Triple

T1147192
Position Surface form Disambiguated ID Type / Status
Subject Cumberland Valley Railroad E23591 entity
Predicate servedCity P3936 FINISHED
Object Greencastle, Pennsylvania
Greencastle, Pennsylvania is a small historic borough in Franklin County known for its 19th-century roots as a transportation and commercial hub in south-central Pennsylvania.
E214362 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: Greencastle, Pennsylvania | Statement: [Cumberland Valley Railroad, servedCity, Greencastle, Pennsylvania]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Greencastle, Pennsylvania
Context triple: [Cumberland Valley Railroad, servedCity, Greencastle, Pennsylvania]
  • A. Carlisle, Pennsylvania
    Carlisle, Pennsylvania is a historic borough in south-central Pennsylvania known for its role in the American Revolutionary War, its colonial heritage, and as the home of Dickinson College and the U.S. Army War College.
  • B. Shippensburg, Pennsylvania
    Shippensburg, Pennsylvania is a small borough in Cumberland and Franklin counties known for its historic role in regional rail transport and as the home of Shippensburg University.
  • C. Chambersburg, Pennsylvania
    Chambersburg, Pennsylvania is a historic borough and county seat of Franklin County known for its role in the American Civil War and its location near the Cumberland Valley in south-central Pennsylvania.
  • D. Mount Pleasant, Pennsylvania
    Mount Pleasant, Pennsylvania is a small borough in Westmoreland County known historically for its coal mining and glass manufacturing industries.
  • E. Greensburg, Pennsylvania
    Greensburg, Pennsylvania is a small city in southwestern Pennsylvania known as a regional center for education, culture, and commerce within the Pittsburgh metropolitan area.
  • 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: Greencastle, Pennsylvania
Triple: [Cumberland Valley Railroad, servedCity, Greencastle, Pennsylvania]
Generated description
Greencastle, Pennsylvania is a small historic borough in Franklin County known for its 19th-century roots as a transportation and commercial hub in south-central Pennsylvania.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Greencastle, Pennsylvania
Target entity description: Greencastle, Pennsylvania is a small historic borough in Franklin County known for its 19th-century roots as a transportation and commercial hub in south-central Pennsylvania.
  • A. Carlisle, Pennsylvania
    Carlisle, Pennsylvania is a historic borough in south-central Pennsylvania known for its role in the American Revolutionary War, its colonial heritage, and as the home of Dickinson College and the U.S. Army War College.
  • B. Shippensburg, Pennsylvania
    Shippensburg, Pennsylvania is a small borough in Cumberland and Franklin counties known for its historic role in regional rail transport and as the home of Shippensburg University.
  • C. Chambersburg, Pennsylvania
    Chambersburg, Pennsylvania is a historic borough and county seat of Franklin County known for its role in the American Civil War and its location near the Cumberland Valley in south-central Pennsylvania.
  • D. Mount Pleasant, Pennsylvania
    Mount Pleasant, Pennsylvania is a small borough in Westmoreland County known historically for its coal mining and glass manufacturing industries.
  • E. Greensburg, Pennsylvania
    Greensburg, Pennsylvania is a small city in southwestern Pennsylvania known as a regional center for education, culture, and commerce within the Pittsburgh metropolitan area.
  • 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_69a493ef399c8190b04b9146d2314f59 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4bc7041248190893e4c655dbd0604 completed March 1, 2026, 10:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69adf3a85f8481908d93f60b0ae82901 completed March 8, 2026, 10:09 p.m.
NEDg Description generation batch_69adf431c3a88190971f61d53c2bad2e completed March 8, 2026, 10:12 p.m.
NED2 Entity disambiguation (via description) batch_69adf4bdb6dc8190964e5e78abfb8e40 completed March 8, 2026, 10:14 p.m.
Created at: March 1, 2026, 7:44 p.m.