Triple

T12765789
Position Surface form Disambiguated ID Type / Status
Subject Mercer Caverns E305119 entity
Predicate discoveredBy P412 FINISHED
Object Walter J. Mercer
Walter J. Mercer was the discoverer and namesake of Mercer Caverns, a notable limestone cave in California.
 E1194633 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: Walter J. Mercer | Statement: [Mercer Caverns, discoveredBy, Walter J. Mercer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Walter J. Mercer
Context triple: [Mercer Caverns, discoveredBy, Walter J. Mercer]
  • A. George C. Pearce
    George C. Pearce was an early 20th-century American film actor known for his character roles in silent-era dramas.
  • B. Charles R. Fenwick
    Charles R. Fenwick was a Virginia lawyer and long-serving state legislator known for his influence on transportation policy, for whom the Charles R. Fenwick Bridge is named.
  • C. Walter Wyman
    Walter Wyman was an American engineer and power company executive known for his pioneering role in developing hydroelectric power projects in Maine.
  • D. Charles L. Webster
    Charles L. Webster was an American publisher best known as Mark Twain’s nephew and the namesake of Twain’s own publishing firm, Charles L. Webster and Company.
  • E. Bernard P. Fife
    Bernard P. Fife is the full name of Barney Fife, the bumbling yet lovable deputy sheriff character from the classic television series "The Andy Griffith Show."
  • 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: Walter J. Mercer
Triple: [Mercer Caverns, discoveredBy, Walter J. Mercer]
Generated description
Walter J. Mercer was the discoverer and namesake of Mercer Caverns, a notable limestone cave in California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Walter J. Mercer
Target entity description: Walter J. Mercer was the discoverer and namesake of Mercer Caverns, a notable limestone cave in California.
  • A. George C. Pearce
    George C. Pearce was an early 20th-century American film actor known for his character roles in silent-era dramas.
  • B. Charles R. Fenwick
    Charles R. Fenwick was a Virginia lawyer and long-serving state legislator known for his influence on transportation policy, for whom the Charles R. Fenwick Bridge is named.
  • C. Walter Wyman
    Walter Wyman was an American engineer and power company executive known for his pioneering role in developing hydroelectric power projects in Maine.
  • D. Charles L. Webster
    Charles L. Webster was an American publisher best known as Mark Twain’s nephew and the namesake of Twain’s own publishing firm, Charles L. Webster and Company.
  • E. Bernard P. Fife
    Bernard P. Fife is the full name of Barney Fife, the bumbling yet lovable deputy sheriff character from the classic television series "The Andy Griffith Show."
  • 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_69d7bdf1fcd081909ffb0e0d6fa3a07d completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96df1ef148190af525532fcb0933b completed April 10, 2026, 9:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffeb75ea708190a30153c76cde8e79 completed May 10, 2026, 2:20 a.m.
NEDg Description generation batch_69ffec5cc1808190ae622027804b43f2 completed May 10, 2026, 2:24 a.m.
NED2 Entity disambiguation (via description) batch_69ffed56235c8190b2075cce605ecf03 completed May 10, 2026, 2:28 a.m.
Created at: April 9, 2026, 5:28 p.m.