Triple

T28847601
Position Surface form Disambiguated ID Type / Status
Subject On the Measurement of the Earth E728495 entity
Predicate distanceSegment P7750 FINISHED
Object Syene–Alexandria arc
The Syene–Alexandria arc is the segment of the Earth's surface between the ancient cities of Syene (Aswan) and Alexandria that Eratosthenes used to estimate the planet's circumference.
 E1835574 NE FINISHED

How this triple was built (3 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: Syene–Alexandria arc | Statement: [On the Measurement of the Earth, distanceSegment, Syene–Alexandria arc]
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: Syene–Alexandria arc
Triple: [On the Measurement of the Earth, distanceSegment, Syene–Alexandria arc]
Generated description
The Syene–Alexandria arc is the segment of the Earth's surface between the ancient cities of Syene (Aswan) and Alexandria that Eratosthenes used to estimate the planet's circumference.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: distanceSegment
Context triple: [On the Measurement of the Earth, distanceSegment, Syene–Alexandria arc]
  • A. distanceProvidedBy
    Indicates that a specific distance value is supplied or made available by a particular source or provider.
  • B. flightDistance
    Indicates the measured distance covered by a flight between its origin and destination.
  • C. distanceCharacteristic
    Indicates a relationship where an entity is described or constrained by some property or measure of distance (e.g., range, spacing, or separation).
  • D. distance chosen
    Indicates the spatial separation or length between two points, objects, or locations.
  • E. distanceOfCourse
    Indicates the length or total distance covered by a course or route.
  • F. None of above.

Provenance (6 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_69f0319e8e7c8190b37288c8845b9dbc completed April 28, 2026, 4:03 a.m.
NER Named-entity recognition batch_6a0049e40d60819081e3899d8d9fca51 completed May 10, 2026, 9:03 a.m.
NED1 Entity disambiguation (via context triple) batch_6a24bbba00608190b47f19e164f5f3a5 completed June 7, 2026, 12:30 a.m.
NEDg Description generation batch_6a24c01833908190a819592235484989 completed June 7, 2026, 12:49 a.m.
NED2 Entity disambiguation (via description) batch_6a24c43561d08190ac657094dbff3be7 completed June 7, 2026, 1:07 a.m.
PD Predicate disambiguation batch_6a0048c47b548190ad31b2901cc3784a completed May 10, 2026, 8:58 a.m.
Created at: April 28, 2026, 6:42 a.m.