Triple

T11308330
Position Surface form Disambiguated ID Type / Status
Subject East Resources E267771 entity
Predicate locationOfOperations P6665 FINISHED
Object Marcellus Shale
Marcellus Shale is a vast natural gas–rich sedimentary rock formation underlying much of the Appalachian Basin in the eastern United States, notably Pennsylvania, West Virginia, Ohio, and New York.
 E917246 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: Marcellus Shale | Statement: [East Resources, locationOfOperations, Marcellus Shale]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Marcellus Shale
Context triple: [East Resources, locationOfOperations, Marcellus Shale]
  • A. Morgan Valley
    Morgan Valley is a scenic agricultural and residential valley in northern Utah, known for its rural communities and outdoor recreation opportunities.
  • B. Bakken
    Bakken is a surname most notably associated with Earl Bakken, the American engineer and co-founder of the medical device company Medtronic.
  • C. Montrose Basin
    Montrose Basin is a large tidal estuary and wildlife reserve on Scotland’s east coast, renowned for its rich birdlife and coastal habitats.
  • D. Vaca Muerta shale formation
    Vaca Muerta shale formation is a vast, hydrocarbon-rich shale play in Argentina that is one of the world’s largest unconventional oil and gas reserves.
  • E. Murray formation
    The Murray formation is a sedimentary rock unit on Mars within Gale Crater, studied by the Curiosity rover for its record of ancient lake and habitable environments.
  • 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: Marcellus Shale
Triple: [East Resources, locationOfOperations, Marcellus Shale]
Generated description
Marcellus Shale is a vast natural gas–rich sedimentary rock formation underlying much of the Appalachian Basin in the eastern United States, notably Pennsylvania, West Virginia, Ohio, and New York.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Marcellus Shale
Target entity description: Marcellus Shale is a vast natural gas–rich sedimentary rock formation underlying much of the Appalachian Basin in the eastern United States, notably Pennsylvania, West Virginia, Ohio, and New York.
  • A. Morgan Valley
    Morgan Valley is a scenic agricultural and residential valley in northern Utah, known for its rural communities and outdoor recreation opportunities.
  • B. Bakken
    Bakken is a surname most notably associated with Earl Bakken, the American engineer and co-founder of the medical device company Medtronic.
  • C. Montrose Basin
    Montrose Basin is a large tidal estuary and wildlife reserve on Scotland’s east coast, renowned for its rich birdlife and coastal habitats.
  • D. Vaca Muerta shale formation
    Vaca Muerta shale formation is a vast, hydrocarbon-rich shale play in Argentina that is one of the world’s largest unconventional oil and gas reserves.
  • E. Murray formation
    The Murray formation is a sedimentary rock unit on Mars within Gale Crater, studied by the Curiosity rover for its record of ancient lake and habitable environments.
  • 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_69d6aaca5c24819083db46a30d86cb34 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e9bf87d88190904c2d174578ebbf completed April 9, 2026, 6:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69e50a70022081908bc74185003a3503 completed April 19, 2026, 5:01 p.m.
NEDg Description generation batch_69e510fb1e288190a7a38fe896d7b91d completed April 19, 2026, 5:29 p.m.
NED2 Entity disambiguation (via description) batch_69e516bec3e481909cbd0d9c683d2191 completed April 19, 2026, 5:54 p.m.
Created at: April 8, 2026, 9:32 p.m.