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.