Triple

T19840564
Position Surface form Disambiguated ID Type / Status
Subject Sleep Train E476714 entity
Predicate acquiredBy P347 FINISHED
Object Mattress Firm
Mattress Firm is a large American mattress and bedding retail chain known for operating thousands of specialty sleep stores across the United States.
 E1398773 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: Mattress Firm | Statement: [Sleep Train, acquiredBy, Mattress Firm]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mattress Firm
Context triple: [Sleep Train, acquiredBy, Mattress Firm]
  • A. Sealy Corporation
    Sealy Corporation is a major American mattress manufacturer and bedding company known for its Sealy Posturepedic brand and wide presence in the global sleep products market.
  • B. Bob’s Discount Furniture
    Bob’s Discount Furniture is an American furniture retail chain known for offering affordable home furnishings and mattresses through large showroom-style stores.
  • C. Jordan's Furniture
    Jordan's Furniture is a New England–based furniture retail chain known for its large, entertainment-focused showrooms that combine home furnishings with attractions like IMAX theaters and indoor adventures.
  • D. Sealy Range
    Sealy Range is a mountain range in New Zealand’s Southern Alps, located within the Aoraki / Mount Cook region and known for its alpine scenery and popular hiking routes.
  • E. Nebraska Furniture Mart
    Nebraska Furniture Mart is a large American home furnishings retailer known for its massive showrooms and wide selection of furniture, appliances, electronics, and home décor.
  • 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: Mattress Firm
Triple: [Sleep Train, acquiredBy, Mattress Firm]
Generated description
Mattress Firm is a large American mattress and bedding retail chain known for operating thousands of specialty sleep stores across the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mattress Firm
Target entity description: Mattress Firm is a large American mattress and bedding retail chain known for operating thousands of specialty sleep stores across the United States.
  • A. Sealy Corporation
    Sealy Corporation is a major American mattress manufacturer and bedding company known for its Sealy Posturepedic brand and wide presence in the global sleep products market.
  • B. Bob’s Discount Furniture
    Bob’s Discount Furniture is an American furniture retail chain known for offering affordable home furnishings and mattresses through large showroom-style stores.
  • C. Jordan's Furniture
    Jordan's Furniture is a New England–based furniture retail chain known for its large, entertainment-focused showrooms that combine home furnishings with attractions like IMAX theaters and indoor adventures.
  • D. Sealy Range
    Sealy Range is a mountain range in New Zealand’s Southern Alps, located within the Aoraki / Mount Cook region and known for its alpine scenery and popular hiking routes.
  • E. Nebraska Furniture Mart
    Nebraska Furniture Mart is a large American home furnishings retailer known for its massive showrooms and wide selection of furniture, appliances, electronics, and home décor.
  • 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_69d8e51d39d081909bcfafeaaf3d2fcc completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6580576748190b85e234b01209ae7 completed April 20, 2026, 4:44 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07d438c0208190a6d5b6781b99d37e completed May 16, 2026, 2:19 a.m.
NEDg Description generation batch_6a07d8082bfc81909db58a0477c4d55f completed May 16, 2026, 2:35 a.m.
NED2 Entity disambiguation (via description) batch_6a07d8744bdc8190adfcc428ff55e790 completed May 16, 2026, 2:37 a.m.
Created at: April 10, 2026, 1:51 p.m.