Triple

T343600
Position Surface form Disambiguated ID Type / Status
Subject Mount Diablo meridian E6889 entity
Predicate relatedTo P37 FINISHED
Object Humboldt meridian
The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
 E43870 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: Humboldt meridian | Statement: [Mount Diablo meridian, relatedTo, Humboldt meridian]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Humboldt meridian
Context triple: [Mount Diablo meridian, relatedTo, Humboldt meridian]
  • A. San Bernardino meridian
    The San Bernardino meridian is a principal survey meridian used as a reference line for land surveying and mapping in Southern California and parts of Nevada.
  • B. Prime Meridian
    The Prime Meridian is the internationally recognized zero-degree line of longitude from which all other longitudes and global time zones are measured.
  • C. Tropic of Capricorn
    The Tropic of Capricorn is the southernmost latitude where the sun can appear directly overhead, marking an important boundary of the Earth's tropical zone.
  • D. Equator
    The Equator is an imaginary line encircling the Earth at equal distance from the poles, dividing the planet into Northern and Southern Hemispheres and marking 0° latitude.
  • E. Tropic of Cancer
    The Tropic of Cancer is the northernmost latitude on Earth where the sun can appear directly overhead, marking the boundary of the tropical zone in the Northern Hemisphere.
  • 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: Humboldt meridian
Triple: [Mount Diablo meridian, relatedTo, Humboldt meridian]
Generated description
The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Humboldt meridian
Target entity description: The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
  • A. San Bernardino meridian
    The San Bernardino meridian is a principal survey meridian used as a reference line for land surveying and mapping in Southern California and parts of Nevada.
  • B. Prime Meridian
    The Prime Meridian is the internationally recognized zero-degree line of longitude from which all other longitudes and global time zones are measured.
  • C. Tropic of Capricorn
    The Tropic of Capricorn is the southernmost latitude where the sun can appear directly overhead, marking an important boundary of the Earth's tropical zone.
  • D. Equator
    The Equator is an imaginary line encircling the Earth at equal distance from the poles, dividing the planet into Northern and Southern Hemispheres and marking 0° latitude.
  • E. Tropic of Cancer
    The Tropic of Cancer is the northernmost latitude on Earth where the sun can appear directly overhead, marking the boundary of the tropical zone in the Northern Hemisphere.
  • 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_69a2e7951ba08190960e90823b5078f3 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2eb0019088190a9b969c4287dc4fa completed Feb. 28, 2026, 1:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3d7ea0484819095ff3c22073cd300 completed March 1, 2026, 6:08 a.m.
NEDg Description generation batch_69a3d85312448190aad22189ad07687a completed March 1, 2026, 6:10 a.m.
NED2 Entity disambiguation (via description) batch_69a3d8f2d0688190aa6d0a262f8857ba completed March 1, 2026, 6:13 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.