Triple

T2330703
Position Surface form Disambiguated ID Type / Status
Subject Thomaston, Maine E44194 entity
Predicate hasFormerInstitution P9419 FINISHED
Object Maine State Prison (historic location)
Maine State Prison (historic location) was a long-standing maximum-security correctional facility in Thomaston, Maine, that operated from the early 19th century until its closure and replacement by a new prison in Warren.
 E256037 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: Maine State Prison (historic location) | Statement: [Thomaston, Maine, hasFormerInstitution, Maine State Prison (historic location)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Maine State Prison (historic location)
Context triple: [Thomaston, Maine, hasFormerInstitution, Maine State Prison (historic location)]
  • A. Maine Department of Corrections
    The Maine Department of Corrections is the state agency responsible for overseeing adult and juvenile correctional facilities, probation, and parole services throughout Maine.
  • B. Massachusetts Correctional Institution – Plymouth
    Massachusetts Correctional Institution – Plymouth is a minimum-security state prison and pre-release facility for men located in Plymouth, Massachusetts.
  • C. Maine State Museum
    The Maine State Museum is the official state museum of Maine, showcasing the state's natural history, cultural heritage, and industrial past through extensive exhibits and collections.
  • D. Massachusetts Correctional Institution – Bridgewater
    Massachusetts Correctional Institution – Bridgewater is a medium-security state prison and treatment facility for male offenders located in Bridgewater, near Brockton, Massachusetts.
  • E. Massachusetts Correctional Institution – Shirley
    Massachusetts Correctional Institution – Shirley is a medium- and minimum-security state prison complex for men located in Shirley, Massachusetts.
  • 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: Maine State Prison (historic location)
Triple: [Thomaston, Maine, hasFormerInstitution, Maine State Prison (historic location)]
Generated description
Maine State Prison (historic location) was a long-standing maximum-security correctional facility in Thomaston, Maine, that operated from the early 19th century until its closure and replacement by a new prison in Warren.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Maine State Prison (historic location)
Target entity description: Maine State Prison (historic location) was a long-standing maximum-security correctional facility in Thomaston, Maine, that operated from the early 19th century until its closure and replacement by a new prison in Warren.
  • A. Maine Department of Corrections
    The Maine Department of Corrections is the state agency responsible for overseeing adult and juvenile correctional facilities, probation, and parole services throughout Maine.
  • B. Massachusetts Correctional Institution – Plymouth
    Massachusetts Correctional Institution – Plymouth is a minimum-security state prison and pre-release facility for men located in Plymouth, Massachusetts.
  • C. Maine State Museum
    The Maine State Museum is the official state museum of Maine, showcasing the state's natural history, cultural heritage, and industrial past through extensive exhibits and collections.
  • D. Massachusetts Correctional Institution – Bridgewater
    Massachusetts Correctional Institution – Bridgewater is a medium-security state prison and treatment facility for male offenders located in Bridgewater, near Brockton, Massachusetts.
  • E. Massachusetts Correctional Institution – Shirley
    Massachusetts Correctional Institution – Shirley is a medium- and minimum-security state prison complex for men located in Shirley, Massachusetts.
  • 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_69a889132b488190bbb43ad4780ddd92 completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abc669956881908b8d9784d6a06acf completed March 7, 2026, 6:32 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae8974ab8c81908ec2bddcc882cf42 completed March 9, 2026, 8:48 a.m.
NEDg Description generation batch_69ae8a084b388190a6d79df8d94b236d completed March 9, 2026, 8:51 a.m.
NED2 Entity disambiguation (via description) batch_69ae8a895b6c8190bfd064742e3cc4f8 completed March 9, 2026, 8:53 a.m.
Created at: March 4, 2026, 7:51 p.m.