Triple

T11600759
Position Surface form Disambiguated ID Type / Status
Subject Meridian Township E275121 entity
Predicate namedAfter P63 FINISHED
Object Michigan meridian
The Michigan meridian is a principal north–south survey line used as a reference for land surveying and mapping throughout the state of Michigan.
E936181 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: Michigan meridian | Statement: [Meridian Township, namedAfter, Michigan meridian]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Michigan meridian
Context triple: [Meridian Township, namedAfter, Michigan 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. 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.
  • C. 31st parallel north
    The 31st parallel north is a circle of latitude in the Northern Hemisphere that has historically served as a significant political boundary, including as a colonial border in the southeastern United States.
  • D. Twenty Eighth Parallel
    "Twenty Eighth Parallel" is an atmospheric instrumental track by Vangelis from his 1992 film score for *1492: Conquest of Paradise*, known for its evocative, cinematic soundscapes.
  • E. Great Arc of the Meridian
    The Great Arc of the Meridian was a monumental 19th-century geodetic survey line across the Indian subcontinent that played a key role in measuring the Earth’s shape and refining global maps.
  • 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: Michigan meridian
Triple: [Meridian Township, namedAfter, Michigan meridian]
Generated description
The Michigan meridian is a principal north–south survey line used as a reference for land surveying and mapping throughout the state of Michigan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Michigan meridian
Target entity description: The Michigan meridian is a principal north–south survey line used as a reference for land surveying and mapping throughout the state of Michigan.
  • 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. 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.
  • C. 31st parallel north
    The 31st parallel north is a circle of latitude in the Northern Hemisphere that has historically served as a significant political boundary, including as a colonial border in the southeastern United States.
  • D. Twenty Eighth Parallel
    "Twenty Eighth Parallel" is an atmospheric instrumental track by Vangelis from his 1992 film score for *1492: Conquest of Paradise*, known for its evocative, cinematic soundscapes.
  • E. Great Arc of the Meridian
    The Great Arc of the Meridian was a monumental 19th-century geodetic survey line across the Indian subcontinent that played a key role in measuring the Earth’s shape and refining global maps.
  • 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_69d6aae6b14c81908dc5a74bad7591f9 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8954c3c248190bcccd4c7ff667b3a completed April 10, 2026, 6:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69e8a7f018a881908f4b206699044ceb completed April 22, 2026, 10:50 a.m.
NEDg Description generation batch_69e9e9c6b7c08190838a08cda0290671 completed April 23, 2026, 9:43 a.m.
NED2 Entity disambiguation (via description) batch_69ee5b254a2081909cba97a6ecb10601 completed April 26, 2026, 6:36 p.m.
Created at: April 8, 2026, 9:38 p.m.