Triple
T844928
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | McHenry County, Illinois |
E18255
|
entity |
| Predicate | hasRailService |
P782
|
FINISHED |
| Object |
Metra Union Pacific Northwest Line
The Metra Union Pacific Northwest Line is a commuter rail line in the Chicago metropolitan area that provides service between downtown Chicago and its northwestern suburbs, including parts of McHenry County, Illinois.
|
E128947
|
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: Metra Union Pacific Northwest Line | Statement: [McHenry County, Illinois, hasRailService, Metra Union Pacific Northwest Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metra Union Pacific Northwest Line Context triple: [McHenry County, Illinois, hasRailService, Metra Union Pacific Northwest Line]
-
A.
Metra Union Pacific West Line
The Metra Union Pacific West Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, including communities in DuPage County.
-
B.
Metra BNSF Railway Line
The Metra BNSF Railway Line is a major Chicago-area commuter rail route running between Chicago Union Station and Aurora, Illinois, primarily along tracks owned by BNSF Railway.
-
C.
Metra Electric District line
The Metra Electric District line is a commuter rail line in the Chicago metropolitan area that runs from downtown Chicago to its southern suburbs, serving key destinations along the South Side and beyond.
-
D.
Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
-
E.
METRO Blue Line
The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
- 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: Metra Union Pacific Northwest Line Triple: [McHenry County, Illinois, hasRailService, Metra Union Pacific Northwest Line]
Generated description
The Metra Union Pacific Northwest Line is a commuter rail line in the Chicago metropolitan area that provides service between downtown Chicago and its northwestern suburbs, including parts of McHenry County, Illinois.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metra Union Pacific Northwest Line Target entity description: The Metra Union Pacific Northwest Line is a commuter rail line in the Chicago metropolitan area that provides service between downtown Chicago and its northwestern suburbs, including parts of McHenry County, Illinois.
-
A.
Metra Union Pacific West Line
The Metra Union Pacific West Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, including communities in DuPage County.
-
B.
Metra BNSF Railway Line
The Metra BNSF Railway Line is a major Chicago-area commuter rail route running between Chicago Union Station and Aurora, Illinois, primarily along tracks owned by BNSF Railway.
-
C.
Metra Electric District line
The Metra Electric District line is a commuter rail line in the Chicago metropolitan area that runs from downtown Chicago to its southern suburbs, serving key destinations along the South Side and beyond.
-
D.
Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
-
E.
METRO Blue Line
The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
- 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_69a4938b04208190b82e1df6b572c548 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4ac09249c8190a8099b94a3c9e2cc |
completed | March 1, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac537700548190aa8ead8c966eb329 |
completed | March 7, 2026, 4:33 p.m. |
| NEDg | Description generation | batch_69ac55dbc1888190be7899f0e303e8a2 |
completed | March 7, 2026, 4:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac56488f4c819097adf85a5ed28818 |
completed | March 7, 2026, 4:46 p.m. |
Created at: March 1, 2026, 7:38 p.m.