Triple

T38464
Position Surface form Disambiguated ID Type / Status
Subject MBTA Red Line E761 entity
Predicate servesStation P839 FINISHED
Object Savin Hill
Savin Hill is a neighborhood in Dorchester, Boston, known for its residential character, historic homes, and proximity to a namesake MBTA rapid transit station.
 E36089 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: Savin Hill | Statement: [MBTA Red Line, servesStation, Savin Hill]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Savin Hill
Context triple: [MBTA Red Line, servesStation, Savin Hill]
  • A. Mission Hill
    Mission Hill is a residential Boston neighborhood known for its historic brick rowhouses, hilly streets, and proximity to major medical and academic institutions.
  • B. Beacon Hill
    Beacon Hill is a historic, affluent Boston neighborhood known for its Federal-style rowhouses, narrow gas-lit streets, and role as a center of state government and early American history.
  • C. Allston
    Allston is a Boston neighborhood located across the Charles River from Harvard’s main campus, known for its mix of students, residential areas, and commercial spaces.
  • D. Chilmark
    Chilmark is a small, rural town on the island of Martha’s Vineyard in Massachusetts, known for its scenic landscapes, stone walls, and fishing village of Menemsha.
  • E. Oak Hill, Newton
    Oak Hill is a residential neighborhood in the southern part of Newton, Massachusetts, known for its suburban character and proximity to local schools and parks.
  • 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: Savin Hill
Triple: [MBTA Red Line, servesStation, Savin Hill]
Generated description
Savin Hill is a neighborhood in Dorchester, Boston, known for its residential character, historic homes, and proximity to a namesake MBTA rapid transit station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Savin Hill
Target entity description: Savin Hill is a neighborhood in Dorchester, Boston, known for its residential character, historic homes, and proximity to a namesake MBTA rapid transit station.
  • A. Mission Hill
    Mission Hill is a residential Boston neighborhood known for its historic brick rowhouses, hilly streets, and proximity to major medical and academic institutions.
  • B. Beacon Hill
    Beacon Hill is a historic, affluent Boston neighborhood known for its Federal-style rowhouses, narrow gas-lit streets, and role as a center of state government and early American history.
  • C. Allston
    Allston is a Boston neighborhood located across the Charles River from Harvard’s main campus, known for its mix of students, residential areas, and commercial spaces.
  • D. Chilmark
    Chilmark is a small, rural town on the island of Martha’s Vineyard in Massachusetts, known for its scenic landscapes, stone walls, and fishing village of Menemsha.
  • E. Oak Hill, Newton
    Oak Hill is a residential neighborhood in the southern part of Newton, Massachusetts, known for its suburban character and proximity to local schools and parks.
  • 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_69a3949ab3e08190ac62002644f514c0 completed March 1, 2026, 1:21 a.m.
NEDg Description generation batch_69a395084bf48190acbff2afc1c9a76a completed March 1, 2026, 1:23 a.m.
NED2 Entity disambiguation (via description) batch_69a3955a4a388190ba06878daea4c9fe completed March 1, 2026, 1:24 a.m.
Created at: Feb. 28, 2026, 1:46 a.m.