Triple
T2324390
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rock Island District |
E48253
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object |
Rock Island District Beverly Branch
The Rock Island District Beverly Branch is a commuter rail branch line in the Chicago area that serves the Beverly and Morgan Park neighborhoods as part of Metra’s Rock Island District service.
|
E254856
|
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: Rock Island District Beverly Branch | Statement: [Rock Island District, connectsWith, Rock Island District Beverly Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rock Island District Beverly Branch Context triple: [Rock Island District, connectsWith, Rock Island District Beverly Branch]
-
A.
Cermak Branch
Cermak Branch is a segment of the Chicago Transit Authority’s rapid transit system that forms part of the Pink Line route.
-
B.
Englewood Branch
The Englewood Branch is a former south side segment of Chicago's Green Line rapid transit route that historically served the Englewood neighborhood.
-
C.
Aurora Branch
Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
-
D.
Long Beach Branch
Long Beach Branch is a commuter rail line of the Long Island Rail Road in New York that runs between Long Beach and Jamaica, Queens.
-
E.
Waterbury Branch
The Waterbury Branch is a commuter rail line in Connecticut operated by Metro-North Railroad, running between Waterbury and the New Haven Line at Bridgeport.
- 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: Rock Island District Beverly Branch Triple: [Rock Island District, connectsWith, Rock Island District Beverly Branch]
Generated description
The Rock Island District Beverly Branch is a commuter rail branch line in the Chicago area that serves the Beverly and Morgan Park neighborhoods as part of Metra’s Rock Island District service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rock Island District Beverly Branch Target entity description: The Rock Island District Beverly Branch is a commuter rail branch line in the Chicago area that serves the Beverly and Morgan Park neighborhoods as part of Metra’s Rock Island District service.
-
A.
Cermak Branch
Cermak Branch is a segment of the Chicago Transit Authority’s rapid transit system that forms part of the Pink Line route.
-
B.
Englewood Branch
The Englewood Branch is a former south side segment of Chicago's Green Line rapid transit route that historically served the Englewood neighborhood.
-
C.
Aurora Branch
Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
-
D.
Long Beach Branch
Long Beach Branch is a commuter rail line of the Long Island Rail Road in New York that runs between Long Beach and Jamaica, Queens.
-
E.
Waterbury Branch
The Waterbury Branch is a commuter rail line in Connecticut operated by Metro-North Railroad, running between Waterbury and the New Haven Line at Bridgeport.
- 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_69a88aa308a88190b0b86c011fda7fce |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc6488de481909f018700fa1f9fc7 |
completed | March 7, 2026, 6:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae896de2c48190ada0814d3a4f8497 |
completed | March 9, 2026, 8:48 a.m. |
| NEDg | Description generation | batch_69ae89e2efd48190a2f0a4702dcbc081 |
completed | March 9, 2026, 8:50 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae8a7726dc8190a18f7f1e1609253a |
completed | March 9, 2026, 8:53 a.m. |
Created at: March 4, 2026, 7:50 p.m.