Triple

T5211021
Position Surface form Disambiguated ID Type / Status
Subject Missouri River E117632 entity
Predicate mouthLocation P417 FINISHED
Object Mississippi River at St. Louis, Missouri
The Mississippi River at St. Louis, Missouri is a major stretch of the Mississippi where it flows past the city of St. Louis and receives the waters of the Missouri River, forming one of North America’s most significant river confluences.
E503479 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: Mississippi River at St. Louis, Missouri | Statement: [Missouri River, mouthLocation, Mississippi River at St. Louis, Missouri]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mississippi River at St. Louis, Missouri
Context triple: [Missouri River, mouthLocation, Mississippi River at St. Louis, Missouri]
  • A. Mississippi River at Memphis
    The Mississippi River at Memphis is a major stretch of the river where it flows past downtown Memphis, Tennessee, serving as a key commercial waterway and iconic natural landmark of the region.
  • B. Mississippi River waterfront
    The Mississippi River waterfront at Fort Madison is a scenic riverside area known for its historic views, recreational spaces, and role as a focal point of the city’s connection to the Mississippi River.
  • C. Mississippi riverfront
    The Mississippi riverfront in Saint Paul, Minnesota is a prominent urban waterfront area featuring parks, trails, cultural attractions, and scenic views along the Mississippi River.
  • D. Pearl River between Louisiana and Mississippi
    The Pearl River between Louisiana and Mississippi is a major waterway forming part of the boundary between the two states and flowing into the Gulf of Mexico.
  • E. Mississippi River (Twin Cities campus area)
    The Mississippi River (Twin Cities campus area) is the stretch of the Mississippi River that flows through and alongside the University of Minnesota’s Twin Cities campus, serving as a central natural and scenic feature of the university environment.
  • 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: Mississippi River at St. Louis, Missouri
Triple: [Missouri River, mouthLocation, Mississippi River at St. Louis, Missouri]
Generated description
The Mississippi River at St. Louis, Missouri is a major stretch of the Mississippi where it flows past the city of St. Louis and receives the waters of the Missouri River, forming one of North America’s most significant river confluences.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mississippi River at St. Louis, Missouri
Target entity description: The Mississippi River at St. Louis, Missouri is a major stretch of the Mississippi where it flows past the city of St. Louis and receives the waters of the Missouri River, forming one of North America’s most significant river confluences.
  • A. Mississippi River at Memphis
    The Mississippi River at Memphis is a major stretch of the river where it flows past downtown Memphis, Tennessee, serving as a key commercial waterway and iconic natural landmark of the region.
  • B. Mississippi River waterfront
    The Mississippi River waterfront at Fort Madison is a scenic riverside area known for its historic views, recreational spaces, and role as a focal point of the city’s connection to the Mississippi River.
  • C. Mississippi riverfront
    The Mississippi riverfront in Saint Paul, Minnesota is a prominent urban waterfront area featuring parks, trails, cultural attractions, and scenic views along the Mississippi River.
  • D. Pearl River between Louisiana and Mississippi
    The Pearl River between Louisiana and Mississippi is a major waterway forming part of the boundary between the two states and flowing into the Gulf of Mexico.
  • E. Mississippi River (Twin Cities campus area)
    The Mississippi River (Twin Cities campus area) is the stretch of the Mississippi River that flows through and alongside the University of Minnesota’s Twin Cities campus, serving as a central natural and scenic feature of the university environment.
  • 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_69bd4464ba3c8190bc16b2ebbe42ddb0 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7a7166848190805152142e184529 completed March 20, 2026, 4:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69beefd9e0b481908db7d6e2907b3b2b completed March 21, 2026, 7:22 p.m.
NEDg Description generation batch_69bef0b1fe9c8190bfc1be621c7c1c76 completed March 21, 2026, 7:25 p.m.
NED2 Entity disambiguation (via description) batch_69bef16739148190b9700228be7d07f9 completed March 21, 2026, 7:28 p.m.
Created at: March 20, 2026, 1:47 p.m.