Triple

T8345737
Position Surface form Disambiguated ID Type / Status
Subject Eratosthenes E196028 entity
Predicate notableWork P4 FINISHED
Object On the Measurement of the Earth
"On the Measurement of the Earth" is an ancient treatise in which Eratosthenes used geometric reasoning and observations of the Sun to calculate the Earth's circumference with remarkable accuracy.
E728495 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: On the Measurement of the Earth | Statement: [Eratosthenes, notableWork, On the Measurement of the Earth]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: On the Measurement of the Earth
Context triple: [Eratosthenes, notableWork, On the Measurement of the Earth]
  • A. On the Sizes and Distances of the Sun and Moon
    On the Sizes and Distances of the Sun and Moon is an ancient Greek astronomical treatise that presents one of the earliest known geometric attempts to quantify the relative sizes and distances of the Sun and Moon from Earth.
  • B. Cosmographiae Introductio
    Cosmographiae Introductio is a 1507 Latin cosmography book, best known for introducing and popularizing the name "America" for the newly discovered Western Hemisphere.
  • C. Theory of the Earth
    Theory of the Earth is James Hutton’s foundational geological work that introduced the concept of deep geological time and laid the groundwork for modern geology.
  • D. On the Measurement of the Circle
    On the Measurement of the Circle is a mathematical treatise by Archimedes in which he rigorously approximates the value of π and explores properties of circles.
  • E. The Sand Reckoner
    The Sand Reckoner is a treatise by Archimedes in which he develops a system for expressing extremely large numbers to estimate the quantity of sand that could fit in the universe.
  • 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: On the Measurement of the Earth
Triple: [Eratosthenes, notableWork, On the Measurement of the Earth]
Generated description
"On the Measurement of the Earth" is an ancient treatise in which Eratosthenes used geometric reasoning and observations of the Sun to calculate the Earth's circumference with remarkable accuracy.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: On the Measurement of the Earth
Target entity description: "On the Measurement of the Earth" is an ancient treatise in which Eratosthenes used geometric reasoning and observations of the Sun to calculate the Earth's circumference with remarkable accuracy.
  • A. On the Sizes and Distances of the Sun and Moon
    On the Sizes and Distances of the Sun and Moon is an ancient Greek astronomical treatise that presents one of the earliest known geometric attempts to quantify the relative sizes and distances of the Sun and Moon from Earth.
  • B. Cosmographiae Introductio
    Cosmographiae Introductio is a 1507 Latin cosmography book, best known for introducing and popularizing the name "America" for the newly discovered Western Hemisphere.
  • C. Theory of the Earth
    Theory of the Earth is James Hutton’s foundational geological work that introduced the concept of deep geological time and laid the groundwork for modern geology.
  • D. On the Measurement of the Circle
    On the Measurement of the Circle is a mathematical treatise by Archimedes in which he rigorously approximates the value of π and explores properties of circles.
  • E. The Sand Reckoner
    The Sand Reckoner is a treatise by Archimedes in which he develops a system for expressing extremely large numbers to estimate the quantity of sand that could fit in the universe.
  • 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_69ca82edd63c8190b876b8465464c5fa completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7feef7e8819084ca0441d146bac7 completed March 31, 2026, 8:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69cdc73ccfb481908d0d189362404e09 completed April 2, 2026, 1:32 a.m.
NEDg Description generation batch_69cdcb90bec88190a2c19681405aa13e completed April 2, 2026, 1:51 a.m.
NED2 Entity disambiguation (via description) batch_69cdcd0fc9488190a0a576c385b9bc1f completed April 2, 2026, 1:57 a.m.
Created at: March 30, 2026, 5:58 p.m.