Triple

T14445433
Position Surface form Disambiguated ID Type / Status
Subject Shearson Loeb Rhoades E358192 entity
Predicate successor P78 FINISHED
Object Shearson Lehman Brothers
Shearson Lehman Brothers was a major American investment banking and brokerage firm that became one of Wall Street’s largest financial institutions during the 1980s and early 1990s.
 E358192 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: Shearson Lehman Brothers | Statement: [Shearson Loeb Rhoades, successor, Shearson Lehman Brothers]

Disambiguation candidates (2 decisions)

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: Shearson Lehman Brothers
Context triple: [Shearson Loeb Rhoades, successor, Shearson Lehman Brothers]
  • A. Shearson Loeb Rhoades
    Shearson Loeb Rhoades was a major American investment banking and brokerage firm that became one of Wall Street’s largest retail brokerage houses before being acquired and absorbed through a series of financial industry mergers.
  • B. Salomon Brothers
    Salomon Brothers was a prominent Wall Street investment bank known for its influential role in the bond market and its aggressive trading culture in the late 20th century.
  • 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. Drexel Burnham Lambert
    Drexel Burnham Lambert was a prominent Wall Street investment bank best known for its role in the 1980s junk bond market and its subsequent high-profile collapse.
  • E. PaineWebber
    PaineWebber was a major American brokerage and investment banking firm that became one of Wall Street’s prominent financial services companies before its eventual acquisition by UBS.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Shearson Lehman Brothers
Target entity description: Shearson Lehman Brothers was a major American investment banking and brokerage firm that became one of Wall Street’s largest financial institutions during the 1980s and early 1990s.
  • A. Shearson Loeb Rhoades chosen
    Shearson Loeb Rhoades was a major American investment banking and brokerage firm that became one of Wall Street’s largest retail brokerage houses before being acquired and absorbed through a series of financial industry mergers.
  • B. Salomon Brothers
    Salomon Brothers was a prominent Wall Street investment bank known for its influential role in the bond market and its aggressive trading culture in the late 20th century.
  • 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. Drexel Burnham Lambert
    Drexel Burnham Lambert was a prominent Wall Street investment bank best known for its role in the 1980s junk bond market and its subsequent high-profile collapse.
  • E. PaineWebber
    PaineWebber was a major American brokerage and investment banking firm that became one of Wall Street’s prominent financial services companies before its eventual acquisition by UBS.
  • F. None of above.

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Shearson Lehman Brothers
Triple: [Shearson Loeb Rhoades, successor, Shearson Lehman Brothers]
Generated description
Shearson Lehman Brothers was a major American investment banking and brokerage firm that became one of Wall Street’s largest financial institutions during the 1980s and early 1990s.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d82794dfa081909b9134ad2e32244b elicitation completed
NER batch_69de915e76f481909fe9462f964b5b1c ner completed
NED1 batch_69fd7a39d55c8190bbc7b76fab6b8b39 ned_source_triple completed
NED2 batch_69fd7b1757e88190a90c671ffe6ce978 ned_description completed
NEDg batch_69fd7ad02938819089b7d9a83c9006d3 nedg completed
Created at: April 10, 2026, 1:19 a.m.