Triple

T507653
Position Surface form Disambiguated ID Type / Status
Subject Gulf of Mexico E10536 entity
Predicate containsFeature P182 FINISHED
Object Mississippi Canyon
Mississippi Canyon is a large submarine canyon on the seafloor off the Louisiana coast, known for its deep incisions into the Gulf of Mexico and its importance to regional oil and gas exploration.
E63330 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 Canyon | Statement: [Gulf of Mexico, containsFeature, Mississippi Canyon]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mississippi Canyon
Context triple: [Gulf of Mexico, containsFeature, Mississippi Canyon]
  • A. Brownson Deep
    Brownson Deep is the deepest known point in the Atlantic Ocean, located within the Puerto Rico Trench.
  • B. Mitchell Caverns
    Mitchell Caverns is a set of limestone caves in California’s Mojave Desert, known for their striking speleothems and status as a protected natural and geological attraction.
  • C. Cascadilla Gorge
    Cascadilla Gorge is a scenic, steep-sided ravine in Ithaca, New York, known for its cascading waterfalls, stone trails, and role as a popular natural area near Cornell University.
  • D. Third Creek
    Third Creek is a stream in the Lake Tahoe Basin that serves as one of the tributaries feeding water into Lake Tahoe.
  • E. Desolation Canyon
    Desolation Canyon is a remote, rugged gorge in Death Valley National Park known for its colorful badlands, narrow washes, and scenic hiking routes through eroded desert terrain.
  • 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 Canyon
Triple: [Gulf of Mexico, containsFeature, Mississippi Canyon]
Generated description
Mississippi Canyon is a large submarine canyon on the seafloor off the Louisiana coast, known for its deep incisions into the Gulf of Mexico and its importance to regional oil and gas exploration.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mississippi Canyon
Target entity description: Mississippi Canyon is a large submarine canyon on the seafloor off the Louisiana coast, known for its deep incisions into the Gulf of Mexico and its importance to regional oil and gas exploration.
  • A. Brownson Deep
    Brownson Deep is the deepest known point in the Atlantic Ocean, located within the Puerto Rico Trench.
  • B. Mitchell Caverns
    Mitchell Caverns is a set of limestone caves in California’s Mojave Desert, known for their striking speleothems and status as a protected natural and geological attraction.
  • C. Cascadilla Gorge
    Cascadilla Gorge is a scenic, steep-sided ravine in Ithaca, New York, known for its cascading waterfalls, stone trails, and role as a popular natural area near Cornell University.
  • D. Third Creek
    Third Creek is a stream in the Lake Tahoe Basin that serves as one of the tributaries feeding water into Lake Tahoe.
  • E. Desolation Canyon
    Desolation Canyon is a remote, rugged gorge in Death Valley National Park known for its colorful badlands, narrow washes, and scenic hiking routes through eroded desert terrain.
  • 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_69a2e848adf881908e5e04f7af030093 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f14dcd688190ad47a3b31b95b6d4 completed Feb. 28, 2026, 1:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69a498506418819090190a35e8763982 completed March 1, 2026, 7:49 p.m.
NEDg Description generation batch_69a499da231c8190abd973d9ac3969ff completed March 1, 2026, 7:56 p.m.
NED2 Entity disambiguation (via description) batch_69a49b0045b481908f5e863d61b7e17e completed March 1, 2026, 8:01 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.