Triple

T53127
Position Surface form Disambiguated ID Type / Status
Subject Upper Falls, Newton E1045 entity
Predicate hasLandmark P105 FINISHED
Object Echo Bridge
Echo Bridge is a historic 19th-century stone arch aqueduct and pedestrian bridge spanning the Charles River between Newton and Needham, Massachusetts.
E30331 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: Echo Bridge | Statement: [Upper Falls, Newton, hasLandmark, Echo Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Echo Bridge
Context triple: [Upper Falls, Newton, hasLandmark, Echo Bridge]
  • A. Grand Bridge
    The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
  • B. Mystic River Bridge
    The Mystic River Bridge, officially known as the Maurice J. Tobin Memorial Bridge, is a major steel cantilever roadway bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • C. Tobin Bridge
    The Tobin Bridge is a major steel cantilever bridge in the Boston area that carries U.S. Route 1 over the Mystic River, connecting Boston and Chelsea, Massachusetts.
  • D. Son bridge
    Son bridge is a strategically important bridge in the Netherlands that played a crucial role during the World War II Allied offensive known as Operation Market Garden.
  • E. Broadway Bridge
    The Broadway Bridge is a movable bridge in New York City that carries Broadway and the subway across the Harlem River 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: Echo Bridge
Triple: [Upper Falls, Newton, hasLandmark, Echo Bridge]
Generated description
Echo Bridge is a historic 19th-century stone arch aqueduct and pedestrian bridge spanning the Charles River between Newton and Needham, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Echo Bridge
Target entity description: Echo Bridge is a historic 19th-century stone arch aqueduct and pedestrian bridge spanning the Charles River between Newton and Needham, Massachusetts.
  • A. Grand Bridge
    The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
  • B. Mystic River Bridge
    The Mystic River Bridge, officially known as the Maurice J. Tobin Memorial Bridge, is a major steel cantilever roadway bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • C. Tobin Bridge
    The Tobin Bridge is a major steel cantilever bridge in the Boston area that carries U.S. Route 1 over the Mystic River, connecting Boston and Chelsea, Massachusetts.
  • D. Son bridge
    Son bridge is a strategically important bridge in the Netherlands that played a crucial role during the World War II Allied offensive known as Operation Market Garden.
  • E. Broadway Bridge
    The Broadway Bridge is a movable bridge in New York City that carries Broadway and the subway across the Harlem River 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_69a2480baefc81909951b14058479aa2 completed Feb. 28, 2026, 1:42 a.m.
NER Named-entity recognition batch_69a24b04ef708190876686da9db1f04d completed Feb. 28, 2026, 1:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69a36729974c819091d999022059c4a7 completed Feb. 28, 2026, 10:07 p.m.
NEDg Description generation batch_69a367a0e2c88190bd1671f69a2cbf38 completed Feb. 28, 2026, 10:09 p.m.
NED2 Entity disambiguation (via description) batch_69a367fab3408190865f50c240379d41 completed Feb. 28, 2026, 10:11 p.m.
Created at: Feb. 28, 2026, 1:47 a.m.