Triple
T18879981
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Edgewater, Chicago |
E461798
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Thorndale station
Thorndale station is a Chicago "L" rapid transit stop on the Red Line serving the Edgewater neighborhood on the city’s North Side.
|
E1347934
|
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: Thorndale station | Statement: [Edgewater, Chicago, hasStation, Thorndale station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thorndale station Context triple: [Edgewater, Chicago, hasStation, Thorndale station]
-
A.
Thorndale station
Thorndale station is a SEPTA Regional Rail station in Thorndale, Pennsylvania, serving as the western endpoint of commuter rail service on the Paoli/Thorndale Line.
-
B.
Lawndale station
Lawndale station is a commuter rail stop in Philadelphia, Pennsylvania, served by SEPTA’s Fox Chase Line.
-
C.
Northfields station
Northfields station is a London Underground station in West London served by the Piccadilly line.
-
D.
Northgate Station
Northgate Station is a major elevated light rail transit hub in Seattle, Washington, serving the northern terminus of Sound Transit's Link light rail line and connecting riders to the surrounding Northgate neighborhood and regional bus services.
-
E.
Lechmere station
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
- 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: Thorndale station Triple: [Edgewater, Chicago, hasStation, Thorndale station]
Generated description
Thorndale station is a Chicago "L" rapid transit stop on the Red Line serving the Edgewater neighborhood on the city’s North Side.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Thorndale station Target entity description: Thorndale station is a Chicago "L" rapid transit stop on the Red Line serving the Edgewater neighborhood on the city’s North Side.
-
A.
Thorndale station
Thorndale station is a SEPTA Regional Rail station in Thorndale, Pennsylvania, serving as the western endpoint of commuter rail service on the Paoli/Thorndale Line.
-
B.
Lawndale station
Lawndale station is a commuter rail stop in Philadelphia, Pennsylvania, served by SEPTA’s Fox Chase Line.
-
C.
Northfields station
Northfields station is a London Underground station in West London served by the Piccadilly line.
-
D.
Northgate Station
Northgate Station is a major elevated light rail transit hub in Seattle, Washington, serving the northern terminus of Sound Transit's Link light rail line and connecting riders to the surrounding Northgate neighborhood and regional bus services.
-
E.
Lechmere station
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
- 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_69d8dcfc3430819095ee6fc0eb4c06a5 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c3d133f08190a482e601c1866662 |
completed | April 20, 2026, 6:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0582af0e44819084b87fe5a00ef336 |
completed | May 14, 2026, 8:07 a.m. |
| NEDg | Description generation | batch_6a058696fc408190b63bfd77c4f23e0b |
completed | May 14, 2026, 8:23 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0587056df08190b9fae9bbcec12a64 |
completed | May 14, 2026, 8:25 a.m. |
Created at: April 10, 2026, 11:57 a.m.