Triple

T6676252
Position Surface form Disambiguated ID Type / Status
Subject Pittsburg, California E151859 entity
Predicate formerName P65 FINISHED
Object Black Diamond
Black Diamond was the historic coal-mining town in Contra Costa County, California, that later became part of the modern city of Pittsburg.
 E611093 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: Black Diamond | Statement: [Pittsburg, California, formerName, Black Diamond]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Black Diamond
Context triple: [Pittsburg, California, formerName, Black Diamond]
  • A. Black Diamond
    Black Diamond was an early steam locomotive associated with the pioneering Stockton and Darlington Railway, one of the first public railways to use steam power for freight and passengers.
  • B. Carbon Glacier
    Carbon Glacier is a major valley glacier on the north slope of Mount Rainier in Washington, notable for its great thickness and low terminus elevation.
  • C. Denali Star
    Denali Star is a flagship Alaska Railroad passenger train that runs seasonally between Anchorage and Fairbanks, offering scenic access to Denali National Park.
  • D. Snow Summit
    Snow Summit is a popular Southern California ski and snowboard resort located in the Big Bear Lake area of the San Bernardino Mountains.
  • E. White Glacier
    White Glacier is a prominent glacier located on Mount Olympus, known for its extensive ice fields and alpine terrain.
  • 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: Black Diamond
Triple: [Pittsburg, California, formerName, Black Diamond]
Generated description
Black Diamond was the historic coal-mining town in Contra Costa County, California, that later became part of the modern city of Pittsburg.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Black Diamond
Target entity description: Black Diamond was the historic coal-mining town in Contra Costa County, California, that later became part of the modern city of Pittsburg.
  • A. Black Diamond
    Black Diamond was an early steam locomotive associated with the pioneering Stockton and Darlington Railway, one of the first public railways to use steam power for freight and passengers.
  • B. Carbon Glacier
    Carbon Glacier is a major valley glacier on the north slope of Mount Rainier in Washington, notable for its great thickness and low terminus elevation.
  • C. Denali Star
    Denali Star is a flagship Alaska Railroad passenger train that runs seasonally between Anchorage and Fairbanks, offering scenic access to Denali National Park.
  • D. Snow Summit
    Snow Summit is a popular Southern California ski and snowboard resort located in the Big Bear Lake area of the San Bernardino Mountains.
  • E. White Glacier
    White Glacier is a prominent glacier located on Mount Olympus, known for its extensive ice fields and alpine terrain.
  • 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_69c687f830bc81909eb8b04dbb8450b1 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6b0f4184481908869354addf4f8c4 completed March 27, 2026, 4:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6f7a57bd88190a423ff7d2139aa51 completed March 27, 2026, 9:33 p.m.
NEDg Description generation batch_69c6f8946b2c8190b18edff8523cf565 completed March 27, 2026, 9:37 p.m.
NED2 Entity disambiguation (via description) batch_69c6f96c215081909e9d7a6e0a811f18 completed March 27, 2026, 9:41 p.m.
Created at: March 27, 2026, 2:03 p.m.