Triple

T164892
Position Surface form Disambiguated ID Type / Status
Subject Broadway Limited E2991 entity
Predicate successor P78 FINISHED
Object Three Rivers
Three Rivers was an Amtrak long-distance passenger train that operated between New York City and Chicago via Pittsburgh.
E66741 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: Three Rivers | Statement: [Broadway Limited, successor, Three Rivers]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Three Rivers
Context triple: [Broadway Limited, successor, Three Rivers]
  • A. Grande River
    The Grande River is a watercourse in Chile’s Limarí Province that contributes to the region’s agricultural irrigation and local watershed.
  • B. White River
    The White River is a river in northern Ontario, Canada, that flows into Lake Superior and is known for its rugged, forested watershed and recreational fishing opportunities.
  • C. Hudson River
    The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
  • D. Connecticut River
    The Connecticut River is the longest river in New England, flowing south from the U.S.-Canada border through four states before emptying into Long Island Sound.
  • E. DuPage River
    The DuPage River is a tributary of the Des Plaines River in northeastern Illinois, flowing through suburban Chicago communities and providing important recreational, ecological, and drainage functions for the region.
  • 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: Three Rivers
Triple: [Broadway Limited, successor, Three Rivers]
Generated description
Three Rivers was an Amtrak long-distance passenger train that operated between New York City and Chicago via Pittsburgh.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Three Rivers
Target entity description: Three Rivers was an Amtrak long-distance passenger train that operated between New York City and Chicago via Pittsburgh.
  • A. Grande River
    The Grande River is a watercourse in Chile’s Limarí Province that contributes to the region’s agricultural irrigation and local watershed.
  • B. White River
    The White River is a river in northern Ontario, Canada, that flows into Lake Superior and is known for its rugged, forested watershed and recreational fishing opportunities.
  • C. Hudson River
    The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
  • D. Connecticut River
    The Connecticut River is the longest river in New England, flowing south from the U.S.-Canada border through four states before emptying into Long Island Sound.
  • E. DuPage River
    The DuPage River is a tributary of the Des Plaines River in northeastern Illinois, flowing through suburban Chicago communities and providing important recreational, ecological, and drainage functions for the region.
  • 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_69a2524ce1e48190ab066bf72859f474 completed Feb. 28, 2026, 2:26 a.m.
NER Named-entity recognition batch_69a258827da481909b20ea5e9d21676f completed Feb. 28, 2026, 2:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69a4b8a6c0788190b38c563b5555ff90 completed March 1, 2026, 10:07 p.m.
NEDg Description generation batch_69a4bce57128819095d61b27ffeaee6c completed March 1, 2026, 10:25 p.m.
NED2 Entity disambiguation (via description) batch_69a4bd73a6208190b7b1ce918c26eefd completed March 1, 2026, 10:28 p.m.
Created at: Feb. 28, 2026, 2:34 a.m.