Triple

T21352771
Position Surface form Disambiguated ID Type / Status
Subject Wells, Maine E526530 entity
Predicate hasRailStation P726 FINISHED
Object Wells Regional Transportation Center
Wells Regional Transportation Center is an intermodal passenger rail and bus station in Wells, Maine, serving Amtrak’s Downeaster and regional transit services.
E1480417 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: Wells Regional Transportation Center | Statement: [Wells, Maine, hasRailStation, Wells Regional Transportation Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Wells Regional Transportation Center
Context triple: [Wells, Maine, hasRailStation, Wells Regional Transportation Center]
  • A. Anderson Regional Transportation Center
    Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving commuter rail and bus passengers traveling to and from the Greater Boston area.
  • B. Aurora Transportation Center
    Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
  • C. Saco Transportation Center
    Saco Transportation Center is a passenger rail and bus station in Saco, Maine that serves as a regional transportation hub for Amtrak and local transit services.
  • D. Darby Transportation Center
    Darby Transportation Center is a public transit hub in Darby, Pennsylvania, serving as a key interchange point for SEPTA trolley and bus services.
  • E. Fern Rock Transportation Center
    Fern Rock Transportation Center is a major multimodal transit hub in North Philadelphia that serves as a key subway, regional rail, and bus interchange in the SEPTA system.
  • 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: Wells Regional Transportation Center
Triple: [Wells, Maine, hasRailStation, Wells Regional Transportation Center]
Generated description
Wells Regional Transportation Center is an intermodal passenger rail and bus station in Wells, Maine, serving Amtrak’s Downeaster and regional transit services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Wells Regional Transportation Center
Target entity description: Wells Regional Transportation Center is an intermodal passenger rail and bus station in Wells, Maine, serving Amtrak’s Downeaster and regional transit services.
  • A. Anderson Regional Transportation Center
    Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving commuter rail and bus passengers traveling to and from the Greater Boston area.
  • B. Aurora Transportation Center
    Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
  • C. Saco Transportation Center
    Saco Transportation Center is a passenger rail and bus station in Saco, Maine that serves as a regional transportation hub for Amtrak and local transit services.
  • D. Darby Transportation Center
    Darby Transportation Center is a public transit hub in Darby, Pennsylvania, serving as a key interchange point for SEPTA trolley and bus services.
  • E. Fern Rock Transportation Center
    Fern Rock Transportation Center is a major multimodal transit hub in North Philadelphia that serves as a key subway, regional rail, and bus interchange in the SEPTA system.
  • 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_69e0b51cd5cc81909ac1187971e8a8ad completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8ad34a1d48190b14fa099968faf7c completed April 22, 2026, 11:12 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09ad61410081909dbed86cc6b70bca completed May 17, 2026, 11:58 a.m.
NEDg Description generation batch_6a09ae7ab31081908d57ff9ffe7c223b completed May 17, 2026, 12:03 p.m.
NED2 Entity disambiguation (via description) batch_6a09af42dc78819096e4e08f8ec44f71 completed May 17, 2026, 12:06 p.m.
Created at: April 16, 2026, 5:05 p.m.