massachusetts.
  • A. Peabody School
    Peabody School is a public elementary school in Cambridge, Massachusetts, serving students within the Cambridge Public Schools district.
  • B. Roxbury Latin School
    Roxbury Latin School is a prestigious all-boys independent college-preparatory school in West Roxbury, Massachusetts, known for its rigorous academics and long-standing history since its founding in 1645.
  • C. Paul Revere Primary School
    Paul Revere Primary School is an elementary-level public school serving young students in the community of Blue Island, Illinois.
  • D. B.M.C. Durfee High School
    B.M.C. Durfee High School is a public high school serving as the primary secondary education institution for students in Fall River, Massachusetts.
  • E. Boston Latin School
    Boston Latin School is the oldest public school in the United States, a prestigious Boston exam school renowned for its rigorous classical curriculum and notable alumni.
  • 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_69bd43f84f788190a1383579c4a595be completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6231856c8190be9386a0ae15e7cf completed March 20, 2026, 3:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69bd67a31d0c819089954c8af4b1bdd6 completed March 20, 2026, 3:28 p.m.
NEDg Description generation batch_69bd69faac508190863892c9bbdb20b3 completed March 20, 2026, 3:38 p.m.
NED2 Entity disambiguation (via description) batch_69bd6a64c64881909acf1171be426fe4 completed March 20, 2026, 3:40 p.m.
Created at: March 20, 2026, 12:59 p.m.