Triple

T6298175
Position Surface form Disambiguated ID Type / Status
Subject Mellon Bank E141182 entity
Predicate hasSubsidiary P254 FINISHED
Object Mellon Financial Corporation
Mellon Financial Corporation was a major American financial services and asset management company that later merged with The Bank of New York to form BNY Mellon.
E141182 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: Mellon Financial Corporation | Statement: [Mellon Bank, hasSubsidiary, Mellon Financial Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mellon Financial Corporation
Context triple: [Mellon Bank, hasSubsidiary, Mellon Financial Corporation]
  • A. Mellon Bank
    Mellon Bank was a major American financial institution founded by industrialist and philanthropist Andrew W. Mellon, known for its significant role in banking and investment services.
  • B. PNC Financial Services
    PNC Financial Services is a major American bank holding company and financial services corporation headquartered in Pittsburgh, Pennsylvania.
  • C. Bank One Corporation
    Bank One Corporation was a major U.S. bank holding company that became one of the nation’s largest banks before its 2004 acquisition by JPMorgan Chase.
  • D. Shawmut Bank
    Shawmut Bank was a major New England-based commercial bank that played a prominent role in regional finance before being acquired in the 1990s.
  • E. State Street Corporation
    State Street Corporation is a major American financial services and bank holding company specializing in investment servicing, investment management, and asset management for institutional investors worldwide.
  • 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: Mellon Financial Corporation
Triple: [Mellon Bank, hasSubsidiary, Mellon Financial Corporation]
Generated description
Mellon Financial Corporation was a major American financial services and asset management company that later merged with The Bank of New York to form BNY Mellon.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mellon Financial Corporation
Target entity description: Mellon Financial Corporation was a major American financial services and asset management company that later merged with The Bank of New York to form BNY Mellon.
  • A. Mellon Bank chosen
    Mellon Bank was a major American financial institution founded by industrialist and philanthropist Andrew W. Mellon, known for its significant role in banking and investment services.
  • B. PNC Financial Services
    PNC Financial Services is a major American bank holding company and financial services corporation headquartered in Pittsburgh, Pennsylvania.
  • C. Bank One Corporation
    Bank One Corporation was a major U.S. bank holding company that became one of the nation’s largest banks before its 2004 acquisition by JPMorgan Chase.
  • D. Shawmut Bank
    Shawmut Bank was a major New England-based commercial bank that played a prominent role in regional finance before being acquired in the 1990s.
  • E. State Street Corporation
    State Street Corporation is a major American financial services and bank holding company specializing in investment servicing, investment management, and asset management for institutional investors worldwide.
  • F. None of above.

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_69c008cf0ad4819095def81e2bd42f9f completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0643bd0748190af7abbebb6f94242 completed March 22, 2026, 9:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69c51993b8ec8190a0813d66851ac201 completed March 26, 2026, 11:33 a.m.
NEDg Description generation batch_69c51eaa277c81908a4566da138c8047 completed March 26, 2026, 11:55 a.m.
NED2 Entity disambiguation (via description) batch_69c51f583f788190ac716a02f584f093 completed March 26, 2026, 11:58 a.m.
Created at: March 22, 2026, 4:27 p.m.