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.