Triple

T396839
Position Surface form Disambiguated ID Type / Status
Subject Great Plains E9201 entity
Predicate borders P224 FINISHED
Object Mississippi River basin
The Mississippi River basin is the vast drainage area of the Mississippi River system, encompassing much of the central United States and parts of Canada and covering one of the largest river basins in the world.
E50492 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 basin | Statement: [Great Plains, borders, Mississippi River basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mississippi River basin
Context triple: [Great Plains, borders, Mississippi River basin]
  • A. Mississippi River valley
    The Mississippi River valley is a vast, fertile lowland region in the central United States shaped by the Mississippi River, historically crucial for agriculture, trade, and settlement.
  • B. Upper Mississippi Valley
    The Upper Mississippi Valley is a region along the upper course of the Mississippi River, encompassing parts of several Midwestern U.S. states and historically significant for trade, settlement, and military activity.
  • C. Mississippi River
    The Mississippi River is one of the longest and most significant rivers in the United States, serving as a major waterway for transportation, commerce, and drainage across much of the central continent.
  • D. Great Lakes–St. Lawrence system
    The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.
  • E. Tennessee Valley
    The Tennessee Valley is a region in the southeastern United States centered around the Tennessee River, known for its historically rural economy, flood-prone landscape, and large-scale development through New Deal-era infrastructure and power projects.
  • 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 basin
Triple: [Great Plains, borders, Mississippi River basin]
Generated description
The Mississippi River basin is the vast drainage area of the Mississippi River system, encompassing much of the central United States and parts of Canada and covering one of the largest river basins in the world.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mississippi River basin
Target entity description: The Mississippi River basin is the vast drainage area of the Mississippi River system, encompassing much of the central United States and parts of Canada and covering one of the largest river basins in the world.
  • A. Mississippi River valley
    The Mississippi River valley is a vast, fertile lowland region in the central United States shaped by the Mississippi River, historically crucial for agriculture, trade, and settlement.
  • B. Upper Mississippi Valley
    The Upper Mississippi Valley is a region along the upper course of the Mississippi River, encompassing parts of several Midwestern U.S. states and historically significant for trade, settlement, and military activity.
  • C. Mississippi River
    The Mississippi River is one of the longest and most significant rivers in the United States, serving as a major waterway for transportation, commerce, and drainage across much of the central continent.
  • D. Great Lakes–St. Lawrence system
    The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.
  • E. Tennessee Valley
    The Tennessee Valley is a region in the southeastern United States centered around the Tennessee River, known for its historically rural economy, flood-prone landscape, and large-scale development through New Deal-era infrastructure and power projects.
  • 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_69a2e8004cb88190b92ed1add6abf41a completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ec8a941081909a152fda0ce24a98 completed Feb. 28, 2026, 1:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69a40ad7ebec8190a0a4ee16b20cea57 completed March 1, 2026, 9:46 a.m.
NEDg Description generation batch_69a40cc295e88190b4adb738b0ba8161 completed March 1, 2026, 9:54 a.m.
NED2 Entity disambiguation (via description) batch_69a40d4137c48190a00522b114096bd5 completed March 1, 2026, 9:56 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.