Triple

T13167841
Position Surface form Disambiguated ID Type / Status
Subject Penn Square station E312899 entity
Predicate connectedTo P37 FINISHED
Object Subway–Surface trolley concourse
The Subway–Surface trolley concourse is an underground transit hub in Center City Philadelphia that facilitates transfers between the city’s subway and trolley lines.
E1025425 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: Subway–Surface trolley concourse | Statement: [Penn Square station, connectedTo, Subway–Surface trolley concourse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Subway–Surface trolley concourse
Context triple: [Penn Square station, connectedTo, Subway–Surface trolley concourse]
  • A. Concourse B Station
    Concourse B Station is an AeroTrain passenger rail stop serving Concourse B at Washington Dulles International Airport, providing automated transit between terminals.
  • B. Concourse B
    Concourse B is one of the passenger terminal concourses at Gerald R. Ford International Airport in Grand Rapids, Michigan, serving airline gates and related airport facilities.
  • C. Concourse B
    Concourse B is a passenger boarding area within Terminal B at New York’s LaGuardia Airport, serving multiple airline gates and amenities.
  • D. Concourse B
    Concourse B is one of the passenger terminal concourses at Richmond International Airport, serving airline gates and related airport facilities.
  • E. Concourse B
    Concourse B is one of the passenger terminal concourses at Dane County Regional Airport in Madison, Wisconsin, serving airline gates and related airport facilities.
  • 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: Subway–Surface trolley concourse
Triple: [Penn Square station, connectedTo, Subway–Surface trolley concourse]
Generated description
The Subway–Surface trolley concourse is an underground transit hub in Center City Philadelphia that facilitates transfers between the city’s subway and trolley lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Subway–Surface trolley concourse
Target entity description: The Subway–Surface trolley concourse is an underground transit hub in Center City Philadelphia that facilitates transfers between the city’s subway and trolley lines.
  • A. Concourse B Station
    Concourse B Station is an AeroTrain passenger rail stop serving Concourse B at Washington Dulles International Airport, providing automated transit between terminals.
  • B. Concourse B
    Concourse B is a major passenger terminal concourse at Dubai International Airport, primarily serving international flights and offering extensive shopping, dining, and lounge facilities.
  • C. Concourse B
    Concourse B is one of the passenger terminal concourses at Gerald R. Ford International Airport in Grand Rapids, Michigan, serving airline gates and related airport facilities.
  • D. Concourse B
    Concourse B is a passenger boarding area within Terminal B at New York’s LaGuardia Airport, serving multiple airline gates and amenities.
  • E. Concourse B
    Concourse B is one of the passenger terminal concourses at Richmond International Airport, serving airline gates and related airport facilities.
  • 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_69d806ac3ee081909b2fd27d060aa974 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98c2c317881908cc715c97d915f77 completed April 10, 2026, 11:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6eaf92c1881909d387dcf50d8d09f completed May 3, 2026, 6:28 a.m.
NEDg Description generation batch_69f6f11b77a081909ea2ddedbac5abb8 completed May 3, 2026, 6:54 a.m.
NED2 Entity disambiguation (via description) batch_69f6f1b5c67c8190a2216ef32c5420c9 completed May 3, 2026, 6:56 a.m.
Created at: April 9, 2026, 9:13 p.m.