Triple

T8334164
Position Surface form Disambiguated ID Type / Status
Subject Vistra Corp E195145 entity
Predicate tickerSymbol P1447 FINISHED
Object VST
VST is the stock ticker symbol for Vistra Corp, a U.S.-based integrated retail and power generation company.
 E726053 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: VST | Statement: [Vistra Corp, tickerSymbol, VST]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: VST
Context triple: [Vistra Corp, tickerSymbol, VST]
  • A. VST
    VST is a wide-field optical survey telescope at the European Southern Observatory’s Paranal Observatory, designed primarily for large-scale imaging of the night sky.
  • B. Steinberg
    Steinberg is a German and Ashkenazi Jewish surname borne by numerous notable individuals across fields such as music, art, business, and politics.
  • C. Steinberg
    Steinberg is a small settlement in Norway situated along the Drammenselva river, known for its riverside location and local railway station.
  • D. Steinberg
    Steinberg is a locality within the town of Wadern in the Saarland region of Germany.
  • E. Stax studio
    Stax studio was the legendary Memphis recording studio where many classic soul and R&B records of the 1960s and 1970s were created.
  • 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: VST
Triple: [Vistra Corp, tickerSymbol, VST]
Generated description
VST is the stock ticker symbol for Vistra Corp, a U.S.-based integrated retail and power generation company.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: VST
Target entity description: VST is the stock ticker symbol for Vistra Corp, a U.S.-based integrated retail and power generation company.
  • A. VST
    VST is a wide-field optical survey telescope at the European Southern Observatory’s Paranal Observatory, designed primarily for large-scale imaging of the night sky.
  • B. Steinberg
    Steinberg is a small settlement in Norway situated along the Drammenselva river, known for its riverside location and local railway station.
  • C. Steinberg
    Steinberg is a German and Ashkenazi Jewish surname borne by numerous notable individuals across fields such as music, art, business, and politics.
  • D. Steinberg
    Steinberg is a locality within the town of Wadern in the Saarland region of Germany.
  • E. Stax studio
    Stax studio was the legendary Memphis recording studio where many classic soul and R&B records of the 1960s and 1970s were created.
  • 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_69ca82e87f2c8190bdb71ee29dfc642d completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7fbe61f481909cde8ab2c42f89fc completed March 31, 2026, 8:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd95d19178819090815692e847c4e0 completed April 1, 2026, 10:01 p.m.
NEDg Description generation batch_69cdab61d00c81909ce2c0d718a2dc1a completed April 1, 2026, 11:33 p.m.
NED2 Entity disambiguation (via description) batch_69cdb2ef889c8190af6efb9473f8804c completed April 2, 2026, 12:06 a.m.
Created at: March 30, 2026, 5:57 p.m.