Triple

T2908957
Position Surface form Disambiguated ID Type / Status
Subject Bear Stearns E63634 entity
Predicate notableCompetitor P11706 FINISHED
Object Lehman Brothers
Lehman Brothers was a major global investment bank whose 2008 bankruptcy became a central event in the global financial crisis.
E309477 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: Lehman Brothers | Statement: [Bear Stearns, notableCompetitor, Lehman Brothers]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lehman Brothers
Context triple: [Bear Stearns, notableCompetitor, Lehman Brothers]
  • A. Bear Stearns
    Bear Stearns was a major American investment bank and brokerage firm that collapsed during the 2008 financial crisis and was acquired by JPMorgan Chase.
  • B. Washington Mutual
    Washington Mutual was a former major U.S. savings and loan association that became the largest bank failure in American history during the 2008 financial crisis.
  • C. Enron
    Enron was a major American energy company that became infamous for one of the largest corporate frauds and bankruptcies in history, leading to sweeping reforms in financial regulation and corporate governance.
  • D. 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.
  • E. Brown Brothers Harriman & Co.
    Brown Brothers Harriman & Co. is a long-established American private investment bank and financial services firm known for its influential role in U.S. and global finance.
  • 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: Lehman Brothers
Triple: [Bear Stearns, notableCompetitor, Lehman Brothers]
Generated description
Lehman Brothers was a major global investment bank whose 2008 bankruptcy became a central event in the global financial crisis.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lehman Brothers
Target entity description: Lehman Brothers was a major global investment bank whose 2008 bankruptcy became a central event in the global financial crisis.
  • A. Bear Stearns
    Bear Stearns was a major American investment bank and brokerage firm that collapsed during the 2008 financial crisis and was acquired by JPMorgan Chase.
  • B. Washington Mutual
    Washington Mutual was a former major U.S. savings and loan association that became the largest bank failure in American history during the 2008 financial crisis.
  • C. Enron
    Enron was a major American energy company that became infamous for one of the largest corporate frauds and bankruptcies in history, leading to sweeping reforms in financial regulation and corporate governance.
  • D. 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.
  • E. Brown Brothers Harriman & Co.
    Brown Brothers Harriman & Co. is a long-established American private investment bank and financial services firm known for its influential role in U.S. and global finance.
  • 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_69ab4c44ab448190b9411324e8a1fc1d completed March 6, 2026, 9:51 p.m.
NER Named-entity recognition batch_69abe0d329c88190b6fcaef0be1799eb completed March 7, 2026, 8:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69b056173a988190be02619d909cdb25 completed March 10, 2026, 5:34 p.m.
NEDg Description generation batch_69b05f640afc8190bf9b5b90ff7c9b0e completed March 10, 2026, 6:13 p.m.
NED2 Entity disambiguation (via description) batch_69b06010c1948190a2e13084a79b106b completed March 10, 2026, 6:16 p.m.
Created at: March 6, 2026, 10:11 p.m.