Triple

T4138798
Position Surface form Disambiguated ID Type / Status
Subject Agnatha E89221 entity
Predicate includesExtinctGroup P2180 FINISHED
Object Osteostraci
Osteostraci is an extinct group of armored, jawless vertebrates known from the Silurian and Devonian periods, notable for their bony head shields and importance in early vertebrate evolution.
 E414615 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: Osteostraci | Statement: [Agnatha, includesExtinctGroup, Osteostraci]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Osteostraci
Context triple: [Agnatha, includesExtinctGroup, Osteostraci]
  • A. Acanthodii
    Acanthodii are an extinct class of early jawed fishes, often called "spiny sharks," that played a key role in the evolution of vertebrate jaws and fins.
  • B. 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.
  • C. Placodermi
    Placodermi is an extinct class of armored prehistoric fishes that were among the earliest jawed vertebrates.
  • D. Erpetoichthys
    Erpetoichthys is a genus of elongated, eel-like bichir fishes native to African freshwater habitats, best known for the ropefish (Erpetoichthys calabaricus).
  • E. Sarcopterygii
    Sarcopterygii is the class of lobe-finned fishes that includes the evolutionary ancestors of all tetrapods (amphibians, reptiles, birds, and mammals).
  • 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: Osteostraci
Triple: [Agnatha, includesExtinctGroup, Osteostraci]
Generated description
Osteostraci is an extinct group of armored, jawless vertebrates known from the Silurian and Devonian periods, notable for their bony head shields and importance in early vertebrate evolution.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Osteostraci
Target entity description: Osteostraci is an extinct group of armored, jawless vertebrates known from the Silurian and Devonian periods, notable for their bony head shields and importance in early vertebrate evolution.
  • A. Acanthodii
    Acanthodii are an extinct class of early jawed fishes, often called "spiny sharks," that played a key role in the evolution of vertebrate jaws and fins.
  • B. 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.
  • C. Placodermi
    Placodermi is an extinct class of armored prehistoric fishes that were among the earliest jawed vertebrates.
  • D. Erpetoichthys
    Erpetoichthys is a genus of elongated, eel-like bichir fishes native to African freshwater habitats, best known for the ropefish (Erpetoichthys calabaricus).
  • E. Sarcopterygii
    Sarcopterygii is the class of lobe-finned fishes that includes the evolutionary ancestors of all tetrapods (amphibians, reptiles, birds, and mammals).
  • 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_69aed95785788190ae75bcf0cd1cafdf completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af0b2c76fc8190b3cd9facfcd6e427 completed March 9, 2026, 6:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69b576c9f8a081908c2910ac475e4974 completed March 14, 2026, 2:55 p.m.
NEDg Description generation batch_69b57752b9a881909d4440de630121b9 completed March 14, 2026, 2:57 p.m.
NED2 Entity disambiguation (via description) batch_69b577d6d8ac8190bbd2025cbc326acc completed March 14, 2026, 2:59 p.m.
Created at: March 9, 2026, 3:43 p.m.