Triple

T15055558
Position Surface form Disambiguated ID Type / Status
Subject U.S. Route 67 E379481 entity
Predicate terminusNorth P3375 FINISHED
Object Mississippi River at Sabula, Iowa
The Mississippi River at Sabula, Iowa is a stretch of the major North American waterway adjacent to Iowa’s only island city, serving as a regional crossing and transportation landmark.
E1134953 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 Sabula, Iowa | Statement: [U.S. Route 67, terminusNorth, Mississippi River at Sabula, Iowa]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mississippi River at Sabula, Iowa
Context triple: [U.S. Route 67, terminusNorth, Mississippi River at Sabula, Iowa]
  • A. Mississippi River at Muscatine
    The Mississippi River at Muscatine is a stretch of the major North American waterway flowing along the eastern edge of Muscatine, Iowa, serving as a key natural and economic feature of the region.
  • B. Mississippi River near Grafton, Illinois
    The Mississippi River near Grafton, Illinois is a major stretch of the river in southwestern Illinois where it meets the Illinois River, forming a notable confluence and scenic river landscape.
  • C. Missouri Valley, Iowa
    Missouri Valley is a small city in western Iowa that serves as the largest community in Harrison County and a local hub for the surrounding rural area.
  • D. 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.
  • E. Mississippi River at Prescott, Wisconsin
    The Mississippi River at Prescott, Wisconsin is a notable river location where the St. Croix River joins the Mississippi, marking a key confluence point in the Upper Midwest.
  • 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 Sabula, Iowa
Triple: [U.S. Route 67, terminusNorth, Mississippi River at Sabula, Iowa]
Generated description
The Mississippi River at Sabula, Iowa is a stretch of the major North American waterway adjacent to Iowa’s only island city, serving as a regional crossing and transportation landmark.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mississippi River at Sabula, Iowa
Target entity description: The Mississippi River at Sabula, Iowa is a stretch of the major North American waterway adjacent to Iowa’s only island city, serving as a regional crossing and transportation landmark.
  • A. Mississippi River at Muscatine
    The Mississippi River at Muscatine is a stretch of the major North American waterway flowing along the eastern edge of Muscatine, Iowa, serving as a key natural and economic feature of the region.
  • B. Mississippi River near Grafton, Illinois
    The Mississippi River near Grafton, Illinois is a major stretch of the river in southwestern Illinois where it meets the Illinois River, forming a notable confluence and scenic river landscape.
  • C. Missouri Valley, Iowa
    Missouri Valley is a small city in western Iowa that serves as the largest community in Harrison County and a local hub for the surrounding rural area.
  • D. 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.
  • E. Mississippi River at Prescott, Wisconsin
    The Mississippi River at Prescott, Wisconsin is a notable river location where the St. Croix River joins the Mississippi, marking a key confluence point in the Upper Midwest.
  • 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_69d85cd64d108190853797a95c11cc45 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69deda92091c81909180f486edf01405 completed April 15, 2026, 12:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69fea5c11fb4819086c4b85a8d29ccf7 completed May 9, 2026, 3:10 a.m.
NEDg Description generation batch_69fea70a10b88190aac09e3b690afa6f completed May 9, 2026, 3:16 a.m.
NED2 Entity disambiguation (via description) batch_69fea82a80888190bbb0de39a8959a6e completed May 9, 2026, 3:21 a.m.
Created at: April 10, 2026, 3:01 a.m.