Triple
T19612222
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago–Detroit/Pontiac corridor |
E470759
|
entity |
| Predicate | hasEndpointStation |
P34947
|
FINISHED |
| Object |
Pontiac Transportation Center
Pontiac Transportation Center is a multimodal transit hub in Pontiac, Michigan, serving as the northern terminus for Amtrak and regional rail and bus services in the Chicago–Detroit–Pontiac corridor.
|
E1387110
|
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: Pontiac Transportation Center | Statement: [Chicago–Detroit/Pontiac corridor, hasEndpointStation, Pontiac Transportation Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pontiac Transportation Center Context triple: [Chicago–Detroit/Pontiac corridor, hasEndpointStation, Pontiac Transportation Center]
-
A.
Delco Park
Delco Park is a public recreational park located in Kettering, Ohio, featuring open green spaces, sports facilities, and community amenities.
-
B.
Ford Piquette Avenue Plant
The Ford Piquette Avenue Plant is a historic Detroit automobile factory best known as the birthplace of the Ford Model T and an early center of automotive innovation.
-
C.
Highland Park Ford Plant
The Highland Park Ford Plant is a historic automobile factory in Michigan renowned as the birthplace of the moving assembly line that revolutionized mass production in the early 20th century.
-
D.
General Motors Milford Proving Ground
The General Motors Milford Proving Ground is a major automotive testing and development facility used by GM to evaluate vehicle performance, safety, and durability.
-
E.
Dearborn Transit Center
Dearborn Transit Center is a key multimodal transportation hub in Dearborn, Michigan, serving Amtrak rail passengers and local and regional bus services.
- 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: Pontiac Transportation Center Triple: [Chicago–Detroit/Pontiac corridor, hasEndpointStation, Pontiac Transportation Center]
Generated description
Pontiac Transportation Center is a multimodal transit hub in Pontiac, Michigan, serving as the northern terminus for Amtrak and regional rail and bus services in the Chicago–Detroit–Pontiac corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pontiac Transportation Center Target entity description: Pontiac Transportation Center is a multimodal transit hub in Pontiac, Michigan, serving as the northern terminus for Amtrak and regional rail and bus services in the Chicago–Detroit–Pontiac corridor.
-
A.
Delco Park
Delco Park is a public recreational park located in Kettering, Ohio, featuring open green spaces, sports facilities, and community amenities.
-
B.
Ford Piquette Avenue Plant
The Ford Piquette Avenue Plant is a historic Detroit automobile factory best known as the birthplace of the Ford Model T and an early center of automotive innovation.
-
C.
Highland Park Ford Plant
The Highland Park Ford Plant is a historic automobile factory in Michigan renowned as the birthplace of the moving assembly line that revolutionized mass production in the early 20th century.
-
D.
General Motors Milford Proving Ground
The General Motors Milford Proving Ground is a major automotive testing and development facility used by GM to evaluate vehicle performance, safety, and durability.
-
E.
Dearborn Transit Center
Dearborn Transit Center is a key multimodal transportation hub in Dearborn, Michigan, serving Amtrak rail passengers and local and regional bus services.
- 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_69d8e510fa248190b7afb274a1d4cf73 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e640cbeda08190addb1adf84af4993 |
completed | April 20, 2026, 3:05 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0771b2075481908c18e903421703cf |
completed | May 15, 2026, 7:19 p.m. |
| NEDg | Description generation | batch_6a0772b3e6c88190b341479f838093f8 |
completed | May 15, 2026, 7:23 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a077334652c8190b044d444e3004f29 |
completed | May 15, 2026, 7:25 p.m. |
Created at: April 10, 2026, 1:43 p.m.