Triple

T141566
Position Surface form Disambiguated ID Type / Status
Subject Longfellow House–Washington's Headquarters National Historic Site E2861 entity
Predicate preserves P1040 FINISHED
Object George Washington's Cambridge headquarters E2861 NE FINISHED

How this triple was built (2 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: George Washington's Cambridge headquarters | Statement: [Longfellow House–Washington's Headquarters National Historic Site, preserves, George Washington's Cambridge headquarters]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: George Washington's Cambridge headquarters
Context triple: [Longfellow House–Washington's Headquarters National Historic Site, preserves, George Washington's Cambridge headquarters]
  • A. Longfellow House–Washington's Headquarters National Historic Site chosen
    Longfellow House–Washington's Headquarters National Historic Site is a historic house in Cambridge, Massachusetts, that served both as George Washington’s Revolutionary War headquarters and later as the home of poet Henry Wadsworth Longfellow.
  • B. Mount Vernon, Virginia
    Mount Vernon, Virginia is a historic estate along the Potomac River best known as George Washington’s longtime plantation home and burial site.
  • C. Buckman Tavern
    Buckman Tavern is a historic 18th-century inn in Lexington, Massachusetts, best known as a gathering place for colonial militiamen at the outset of the American Revolutionary War.
  • D. Valley Forge winter encampment
    The Valley Forge winter encampment was the harsh 1777–1778 winter quarters of the Continental Army where, despite severe hardship, it underwent crucial training and emerged as a more disciplined and effective fighting force during the American Revolutionary War.
  • E. Betsy Ross House
    The Betsy Ross House is a historic museum in Philadelphia traditionally regarded as the home of Betsy Ross, who is credited with sewing one of the first American flags.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69a2521e35c08190b28e5c9f1e3c9b59 completed Feb. 28, 2026, 2:25 a.m.
NER Named-entity recognition batch_69a257c7e79c8190b3e5a2983035a972 completed Feb. 28, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2bf691a848190a4f6e40d9aea2168 completed Feb. 28, 2026, 10:11 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.