Triple
T844970
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Purple Line (CTA) |
E18256
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Noyes station
Noyes station is an elevated Chicago Transit Authority 'L' station on the Purple Line serving the Evanston area north of Chicago.
|
E161113
|
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: Noyes station | Statement: [Purple Line (CTA), hasStation, Noyes station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Noyes station Context triple: [Purple Line (CTA), hasStation, Noyes station]
-
A.
Quincy Adams station
Quincy Adams station is a rapid transit station on Boston's MBTA Red Line serving the city of Quincy, Massachusetts.
-
B.
Snyder station
Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
-
C.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
D.
Winchester Center station
Winchester Center station is a commuter rail station in Winchester, Massachusetts, serving MBTA's Lowell Line north of Boston.
-
E.
Ruggles station
Ruggles station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains, multiple commuter rail lines, and numerous bus routes.
- 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: Noyes station Triple: [Purple Line (CTA), hasStation, Noyes station]
Generated description
Noyes station is an elevated Chicago Transit Authority 'L' station on the Purple Line serving the Evanston area north of Chicago.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Noyes station Target entity description: Noyes station is an elevated Chicago Transit Authority 'L' station on the Purple Line serving the Evanston area north of Chicago.
-
A.
Quincy Adams station
Quincy Adams station is a rapid transit station on Boston's MBTA Red Line serving the city of Quincy, Massachusetts.
-
B.
Snyder station
Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
-
C.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
D.
Winchester Center station
Winchester Center station is a commuter rail station in Winchester, Massachusetts, serving MBTA's Lowell Line north of Boston.
-
E.
Ruggles station
Ruggles station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains, multiple commuter rail lines, and numerous bus routes.
- 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_69ace5371c2c8190861a5cbf9d089e4f |
completed | March 8, 2026, 2:55 a.m. |
| NEDg | Description generation | batch_69ace5db553c8190b0d09462411f3dcf |
completed | March 8, 2026, 2:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ace647c04881908ab550505110c29b |
completed | March 8, 2026, 3 a.m. |
Created at: March 1, 2026, 7:38 p.m.