Triple

T7050543
Position Surface form Disambiguated ID Type / Status
Subject Dava Sobel E163752 entity
Predicate notableWork P4 FINISHED
Object Longitude
"Longitude" is a popular historical nonfiction book by Dava Sobel that recounts the quest to determine a ship’s east–west position at sea, focusing on John Harrison’s invention of the marine chronometer.
 E639466 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: Longitude | Statement: [Dava Sobel, notableWork, Longitude]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Longitude
Context triple: [Dava Sobel, notableWork, Longitude]
  • A. Latitude
    Latitude is Dell’s line of business-oriented laptop computers designed for corporate, enterprise, and professional use.
  • 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. 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.
  • D. 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.
  • E. 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.
  • 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: Longitude
Triple: [Dava Sobel, notableWork, Longitude]
Generated description
"Longitude" is a popular historical nonfiction book by Dava Sobel that recounts the quest to determine a ship’s east–west position at sea, focusing on John Harrison’s invention of the marine chronometer.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Longitude
Target entity description: "Longitude" is a popular historical nonfiction book by Dava Sobel that recounts the quest to determine a ship’s east–west position at sea, focusing on John Harrison’s invention of the marine chronometer.
  • A. Latitude
    Latitude is Dell’s line of business-oriented laptop computers designed for corporate, enterprise, and professional use.
  • 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. 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.
  • D. 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.
  • E. 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.
  • 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_69c6885f598c8190b6b6495c59d8d962 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e24e7e20819099dc8f7fa37c4491 completed March 27, 2026, 8:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7888bba9c8190b6414b56e5588ec0 completed March 28, 2026, 7:51 a.m.
NEDg Description generation batch_69c788f292a08190bf3543ecfc245d12 completed March 28, 2026, 7:53 a.m.
NED2 Entity disambiguation (via description) batch_69c789a6ea988190ad2db2442f0a5e8f completed March 28, 2026, 7:56 a.m.
Created at: March 27, 2026, 2:37 p.m.