Triple

T1596073
Position Surface form Disambiguated ID Type / Status
Subject Charles River Reservation E34285 entity
Predicate formerOperator P179 FINISHED
Object Metropolitan District Commission
The Metropolitan District Commission was a Massachusetts state agency responsible for managing parks, reservations, and water resources in the Greater Boston area before its functions were absorbed by successor agencies.
E181530 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: Metropolitan District Commission | Statement: [Charles River Reservation, formerOperator, Metropolitan District Commission]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metropolitan District Commission
Context triple: [Charles River Reservation, formerOperator, Metropolitan District Commission]
  • A. Metropolitan Council
    The Metropolitan Council is a regional governmental agency that plans and coordinates transit, housing, wastewater, and land use services for the Minneapolis–Saint Paul metropolitan area in Minnesota.
  • B. Metropolitan Housing and Redevelopment Authority
    The Metropolitan Housing and Redevelopment Authority is a regional public agency that develops, manages, and supports affordable housing and community redevelopment initiatives in the Minneapolis–Saint Paul metropolitan area.
  • C. Metropolitan Transportation Commission
    The Metropolitan Transportation Commission is the regional planning, financing, and coordinating agency for transportation in the nine-county San Francisco Bay Area.
  • D. Corporation of London
    The Corporation of London, formally known as the City of London Corporation, is the historic municipal governing body responsible for administering the City of London financial district and its local services.
  • E. Boston Borough Council
    Boston Borough Council is the local government authority responsible for providing municipal services and administration for the Borough of Boston in Lincolnshire, England.
  • 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: Metropolitan District Commission
Triple: [Charles River Reservation, formerOperator, Metropolitan District Commission]
Generated description
The Metropolitan District Commission was a Massachusetts state agency responsible for managing parks, reservations, and water resources in the Greater Boston area before its functions were absorbed by successor agencies.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metropolitan District Commission
Target entity description: The Metropolitan District Commission was a Massachusetts state agency responsible for managing parks, reservations, and water resources in the Greater Boston area before its functions were absorbed by successor agencies.
  • A. Metropolitan Council
    The Metropolitan Council is a regional governmental agency that plans and coordinates transit, housing, wastewater, and land use services for the Minneapolis–Saint Paul metropolitan area in Minnesota.
  • B. Metropolitan Housing and Redevelopment Authority
    The Metropolitan Housing and Redevelopment Authority is a regional public agency that develops, manages, and supports affordable housing and community redevelopment initiatives in the Minneapolis–Saint Paul metropolitan area.
  • C. Metropolitan Transportation Commission
    The Metropolitan Transportation Commission is the regional planning, financing, and coordinating agency for transportation in the nine-county San Francisco Bay Area.
  • D. Corporation of London
    The Corporation of London, formally known as the City of London Corporation, is the historic municipal governing body responsible for administering the City of London financial district and its local services.
  • E. Boston Borough Council
    Boston Borough Council is the local government authority responsible for providing municipal services and administration for the Borough of Boston in Lincolnshire, England.
  • 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_69a885fdcb9c819081ce6f0b8cd477dd completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9092ccb388190b2f3ed86b3853651 completed March 5, 2026, 4:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad46a848ec819085c82be8eaea2044 completed March 8, 2026, 9:51 a.m.
NEDg Description generation batch_69ad4841d278819085507528faeaae3e completed March 8, 2026, 9:58 a.m.
NED2 Entity disambiguation (via description) batch_69ad48ff11d881909fd6e9e40d5f1f38 completed March 8, 2026, 10:01 a.m.
Created at: March 4, 2026, 7:27 p.m.