Triple

T9800509
Position Surface form Disambiguated ID Type / Status
Subject Dean Witter Financial Services Group E237824 entity
Predicate partOf P40 FINISHED
Object Morgan Stanley (after merger) E99565 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Morgan Stanley (after merger) | Statement: [Dean Witter Financial Services Group, partOf, Morgan Stanley (after merger)]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Morgan Stanley (after merger)
Context triple: [Dean Witter Financial Services Group, partOf, Morgan Stanley (after merger)]
  • A. Morgan Stanley chosen
    Morgan Stanley is a leading global financial services firm known for its investment banking, securities, wealth management, and investment management services.
  • B. Goldman Sachs
    Goldman Sachs is a leading global investment banking, securities, and asset management firm headquartered in New York City.
  • C. Merrill Lynch
    Merrill Lynch is a major American wealth management and investment banking firm known for its brokerage services and role in global financial markets.
  • D. Dean Witter Financial Services Group
    Dean Witter Financial Services Group was a major American financial services and brokerage firm that became best known as the predecessor to Discover Financial Services and later part of Morgan Stanley.
  • E. Citigroup
    Citigroup is a major American multinational investment bank and financial services corporation headquartered in New York City.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69ca84dd4608819097ff4ed00feca280 elicitation completed
NER batch_69cda62a11a88190880e0cce24923b14 ner completed
NED1 batch_69d1cc53c3dc819084a4d8b72164a172 ned_source_triple completed
Created at: March 30, 2026, 8:29 p.m.