Triple

T15318596
Position Surface form Disambiguated ID Type / Status
Subject VRE Fredericksburg Line E366226 entity
Predicate hasStation P35 FINISHED
Object Alexandria station E133357 NE FINISHED

How this triple was built (2 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: Alexandria station | Statement: [VRE Fredericksburg Line, hasStation, Alexandria station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Alexandria station
Context triple: [VRE Fredericksburg Line, hasStation, Alexandria station]
  • A. Alexandria Union Station chosen
    Alexandria Union Station is a historic passenger rail station in Alexandria, Virginia, serving Amtrak and Virginia Railway Express trains near the Old Town area.
  • B. Richmond station
    Richmond station is a major Bay Area Rapid Transit (BART) and Amtrak intermodal rail hub located in Richmond, California.
  • C. Richmond station
    Richmond station is a major transport hub in southwest London that serves National Rail, London Overground, and London Underground services.
  • D. Monrovia station
    Monrovia station is a light rail station in Monrovia, California, serving LA Metro's A Line and acting as a key transit hub for the San Gabriel Valley.
  • E. Churchill Station
    Churchill Station is a major light rail transit hub in downtown Edmonton, Alberta, serving multiple LRT lines and connecting to surrounding civic and cultural destinations.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d85a121520819093dcce999fdefe1a completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03dd356b881908f054b64eee6a371 completed April 16, 2026, 1:39 a.m.
NED1 Entity disambiguation (via context triple) batch_69fef8a9085881909904152c32b0fed1 completed May 9, 2026, 9:04 a.m.
Created at: April 10, 2026, 3:16 a.m.