Triple

T13707986
Position Surface form Disambiguated ID Type / Status
Subject Harrah's Philadelphia Casino & Racetrack E328693 entity
Predicate formerName P65 FINISHED
Object Harrah's Chester
Harrah's Chester was the original name of the Harrah's Philadelphia Casino & Racetrack, a gambling and harness racing facility located near Philadelphia, Pennsylvania.
E1055747 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: Harrah's Chester | Statement: [Harrah's Philadelphia Casino & Racetrack, formerName, Harrah's Chester]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harrah's Chester
Context triple: [Harrah's Philadelphia Casino & Racetrack, formerName, Harrah's Chester]
  • A. Harrah
    Harrah is a small city in central Oklahoma known for its suburban-rural character and proximity to Oklahoma City.
  • B. Harrah's Las Vegas
    Harrah's Las Vegas is a casino hotel and entertainment resort located on the Las Vegas Strip, known for its lively atmosphere, gaming, and shows.
  • C. Harrah's Atlantic City
    Harrah's Atlantic City is a major waterfront casino resort in Atlantic City, New Jersey, known for its large gaming floor, hotel tower, and entertainment amenities.
  • D. Harrah's New Orleans
    Harrah's New Orleans is a major casino and hotel complex in downtown New Orleans, Louisiana, offering gaming, dining, and entertainment.
  • E. Harrah’s North Kansas City
    Harrah’s North Kansas City is a riverfront casino and hotel complex in the Kansas City metropolitan area offering gaming, dining, and entertainment.
  • 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: Harrah's Chester
Triple: [Harrah's Philadelphia Casino & Racetrack, formerName, Harrah's Chester]
Generated description
Harrah's Chester was the original name of the Harrah's Philadelphia Casino & Racetrack, a gambling and harness racing facility located near Philadelphia, Pennsylvania.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harrah's Chester
Target entity description: Harrah's Chester was the original name of the Harrah's Philadelphia Casino & Racetrack, a gambling and harness racing facility located near Philadelphia, Pennsylvania.
  • A. Harrah
    Harrah is a small city in central Oklahoma known for its suburban-rural character and proximity to Oklahoma City.
  • B. Harrah's Las Vegas
    Harrah's Las Vegas is a casino hotel and entertainment resort located on the Las Vegas Strip, known for its lively atmosphere, gaming, and shows.
  • C. Harrah's Atlantic City
    Harrah's Atlantic City is a major waterfront casino resort in Atlantic City, New Jersey, known for its large gaming floor, hotel tower, and entertainment amenities.
  • D. Harrah's New Orleans
    Harrah's New Orleans is a major casino and hotel complex in downtown New Orleans, Louisiana, offering gaming, dining, and entertainment.
  • E. Harrah’s North Kansas City
    Harrah’s North Kansas City is a riverfront casino and hotel complex in the Kansas City metropolitan area offering gaming, dining, and entertainment.
  • 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_69d80770b9bc81909f70c8c317d53cff completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dcad18d48c8190a26be865c31975d6 completed April 13, 2026, 8:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7945d6b9481909cc627883dd24a85 completed May 3, 2026, 6:30 p.m.
NEDg Description generation batch_69f79523bf608190addeca563bea132e completed May 3, 2026, 6:34 p.m.
NED2 Entity disambiguation (via description) batch_69f7965cc9f88190acbf232615a9e87b completed May 3, 2026, 6:39 p.m.
Created at: April 9, 2026, 9:54 p.m.