Triple

T18692295
Position Surface form Disambiguated ID Type / Status
Subject Michigan Basin E457029 entity
Predicate containsFormation P42214 FINISHED
Object Trenton-Black River formations
The Trenton-Black River formations are Middle Ordovician carbonate rock units known for their extensive oil and gas reservoirs across parts of the northeastern and midwestern United States.
E1336853 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: Trenton-Black River formations | Statement: [Michigan Basin, containsFormation, Trenton-Black River formations]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Trenton-Black River formations
Context triple: [Michigan Basin, containsFormation, Trenton-Black River formations]
  • A. Calvert Formation
    The Calvert Formation is a geologic formation along the Chesapeake Bay in Maryland, renowned for its Miocene-age marine sediments and abundant fossil beds exposed in the Calvert Cliffs.
  • B. Cornbrash Formation
    The Cornbrash Formation is a Middle Jurassic limestone and marl unit in England known for its rich marine fossil assemblages and use in regional stratigraphic correlation.
  • C. Holston Formation
    The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
  • D. Curtis Formation
    The Curtis Formation is a Middle Jurassic geologic unit in the western United States, characterized mainly by marine sandstones and siltstones that record shallow sea environments.
  • E. Oldhaven Formation
    The Oldhaven Formation is a geological rock unit in southeast England, known for its early Eocene marine sediments that underlie the younger London Clay Formation.
  • 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: Trenton-Black River formations
Triple: [Michigan Basin, containsFormation, Trenton-Black River formations]
Generated description
The Trenton-Black River formations are Middle Ordovician carbonate rock units known for their extensive oil and gas reservoirs across parts of the northeastern and midwestern United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Trenton-Black River formations
Target entity description: The Trenton-Black River formations are Middle Ordovician carbonate rock units known for their extensive oil and gas reservoirs across parts of the northeastern and midwestern United States.
  • A. Calvert Formation
    The Calvert Formation is a geologic formation along the Chesapeake Bay in Maryland, renowned for its Miocene-age marine sediments and abundant fossil beds exposed in the Calvert Cliffs.
  • B. Cornbrash Formation
    The Cornbrash Formation is a Middle Jurassic limestone and marl unit in England known for its rich marine fossil assemblages and use in regional stratigraphic correlation.
  • C. Holston Formation
    The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
  • D. Curtis Formation
    The Curtis Formation is a Middle Jurassic geologic unit in the western United States, characterized mainly by marine sandstones and siltstones that record shallow sea environments.
  • E. Oldhaven Formation
    The Oldhaven Formation is a geological rock unit in southeast England, known for its early Eocene marine sediments that underlie the younger London Clay Formation.
  • 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_69d8d391eb488190ac2e9abf5bf255e4 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e562e4756881909335e1e7b3c23e28 completed April 19, 2026, 11:19 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0523605508819089bce4771fe9f9f6 completed May 14, 2026, 1:20 a.m.
NEDg Description generation batch_6a0524a856888190beaa73c8223e3062 completed May 14, 2026, 1:26 a.m.
NED2 Entity disambiguation (via description) batch_6a052510a97481908d05ff26c765a22d completed May 14, 2026, 1:27 a.m.
Created at: April 10, 2026, 11:49 a.m.