Triple

T17037634
Position Surface form Disambiguated ID Type / Status
Subject Acanthodii E413361 entity
Predicate notableGenus P12304 FINISHED
Object Ischnacanthus
Ischnacanthus is an extinct genus of spiny, shark-like jawed fishes from the Paleozoic era, known from well-preserved fossils that illuminate early vertebrate evolution.
 E1246018 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Ischnacanthus | Statement: [Acanthodii, notableGenus, Ischnacanthus]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ischnacanthus
Context triple: [Acanthodii, notableGenus, Ischnacanthus]
  • A. Allodontichthys
    Allodontichthys is a genus of small freshwater fishes in the family Cyprinodontidae, known for inhabiting streams and rivers in Mexico.
  • B. Malapterurus
    Malapterurus is a genus of electric catfishes known for their ability to generate strong electric discharges, native to freshwater habitats in Africa.
  • C. Normanichthys
    Normanichthys is a genus of marine ray-finned fishes that serves as the sole representative of the monotypic family Normanichthyidae.
  • D. Hedinichthys
    Hedinichthys is a genus of stone loaches, small bottom-dwelling freshwater fishes native to parts of Asia.
  • E. Monhoplichthys
    Monhoplichthys is a genus of bottom-dwelling marine fishes known for their armored, spiny bodies and association with sandy or muddy seafloor habitats.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ischnacanthus
Target entity description: Ischnacanthus is an extinct genus of spiny, shark-like jawed fishes from the Paleozoic era, known from well-preserved fossils that illuminate early vertebrate evolution.
  • A. Allodontichthys
    Allodontichthys is a genus of small freshwater fishes in the family Cyprinodontidae, known for inhabiting streams and rivers in Mexico.
  • B. Malapterurus
    Malapterurus is a genus of electric catfishes known for their ability to generate strong electric discharges, native to freshwater habitats in Africa.
  • C. Normanichthys
    Normanichthys is a genus of marine ray-finned fishes that serves as the sole representative of the monotypic family Normanichthyidae.
  • D. Hedinichthys
    Hedinichthys is a genus of stone loaches, small bottom-dwelling freshwater fishes native to parts of Asia.
  • E. Monhoplichthys
    Monhoplichthys is a genus of bottom-dwelling marine fishes known for their armored, spiny bodies and association with sandy or muddy seafloor habitats.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Ischnacanthus
Triple: [Acanthodii, notableGenus, Ischnacanthus]
Generated description
Ischnacanthus is an extinct genus of spiny, shark-like jawed fishes from the Paleozoic era, known from well-preserved fossils that illuminate early vertebrate evolution.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d886cd18288190b006abab23f811b7 elicitation completed
NER batch_69e3d8f38b58819093af4054c3459726 ner completed
NED1 batch_6a011b5b71f48190b6c865d57668b5d1 ned_source_triple completed
NED2 batch_6a011cc70cb08190b53b6a7402139f93 ned_description completed
NEDg batch_6a011c2203f0819091a5b4aa7c339585 nedg completed
Created at: April 10, 2026, 5:33 a.m.