Triple

T17716891
Position Surface form Disambiguated ID Type / Status
Subject PBAY E442222 entity
Predicate usedIn P98 FINISHED
Object BART mapping and wayfinding systems
BART mapping and wayfinding systems are the visual and informational tools—such as maps, signage, and directional guides—used to help riders navigate the Bay Area Rapid Transit network.
E1283600 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: BART mapping and wayfinding systems | Statement: [PBAY, usedIn, BART mapping and wayfinding systems]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BART mapping and wayfinding systems
Context triple: [PBAY, usedIn, BART mapping and wayfinding systems]
  • A. BART distance-based fare system
    The BART distance-based fare system is a pricing structure for the Bay Area Rapid Transit network in which riders are charged according to the length of their trip rather than a flat fare.
  • B. Dual System of Rapid Transit
    The Dual System of Rapid Transit was an early 20th-century expansion and unification plan for New York City's subway network, implemented through joint contracts between the city and private transit companies.
  • C. PATH rapid transit system
    The PATH rapid transit system is a commuter rail network linking Manhattan in New York City with neighboring cities in northern New Jersey.
  • D. Plane Train automated people mover system
    The Plane Train automated people mover system is an underground train network at Hartsfield–Jackson Atlanta International Airport that transports passengers quickly between its concourses and terminals.
  • E. Lee Navigation system
    The Lee Navigation system is a network of canalised river channels and locks in northeast London and Hertfordshire that provides a navigable route along the River Lee (Lea) for boats and water management.
  • 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: BART mapping and wayfinding systems
Triple: [PBAY, usedIn, BART mapping and wayfinding systems]
Generated description
BART mapping and wayfinding systems are the visual and informational tools—such as maps, signage, and directional guides—used to help riders navigate the Bay Area Rapid Transit network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BART mapping and wayfinding systems
Target entity description: BART mapping and wayfinding systems are the visual and informational tools—such as maps, signage, and directional guides—used to help riders navigate the Bay Area Rapid Transit network.
  • A. BART distance-based fare system
    The BART distance-based fare system is a pricing structure for the Bay Area Rapid Transit network in which riders are charged according to the length of their trip rather than a flat fare.
  • B. Dual System of Rapid Transit
    The Dual System of Rapid Transit was an early 20th-century expansion and unification plan for New York City's subway network, implemented through joint contracts between the city and private transit companies.
  • C. PATH rapid transit system
    The PATH rapid transit system is a commuter rail network linking Manhattan in New York City with neighboring cities in northern New Jersey.
  • D. Plane Train automated people mover system
    The Plane Train automated people mover system is an underground train network at Hartsfield–Jackson Atlanta International Airport that transports passengers quickly between its concourses and terminals.
  • E. Lee Navigation system
    The Lee Navigation system is a network of canalised river channels and locks in northeast London and Hertfordshire that provides a navigable route along the River Lee (Lea) for boats and water management.
  • 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_69d8b9ec79688190b86bdcef85a7b3aa completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e47481663c8190a1110385e5596ab0 completed April 19, 2026, 6:21 a.m.
NED1 Entity disambiguation (via context triple) batch_6a02302bd9b08190979ee441035b17bb completed May 11, 2026, 7:38 p.m.
NEDg Description generation batch_6a023192ea9c819096bf6ed8952f21c4 completed May 11, 2026, 7:44 p.m.
NED2 Entity disambiguation (via description) batch_6a02321a9c6c8190a86ebfdcfa32f786 completed May 11, 2026, 7:46 p.m.
Created at: April 10, 2026, 10:06 a.m.