Triple

T8542944
Position Surface form Disambiguated ID Type / Status
Subject Palmetto E202240 entity
Predicate operatesOnRouteSection P83224 FINISHED
Object Washington, D.C.–Richmond, Virginia
Washington, D.C.–Richmond, Virginia refers to the busy intercity rail corridor segment in the eastern United States connecting the nation’s capital with the capital of Virginia.
E756584 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: Washington, D.C.–Richmond, Virginia | Statement: [Palmetto, operatesOnRouteSection, Washington, D.C.–Richmond, Virginia]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Washington, D.C.–Richmond, Virginia
Context triple: [Palmetto, operatesOnRouteSection, Washington, D.C.–Richmond, Virginia]
  • A. Richmond, Virginia
    Richmond, Virginia is the capital city of the U.S. state of Virginia, known for its pivotal role in American history, particularly as the capital of the Confederacy during the Civil War.
  • B. Washington, Virginia
    Washington, Virginia is a small historic town in the foothills of the Blue Ridge Mountains known for its preserved 18th-century character and acclaimed dining, including The Inn at Little Washington.
  • C. Alexandria, Virginia
    Alexandria, Virginia is a historic independent city just south of Washington, D.C., known for its well-preserved Old Town waterfront, colonial-era architecture, and role as a major port and community along the Potomac River.
  • D. Petersburg, Virginia
    Petersburg, Virginia is an independent city in south-central Virginia known for its strategic importance and extensive trench warfare during the American Civil War.
  • E. Richmond
    Richmond is a historic outer suburb of Sydney, New South Wales, known for its semi-rural character and proximity to the Hawkesbury River.
  • 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: Washington, D.C.–Richmond, Virginia
Triple: [Palmetto, operatesOnRouteSection, Washington, D.C.–Richmond, Virginia]
Generated description
Washington, D.C.–Richmond, Virginia refers to the busy intercity rail corridor segment in the eastern United States connecting the nation’s capital with the capital of Virginia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Washington, D.C.–Richmond, Virginia
Target entity description: Washington, D.C.–Richmond, Virginia refers to the busy intercity rail corridor segment in the eastern United States connecting the nation’s capital with the capital of Virginia.
  • A. Richmond, Virginia
    Richmond, Virginia is the capital city of the U.S. state of Virginia, known for its pivotal role in American history, particularly as the capital of the Confederacy during the Civil War.
  • B. Washington, Virginia
    Washington, Virginia is a small historic town in the foothills of the Blue Ridge Mountains known for its preserved 18th-century character and acclaimed dining, including The Inn at Little Washington.
  • C. Alexandria, Virginia
    Alexandria, Virginia is a historic independent city just south of Washington, D.C., known for its well-preserved Old Town waterfront, colonial-era architecture, and role as a major port and community along the Potomac River.
  • D. Petersburg, Virginia
    Petersburg, Virginia is an independent city in south-central Virginia known for its strategic importance and extensive trench warfare during the American Civil War.
  • E. Richmond
    Richmond is an industrial and residential city in California’s East Bay region, known for its waterfront along San Francisco Bay and its diverse, working-class communities.
  • 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_69ca832461e88190a654c5e44e233aa8 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cc4578d9c8819096b3853d01c3ec11 completed March 31, 2026, 10:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69cf5139150081909a020db7ca4bccc3 completed April 3, 2026, 5:33 a.m.
NEDg Description generation batch_69cf5323b7c08190819de236e01ce9d3 completed April 3, 2026, 5:41 a.m.
NED2 Entity disambiguation (via description) batch_69cf54a056408190bd536f79e3ec33be completed April 3, 2026, 5:48 a.m.
Created at: March 30, 2026, 6:18 p.m.