Triple

T12934785
Position Surface form Disambiguated ID Type / Status
Subject Lehman Brothers E309477 entity
Predicate acquiredBy P347 FINISHED
Object Nomura Holdings (Asia-Pacific and European operations)
Nomura Holdings (Asia-Pacific and European operations) is the regional arm of the Japanese financial services group Nomura, providing investment banking, brokerage, and related financial services across Europe and the Asia-Pacific region.
E1010503 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: Nomura Holdings (Asia-Pacific and European operations) | Statement: [Lehman Brothers, acquiredBy, Nomura Holdings (Asia-Pacific and European operations)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nomura Holdings (Asia-Pacific and European operations)
Context triple: [Lehman Brothers, acquiredBy, Nomura Holdings (Asia-Pacific and European operations)]
  • A. Nomura
    Nomura is a Japanese surname borne by numerous notable figures in fields such as business, sports, and the arts.
  • B. Mitsubishi UFJ Financial Group
    Mitsubishi UFJ Financial Group is one of the world’s largest financial institutions, serving as the core banking and financial services arm of the Mitsubishi corporate group in Japan.
  • C. Mitsubishi UFJ Capital
    Mitsubishi UFJ Capital is a Japanese venture capital firm affiliated with the Mitsubishi UFJ Financial Group that invests in startups and growth-stage companies across various industries.
  • D. Sumitomo Mitsui Banking Corporation
    Sumitomo Mitsui Banking Corporation is one of Japan’s largest commercial banks, offering a wide range of corporate, retail, and investment banking services domestically and internationally.
  • E. Nomura Real Estate
    Nomura Real Estate is a major Japanese real estate developer known for office buildings, residential properties, and large-scale urban development projects.
  • 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: Nomura Holdings (Asia-Pacific and European operations)
Triple: [Lehman Brothers, acquiredBy, Nomura Holdings (Asia-Pacific and European operations)]
Generated description
Nomura Holdings (Asia-Pacific and European operations) is the regional arm of the Japanese financial services group Nomura, providing investment banking, brokerage, and related financial services across Europe and the Asia-Pacific region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nomura Holdings (Asia-Pacific and European operations)
Target entity description: Nomura Holdings (Asia-Pacific and European operations) is the regional arm of the Japanese financial services group Nomura, providing investment banking, brokerage, and related financial services across Europe and the Asia-Pacific region.
  • A. Nomura
    Nomura is a Japanese surname borne by numerous notable figures in fields such as business, sports, and the arts.
  • B. Mitsubishi UFJ Financial Group
    Mitsubishi UFJ Financial Group is one of the world’s largest financial institutions, serving as the core banking and financial services arm of the Mitsubishi corporate group in Japan.
  • C. Mitsubishi UFJ Capital
    Mitsubishi UFJ Capital is a Japanese venture capital firm affiliated with the Mitsubishi UFJ Financial Group that invests in startups and growth-stage companies across various industries.
  • D. Sumitomo Mitsui Banking Corporation
    Sumitomo Mitsui Banking Corporation is one of Japan’s largest commercial banks, offering a wide range of corporate, retail, and investment banking services domestically and internationally.
  • E. Nomura Real Estate
    Nomura Real Estate is a major Japanese real estate developer known for office buildings, residential properties, and large-scale urban development projects.
  • 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_69d7bdfa933c8190b5a27aa4a08a19b7 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d97dc6517481908637781da240b51f completed April 10, 2026, 10:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6af6d16388190abc848ac67bf1fb9 completed May 3, 2026, 2:14 a.m.
NEDg Description generation batch_69f6b08df448819080c0a7b0921bcc9f completed May 3, 2026, 2:18 a.m.
NED2 Entity disambiguation (via description) batch_69f6b11ced30819090f67a0b1e1369aa completed May 3, 2026, 2:21 a.m.
Created at: April 9, 2026, 5:42 p.m.