Triple

T2665917
Position Surface form Disambiguated ID Type / Status
Subject Trenton Transit Center E55634 entity
Predicate servedByService P1294 FINISHED
Object Amtrak Pennsylvanian
Amtrak Pennsylvanian is a daily intercity passenger train operated by Amtrak between New York City and Pittsburgh, Pennsylvania, via Philadelphia and Harrisburg.
E304177 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: Amtrak Pennsylvanian | Statement: [Trenton Transit Center, servedByService, Amtrak Pennsylvanian]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Pennsylvanian
Context triple: [Trenton Transit Center, servedByService, Amtrak Pennsylvanian]
  • A. Amtrak Crescent
    Amtrak Crescent is a long-distance passenger train operated by Amtrak that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
  • B. Amtrak Lake Shore Limited
    Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
  • C. Amtrak Valley Flyer
    Amtrak Valley Flyer is a regional passenger rail service operated by Amtrak in New England, providing connections between western Massachusetts and central Connecticut as part of the broader Northeast rail network.
  • D. Amtrak Keystone Service
    Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
  • E. Amtrak Silver Star
    Amtrak Silver Star is a long-distance passenger train operated by Amtrak that runs between New York City and Miami, serving major cities along the U.S. East Coast.
  • 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: Amtrak Pennsylvanian
Triple: [Trenton Transit Center, servedByService, Amtrak Pennsylvanian]
Generated description
Amtrak Pennsylvanian is a daily intercity passenger train operated by Amtrak between New York City and Pittsburgh, Pennsylvania, via Philadelphia and Harrisburg.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Amtrak Pennsylvanian
Target entity description: Amtrak Pennsylvanian is a daily intercity passenger train operated by Amtrak between New York City and Pittsburgh, Pennsylvania, via Philadelphia and Harrisburg.
  • A. Amtrak Crescent
    Amtrak Crescent is a long-distance passenger train operated by Amtrak that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
  • B. Amtrak Lake Shore Limited
    Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
  • C. Amtrak Valley Flyer
    Amtrak Valley Flyer is a regional passenger rail service operated by Amtrak in New England, providing connections between western Massachusetts and central Connecticut as part of the broader Northeast rail network.
  • D. Amtrak Keystone Service
    Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
  • E. Amtrak Silver Star
    Amtrak Silver Star is a long-distance passenger train operated by Amtrak that runs between New York City and Miami, serving major cities along the U.S. East Coast.
  • 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_69ab49e54de48190be708cd1cf8be073 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd96ed2748190a4feae98199b459d completed March 7, 2026, 7:53 a.m.
NED1 Entity disambiguation (via context triple) batch_69afe88d510c81908cdd3337e0eaca2c completed March 10, 2026, 9:46 a.m.
NEDg Description generation batch_69afe9d87eac8190a9373abab608f088 completed March 10, 2026, 9:52 a.m.
NED2 Entity disambiguation (via description) batch_69b00dff7bcc81909b578e7209850b17 completed March 10, 2026, 12:26 p.m.
Created at: March 6, 2026, 9:54 p.m.