Triple

T3123821
Position Surface form Disambiguated ID Type / Status
Subject Delaware County, Pennsylvania E65246 entity
Predicate contains P35 FINISHED
Object Harrah's Philadelphia Casino & Racetrack
Harrah's Philadelphia Casino & Racetrack is a gambling and entertainment complex featuring casino gaming and live harness racing located near Philadelphia, Pennsylvania.
E328693 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 Philadelphia Casino & Racetrack | Statement: [Delaware County, Pennsylvania, contains, Harrah's Philadelphia Casino & Racetrack]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harrah's Philadelphia Casino & Racetrack
Context triple: [Delaware County, Pennsylvania, contains, Harrah's Philadelphia Casino & Racetrack]
  • A. 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.
  • B. Hollywood Park Casino
    Hollywood Park Casino is a well-known card club and entertainment complex located in Inglewood, California, offering poker, table games, dining, and events near the site of the former Hollywood Park Racetrack.
  • C. 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.
  • D. Flamingo Hotel and Casino
    Flamingo Hotel and Casino is a historic Las Vegas Strip resort widely regarded as one of the city’s first luxury casinos and a key catalyst in transforming Las Vegas into a major gambling and entertainment destination.
  • E. Empire City Casino
    Empire City Casino is a major gaming and entertainment complex located in Yonkers, just north of New York City.
  • 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 Philadelphia Casino & Racetrack
Triple: [Delaware County, Pennsylvania, contains, Harrah's Philadelphia Casino & Racetrack]
Generated description
Harrah's Philadelphia Casino & Racetrack is a gambling and entertainment complex featuring casino gaming and live harness racing located near Philadelphia, Pennsylvania.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harrah's Philadelphia Casino & Racetrack
Target entity description: Harrah's Philadelphia Casino & Racetrack is a gambling and entertainment complex featuring casino gaming and live harness racing located near Philadelphia, Pennsylvania.
  • A. 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.
  • B. Hollywood Park Casino
    Hollywood Park Casino is a well-known card club and entertainment complex located in Inglewood, California, offering poker, table games, dining, and events near the site of the former Hollywood Park Racetrack.
  • C. 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.
  • D. Flamingo Hotel and Casino
    Flamingo Hotel and Casino is a historic Las Vegas Strip resort widely regarded as one of the city’s first luxury casinos and a key catalyst in transforming Las Vegas into a major gambling and entertainment destination.
  • E. Empire City Casino
    Empire City Casino is a major gaming and entertainment complex located in Yonkers, just north of New York City.
  • 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_69ad8580c72481909672d37acf647893 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada52c105c8190b8128e66d9b9e8a0 completed March 8, 2026, 4:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69b20f72c2048190ab2aa40a109f5976 completed March 12, 2026, 12:57 a.m.
NEDg Description generation batch_69b21083db7081908f8bc4240fc2b08b completed March 12, 2026, 1:01 a.m.
NED2 Entity disambiguation (via description) batch_69b210fa8a7c8190ae4527161aa3af54 completed March 12, 2026, 1:03 a.m.
Created at: March 8, 2026, 3:04 p.m.