Triple

T13386174
Position Surface form Disambiguated ID Type / Status
Subject Woburn toxic waste contamination cases E319450 entity
Predicate involves P1256 FINISHED
Object UniFirst Corporation
UniFirst Corporation is an American company specializing in the manufacture, rental, and servicing of workwear and uniforms for businesses across various industries.
E1037140 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: UniFirst Corporation | Statement: [Woburn toxic waste contamination cases, involves, UniFirst Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: UniFirst Corporation
Context triple: [Woburn toxic waste contamination cases, involves, UniFirst Corporation]
  • A. Go-Ahead Group
    Go-Ahead Group is a major British public transport operator that runs bus and rail services in the UK and internationally.
  • B. YRC Worldwide
    YRC Worldwide is a large American less-than-truckload (LTL) freight transportation and logistics company headquartered in Overland Park, Kansas.
  • C. Pilot Flying J
    Pilot Flying J is a large North American chain of truck stops and travel centers serving professional drivers and motorists with fuel, food, and convenience services.
  • D. National Freight Corporation
    National Freight Corporation was a major British state-owned road haulage and logistics company that played a central role in the UK’s freight transport industry in the mid-20th century.
  • E. First Transit
    First Transit is a North American public transportation management and contracting company that operates and maintains bus, paratransit, shuttle, and other transit services for municipalities and organizations.
  • 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: UniFirst Corporation
Triple: [Woburn toxic waste contamination cases, involves, UniFirst Corporation]
Generated description
UniFirst Corporation is an American company specializing in the manufacture, rental, and servicing of workwear and uniforms for businesses across various industries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: UniFirst Corporation
Target entity description: UniFirst Corporation is an American company specializing in the manufacture, rental, and servicing of workwear and uniforms for businesses across various industries.
  • A. Go-Ahead Group
    Go-Ahead Group is a major British public transport operator that runs bus and rail services in the UK and internationally.
  • B. YRC Worldwide
    YRC Worldwide is a large American less-than-truckload (LTL) freight transportation and logistics company headquartered in Overland Park, Kansas.
  • C. Pilot Flying J
    Pilot Flying J is a large North American chain of truck stops and travel centers serving professional drivers and motorists with fuel, food, and convenience services.
  • D. National Freight Corporation
    National Freight Corporation was a major British state-owned road haulage and logistics company that played a central role in the UK’s freight transport industry in the mid-20th century.
  • E. First Transit
    First Transit is a North American public transportation management and contracting company that operates and maintains bus, paratransit, shuttle, and other transit services for municipalities and organizations.
  • 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_69d806b886bc8190b676e7768b8e01c5 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69dadce96d1881909957fdd068a7f55d completed April 11, 2026, 11:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7268f9a908190843481dd313f5a11 completed May 3, 2026, 10:42 a.m.
NEDg Description generation batch_69f7272115f4819092e4fa0fd7f130b5 completed May 3, 2026, 10:44 a.m.
NED2 Entity disambiguation (via description) batch_69f72992483c8190873ba7050ad9e6fa completed May 3, 2026, 10:55 a.m.
Created at: April 9, 2026, 9:34 p.m.