Triple

T3966931
Position Surface form Disambiguated ID Type / Status
Subject Maryland Transportation Authority E92238 entity
Predicate operates P24 FINISHED
Object Thomas J. Hatem Memorial Bridge
The Thomas J. Hatem Memorial Bridge is a toll bridge carrying U.S. Route 40 across the Susquehanna River in northeastern Maryland, serving as a key transportation link between Harford and Cecil counties.
 E580726 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: Thomas J. Hatem Memorial Bridge | Statement: [Maryland Transportation Authority, operates, Thomas J. Hatem Memorial Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Thomas J. Hatem Memorial Bridge
Context triple: [Maryland Transportation Authority, operates, Thomas J. Hatem 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. John P. Grace Memorial Bridge
    The John P. Grace Memorial Bridge was a cantilever truss bridge in Charleston, South Carolina, that carried U.S. Route 17 and served as a primary crossing between Charleston and Mount Pleasant for much of the 20th century.
  • C. Glenn L. Jackson Memorial Bridge
    The Glenn L. Jackson Memorial Bridge is a major concrete segmental bridge carrying traffic across the Columbia River between Oregon and Washington as part of the Portland metropolitan highway system.
  • D. John F. McCarthy Memorial Bridge
    The John F. McCarthy Memorial Bridge is a major toll bridge in the San Francisco Bay Area that carries Interstate 580 across San Francisco Bay between Richmond and San Rafael, California.
  • E. Homer M. Hadley Memorial Bridge
    The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
  • 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: Thomas J. Hatem Memorial Bridge
Triple: [Maryland Transportation Authority, operates, Thomas J. Hatem Memorial Bridge]
Generated description
The Thomas J. Hatem Memorial Bridge is a toll bridge carrying U.S. Route 40 across the Susquehanna River in northeastern Maryland, serving as a key transportation link between Harford and Cecil counties.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Thomas J. Hatem Memorial Bridge
Target entity description: The Thomas J. Hatem Memorial Bridge is a toll bridge carrying U.S. Route 40 across the Susquehanna River in northeastern Maryland, serving as a key transportation link between Harford and Cecil counties.
  • 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. John P. Grace Memorial Bridge
    The John P. Grace Memorial Bridge was a cantilever truss bridge in Charleston, South Carolina, that carried U.S. Route 17 and served as a primary crossing between Charleston and Mount Pleasant for much of the 20th century.
  • C. Glenn L. Jackson Memorial Bridge
    The Glenn L. Jackson Memorial Bridge is a major concrete segmental bridge carrying traffic across the Columbia River between Oregon and Washington as part of the Portland metropolitan highway system.
  • D. John F. McCarthy Memorial Bridge
    The John F. McCarthy Memorial Bridge is a major toll bridge in the San Francisco Bay Area that carries Interstate 580 across San Francisco Bay between Richmond and San Rafael, California.
  • E. Homer M. Hadley Memorial Bridge
    The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
  • 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_69aed96624188190ac8c45bb57ab72b5 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aef976f4fc8190b2c16ab62c19cdb8 completed March 9, 2026, 4:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69c2437136f48190b34454ce77397daf completed March 24, 2026, 7:55 a.m.
NEDg Description generation batch_69c4fb66b8e8819090524d1ef12688a7 completed March 26, 2026, 9:24 a.m.
NED2 Entity disambiguation (via description) batch_69c4fc3065bc81908d95fbd3d4655c76 completed March 26, 2026, 9:28 a.m.
Created at: March 9, 2026, 3:32 p.m.