Triple

T4221
Position Surface form Disambiguated ID Type / Status
Subject University City, Philadelphia E81 entity
Predicate hasTransitHub P105 FINISHED
Object 30th Street Station
30th Street Station is a major intercity and regional rail hub in Philadelphia, serving Amtrak, SEPTA, and NJ Transit and connecting the city to destinations across the Northeast and beyond.
E1854 NE FINISHED

How this triple was built (5 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: 30th Street Station | Statement: [University City, Philadelphia, hasTransitHub, 30th Street Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 30th Street Station
Context triple: [University City, Philadelphia, hasTransitHub, 30th Street Station]
  • A. Union Station
    Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
  • B. SEPTA Market–Frankford Line
    The SEPTA Market–Frankford Line is a major rapid transit route in Philadelphia that runs east–west across the city, connecting key neighborhoods and commercial districts.
  • C. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • D. Hollywood/Highland station
    Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
  • E. Waverley station
    Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
  • 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: 30th Street Station
Triple: [University City, Philadelphia, hasTransitHub, 30th Street Station]
Generated description
30th Street Station is a major intercity and regional rail hub in Philadelphia, serving Amtrak, SEPTA, and NJ Transit and connecting the city to destinations across the Northeast and beyond.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 30th Street Station
Target entity description: 30th Street Station is a major intercity and regional rail hub in Philadelphia, serving Amtrak, SEPTA, and NJ Transit and connecting the city to destinations across the Northeast and beyond.
  • A. Union Station
    Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
  • B. SEPTA Market–Frankford Line
    The SEPTA Market–Frankford Line is a major rapid transit route in Philadelphia that runs east–west across the city, connecting key neighborhoods and commercial districts.
  • C. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • D. Hollywood/Highland station
    Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
  • E. Waverley station
    Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasTransitHub
Context triple: [University City, Philadelphia, hasTransitHub, 30th Street Station]
  • A. hasMajorAirport
    Indicates that a location possesses at least one significant airport that serves as a primary hub for air travel in that area.
  • B. hasMajorCity
    Indicates that a location possesses at least one city of significant size, importance, or influence within its region or country.
  • C. hasNotableFacility chosen
    Indicates that an entity possesses or hosts a facility that is of particular significance, prominence, or interest.
  • D. hasBorough
    Indicates that one entity is located within, belongs to, or is administratively part of a specific borough.
  • E. hasRegion
    Indicates that an entity includes, contains, or is associated with a specific geographic or administrative region as part of its scope or structure.
  • F. None of above.

Provenance (6 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_69a238d6b47881909e68288aed2fd858 completed Feb. 28, 2026, 12:37 a.m.
NER Named-entity recognition batch_69a23c24b3d08190a714126292fd5479 completed Feb. 28, 2026, 12:51 a.m.
NED1 Entity disambiguation (via context triple) batch_69a248d31b848190bad943bca271fca0 completed Feb. 28, 2026, 1:45 a.m.
NEDg Description generation batch_69a2496e8d8081908224d3b8c8e9281f completed Feb. 28, 2026, 1:48 a.m.
NED2 Entity disambiguation (via description) batch_69a24a20f1608190afcf1281c34eea76 completed Feb. 28, 2026, 1:51 a.m.
PD Predicate disambiguation batch_69a23998af288190855f0456740cbd51 completed Feb. 28, 2026, 12:40 a.m.
Created at: Feb. 28, 2026, 12:40 a.m.