Triple

T4259223
Position Surface form Disambiguated ID Type / Status
Subject David B. Steinman E96061 entity
Predicate notableWork P4 FINISHED
Object Walnut Lane Memorial Bridge
Walnut Lane Memorial Bridge is a historic steel arch bridge in Philadelphia, Pennsylvania, recognized as one of David B. Steinman’s early landmark engineering works.
E621290 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: Walnut Lane Memorial Bridge | Statement: [David B. Steinman, notableWork, Walnut Lane Memorial Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Walnut Lane Memorial Bridge
Context triple: [David B. Steinman, notableWork, Walnut Lane Memorial Bridge]
  • A. Harry W. Nice Memorial Bridge
    The Harry W. Nice Memorial Bridge is a major highway bridge carrying U.S. Route 301 across the Potomac River between Maryland and Virginia.
  • B. Warren Avenue Bridge
    The Warren Avenue Bridge is a significant roadway bridge in Bremerton, Washington, carrying traffic across the Port Washington Narrows and connecting key parts of the city.
  • C. Lafayette Avenue Bridge
    The Lafayette Avenue Bridge is a bascule drawbridge in Bay City, Michigan, that carries Lafayette Avenue across the Saginaw River and serves as a key local transportation link.
  • D. George P. Coleman Memorial Bridge
    The George P. Coleman Memorial Bridge is a major double-swing toll bridge in eastern Virginia that carries U.S. Route 17 across the York River, linking the Virginia Peninsula with Gloucester County.
  • E. Willis Avenue Bridge
    The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
  • 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: Walnut Lane Memorial Bridge
Triple: [David B. Steinman, notableWork, Walnut Lane Memorial Bridge]
Generated description
Walnut Lane Memorial Bridge is a historic steel arch bridge in Philadelphia, Pennsylvania, recognized as one of David B. Steinman’s early landmark engineering works.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Walnut Lane Memorial Bridge
Target entity description: Walnut Lane Memorial Bridge is a historic steel arch bridge in Philadelphia, Pennsylvania, recognized as one of David B. Steinman’s early landmark engineering works.
  • A. Harry W. Nice Memorial Bridge
    The Harry W. Nice Memorial Bridge is a major highway bridge carrying U.S. Route 301 across the Potomac River between Maryland and Virginia.
  • B. Warren Avenue Bridge
    The Warren Avenue Bridge is a significant roadway bridge in Bremerton, Washington, carrying traffic across the Port Washington Narrows and connecting key parts of the city.
  • C. Lafayette Avenue Bridge
    The Lafayette Avenue Bridge is a bascule drawbridge in Bay City, Michigan, that carries Lafayette Avenue across the Saginaw River and serves as a key local transportation link.
  • D. George P. Coleman Memorial Bridge
    The George P. Coleman Memorial Bridge is a major double-swing toll bridge in eastern Virginia that carries U.S. Route 17 across the York River, linking the Virginia Peninsula with Gloucester County.
  • E. Willis Avenue Bridge
    The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
  • 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_69b3454095ac81909c2494f7ff294af1 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b34f7fe7348190baed8d214268b756 completed March 12, 2026, 11:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7239e1ea481908c64d8a2d600aa30 completed March 28, 2026, 12:41 a.m.
NEDg Description generation batch_69c724d740588190a4ed1aa532ee7335 completed March 28, 2026, 12:46 a.m.
NED2 Entity disambiguation (via description) batch_69c725aedfd0819097ae603cc49ff9a8 completed March 28, 2026, 12:49 a.m.
Created at: March 12, 2026, 11:06 p.m.