Triple

T4202395
Position Surface form Disambiguated ID Type / Status
Subject Solomon Lefschetz E86097 entity
Predicate notableStudent P4838 FINISHED
Object Norman Steenrod
Norman Steenrod was an influential American mathematician best known for his foundational work in algebraic topology, including the development of Steenrod squares and contributions to cohomology theory.
 E422977 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: Norman Steenrod | Statement: [Solomon Lefschetz, notableStudent, Norman Steenrod]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Norman Steenrod
Context triple: [Solomon Lefschetz, notableStudent, Norman Steenrod]
  • A. Hassler Whitney
    Hassler Whitney was an influential American mathematician known for foundational contributions to differential topology and geometry, including work on manifolds, embeddings, and singularities.
  • B. Samuel Eilenberg
    Samuel Eilenberg was a Polish-American mathematician renowned for his foundational work in algebraic topology and category theory, including the development of Eilenberg–MacLane spaces and homological algebra.
  • C. Heinz Hopf
    Heinz Hopf was a German mathematician renowned for his foundational contributions to topology, including the Hopf fibration and Hopf invariant.
  • D. John Milnor
    John Milnor is an American mathematician renowned for his groundbreaking work in differential topology, K-theory, and dynamical systems, and is one of the most influential figures in modern mathematics.
  • E. Isadore Singer
    Isadore Singer was an American mathematician renowned for co-formulating the Atiyah–Singer Index Theorem, a foundational result linking analysis, topology, and geometry.
  • 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: Norman Steenrod
Triple: [Solomon Lefschetz, notableStudent, Norman Steenrod]
Generated description
Norman Steenrod was an influential American mathematician best known for his foundational work in algebraic topology, including the development of Steenrod squares and contributions to cohomology theory.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Norman Steenrod
Target entity description: Norman Steenrod was an influential American mathematician best known for his foundational work in algebraic topology, including the development of Steenrod squares and contributions to cohomology theory.
  • A. Hassler Whitney
    Hassler Whitney was an influential American mathematician known for foundational contributions to differential topology and geometry, including work on manifolds, embeddings, and singularities.
  • B. Samuel Eilenberg
    Samuel Eilenberg was a Polish-American mathematician renowned for his foundational work in algebraic topology and category theory, including the development of Eilenberg–MacLane spaces and homological algebra.
  • C. Heinz Hopf
    Heinz Hopf was a German mathematician renowned for his foundational contributions to topology, including the Hopf fibration and Hopf invariant.
  • D. John Milnor
    John Milnor is an American mathematician renowned for his groundbreaking work in differential topology, K-theory, and dynamical systems, and is one of the most influential figures in modern mathematics.
  • E. Isadore Singer
    Isadore Singer was an American mathematician renowned for co-formulating the Atiyah–Singer Index Theorem, a foundational result linking analysis, topology, and geometry.
  • 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_69aed93b89f48190a31f6d57c760e42f completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af037f1de4819088d6bf544317a694 completed March 9, 2026, 5:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5962296b8819084b91de3f48b7658 completed March 14, 2026, 5:08 p.m.
NEDg Description generation batch_69b59a25a5bc8190a75c146bba994db1 completed March 14, 2026, 5:25 p.m.
NED2 Entity disambiguation (via description) batch_69b59e129d50819093836d446aa5a6d0 completed March 14, 2026, 5:42 p.m.
Created at: March 9, 2026, 3:49 p.m.