Triple

T3502412
Position Surface form Disambiguated ID Type / Status
Subject Hell Creek Formation E73998 entity
Predicate containsFossil P9689 FINISHED
Object Champsosaurus
Champsosaurus was a long-snouted, semi-aquatic reptile from the Late Cretaceous and early Paleogene that resembled a modern gharial and belonged to the extinct group Choristodera.
 E364214 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: Champsosaurus | Statement: [Hell Creek Formation, containsFossil, Champsosaurus]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Champsosaurus
Context triple: [Hell Creek Formation, containsFossil, Champsosaurus]
  • A. Erpetoichthys
    Erpetoichthys is a genus of elongated, eel-like bichir fishes native to African freshwater habitats, best known for the ropefish (Erpetoichthys calabaricus).
  • B. Othnielosaurus
    Othnielosaurus is a small, bipedal ornithischian dinosaur from the Late Jurassic of North America, known for its lightly built body and herbivorous diet.
  • C. Spinosaurus
    Spinosaurus is a large, sail-backed theropod dinosaur, popularly depicted as a fearsome aquatic predator in the Jurassic Park franchise.
  • D. Kimberella
    Kimberella is an extinct, soft-bodied marine organism from the late Precambrian Ediacaran period, often considered one of the earliest known animals with possible mollusc-like features.
  • E. Cetancodonta
    Cetancodonta is a mammalian clade that unites whales, dolphins, and porpoises with their closest living terrestrial relatives, the hippopotamuses.
  • 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: Champsosaurus
Triple: [Hell Creek Formation, containsFossil, Champsosaurus]
Generated description
Champsosaurus was a long-snouted, semi-aquatic reptile from the Late Cretaceous and early Paleogene that resembled a modern gharial and belonged to the extinct group Choristodera.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Champsosaurus
Target entity description: Champsosaurus was a long-snouted, semi-aquatic reptile from the Late Cretaceous and early Paleogene that resembled a modern gharial and belonged to the extinct group Choristodera.
  • A. Erpetoichthys
    Erpetoichthys is a genus of elongated, eel-like bichir fishes native to African freshwater habitats, best known for the ropefish (Erpetoichthys calabaricus).
  • B. Othnielosaurus
    Othnielosaurus is a small, bipedal ornithischian dinosaur from the Late Jurassic of North America, known for its lightly built body and herbivorous diet.
  • C. Spinosaurus
    Spinosaurus is a large, sail-backed theropod dinosaur, popularly depicted as a fearsome aquatic predator in the Jurassic Park franchise.
  • D. Kimberella
    Kimberella is an extinct, soft-bodied marine organism from the late Precambrian Ediacaran period, often considered one of the earliest known animals with possible mollusc-like features.
  • E. Cetancodonta
    Cetancodonta is a mammalian clade that unites whales, dolphins, and porpoises with their closest living terrestrial relatives, the hippopotamuses.
  • 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_69ad85ce7a9c81909ddc5cf0cb67a6e3 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbbef47988190b5b3fe2e452b9ac8 completed March 8, 2026, 6:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69b373d88dc08190a8508f990b01cf03 completed March 13, 2026, 2:18 a.m.
NEDg Description generation batch_69b3779133788190a17b2d8a51587682 completed March 13, 2026, 2:33 a.m.
NED2 Entity disambiguation (via description) batch_69b377facc048190849ccd4ddcd9b442 completed March 13, 2026, 2:35 a.m.
Created at: March 8, 2026, 3:18 p.m.