Triple

T580062
Position Surface form Disambiguated ID Type / Status
Subject Katharine Hepburn E15036 entity
Predicate placeOfDeath P21 FINISHED
Object Old Saybrook, Connecticut, United States
Old Saybrook, Connecticut, United States, is a historic coastal town at the mouth of the Connecticut River known for its maritime heritage and as the longtime home of actress Katharine Hepburn.
 E72146 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: Old Saybrook, Connecticut, United States | Statement: [Katharine Hepburn, placeOfDeath, Old Saybrook, Connecticut, United States]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Old Saybrook, Connecticut, United States
Context triple: [Katharine Hepburn, placeOfDeath, Old Saybrook, Connecticut, United States]
  • A. Norwich, Connecticut
    Norwich, Connecticut is a historic city in eastern Connecticut known for its colonial-era significance, including early Revolutionary War activity and industrial development.
  • B. Easton, Connecticut
    Easton, Connecticut is a small, rural town in Fairfield County known for its reservoirs, open space, and strict zoning that preserves its country character.
  • C. Meriden, Connecticut, United States
    Meriden, Connecticut, United States is a mid-sized New England city known historically for its silver manufacturing industry and location between New Haven and Hartford.
  • D. Weston, Connecticut
    Weston, Connecticut is a small, affluent suburban town in Fairfield County known for its rural character, excellent public schools, and extensive preserved open space.
  • E. Hartford, Connecticut, United States
    Hartford is the capital city of the U.S. state of Connecticut, known historically as a major center of the insurance industry and American literature.
  • 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: Old Saybrook, Connecticut, United States
Triple: [Katharine Hepburn, placeOfDeath, Old Saybrook, Connecticut, United States]
Generated description
Old Saybrook, Connecticut, United States, is a historic coastal town at the mouth of the Connecticut River known for its maritime heritage and as the longtime home of actress Katharine Hepburn.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Old Saybrook, Connecticut, United States
Target entity description: Old Saybrook, Connecticut, United States, is a historic coastal town at the mouth of the Connecticut River known for its maritime heritage and as the longtime home of actress Katharine Hepburn.
  • A. Norwich, Connecticut
    Norwich, Connecticut is a historic city in eastern Connecticut known for its colonial-era significance, including early Revolutionary War activity and industrial development.
  • B. Easton, Connecticut
    Easton, Connecticut is a small, rural town in Fairfield County known for its reservoirs, open space, and strict zoning that preserves its country character.
  • C. Meriden, Connecticut, United States
    Meriden, Connecticut, United States is a mid-sized New England city known historically for its silver manufacturing industry and location between New Haven and Hartford.
  • D. Weston, Connecticut
    Weston, Connecticut is a small, affluent suburban town in Fairfield County known for its rural character, excellent public schools, and extensive preserved open space.
  • E. Hartford, Connecticut, United States
    Hartford is the capital city of the U.S. state of Connecticut, known historically as a major center of the insurance industry and American literature.
  • 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_69a4935783b8819082b77726ec10cc42 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a49b82b5248190ac863407e8207a3b completed March 1, 2026, 8:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69a501c1b8448190847197d984f211c3 completed March 2, 2026, 3:19 a.m.
NEDg Description generation batch_69a503b5bae48190b5fb937cfd2fb661 completed March 2, 2026, 3:27 a.m.
NED2 Entity disambiguation (via description) batch_69a5040d2b888190afc18775b4702527 completed March 2, 2026, 3:29 a.m.
Created at: March 1, 2026, 7:33 p.m.