Triple

T4026168
Position Surface form Disambiguated ID Type / Status
Subject Mark Twain’s Hannibal E83594 entity
Predicate hasAttraction P105 FINISHED
Object Mark Twain Memorial Lighthouse
The Mark Twain Memorial Lighthouse is a historic beacon in Hannibal, Missouri, commemorating author Mark Twain and overlooking the Mississippi River and the town that inspired many of his works.
E409227 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: Mark Twain Memorial Lighthouse | Statement: [Mark Twain’s Hannibal, hasAttraction, Mark Twain Memorial Lighthouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mark Twain Memorial Lighthouse
Context triple: [Mark Twain’s Hannibal, hasAttraction, Mark Twain Memorial Lighthouse]
  • A. Point Wilson Lighthouse
    Point Wilson Lighthouse is a historic navigational beacon located at the entrance to Puget Sound near Port Townsend, Washington.
  • B. Jones Point Lighthouse
    Jones Point Lighthouse is a historic 19th-century river lighthouse located on the Potomac River near Alexandria, Virginia, notable as one of the last remaining riverine lighthouses in the United States.
  • C. Lorain Lighthouse
    Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
  • D. Old Mission Point Lighthouse
    Old Mission Point Lighthouse is a historic 19th-century lighthouse located at the tip of Michigan’s Old Mission Peninsula, known for its picturesque setting and role in guiding ships on Grand Traverse Bay.
  • E. Wind Point Lighthouse
    Wind Point Lighthouse is a historic 19th-century lighthouse on Lake Michigan in Wisconsin, known as one of the oldest and tallest active lighthouses on the Great Lakes.
  • 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: Mark Twain Memorial Lighthouse
Triple: [Mark Twain’s Hannibal, hasAttraction, Mark Twain Memorial Lighthouse]
Generated description
The Mark Twain Memorial Lighthouse is a historic beacon in Hannibal, Missouri, commemorating author Mark Twain and overlooking the Mississippi River and the town that inspired many of his works.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mark Twain Memorial Lighthouse
Target entity description: The Mark Twain Memorial Lighthouse is a historic beacon in Hannibal, Missouri, commemorating author Mark Twain and overlooking the Mississippi River and the town that inspired many of his works.
  • A. Point Wilson Lighthouse
    Point Wilson Lighthouse is a historic navigational beacon located at the entrance to Puget Sound near Port Townsend, Washington.
  • B. Jones Point Lighthouse
    Jones Point Lighthouse is a historic 19th-century river lighthouse located on the Potomac River near Alexandria, Virginia, notable as one of the last remaining riverine lighthouses in the United States.
  • C. Lorain Lighthouse
    Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
  • D. Old Mission Point Lighthouse
    Old Mission Point Lighthouse is a historic 19th-century lighthouse located at the tip of Michigan’s Old Mission Peninsula, known for its picturesque setting and role in guiding ships on Grand Traverse Bay.
  • E. Wind Point Lighthouse
    Wind Point Lighthouse is a historic 19th-century lighthouse on Lake Michigan in Wisconsin, known as one of the oldest and tallest active lighthouses on the Great Lakes.
  • 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_69aed92e29ac819080f7a98b594fec05 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefaed37e48190844032e7e77163e0 completed March 9, 2026, 4:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5562f3fd881909975cb85143ad466 completed March 14, 2026, 12:35 p.m.
NEDg Description generation batch_69b55a3d0f3c8190942f8b93129310a9 completed March 14, 2026, 12:53 p.m.
NED2 Entity disambiguation (via description) batch_69b55a9ec7e88190bc5d165fd666f4b3 completed March 14, 2026, 12:54 p.m.
Created at: March 9, 2026, 3:36 p.m.