Triple
T22859460
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Harvard, Illinois |
E566872
|
entity |
| Predicate | hasFeature |
P182
|
FINISHED |
| Object | Harvard Metra station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Harvard Metra station | Statement: [Harvard, Illinois, hasFeature, Harvard Metra station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harvard Metra station Context triple: [Harvard, Illinois, hasFeature, Harvard Metra station]
-
A.
Harvard station
Harvard station is a major Red Line subway and bus hub on the Massachusetts Bay Transportation Authority (MBTA) system located in Harvard Square in Cambridge, Massachusetts.
-
B.
Harvard Avenue station
Harvard Avenue station is a surface light rail stop in Boston’s Allston neighborhood serving the MBTA Green Line B branch.
-
C.
Savin Hill station
Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
-
D.
Brookline Hills station
Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
-
E.
Uphams Corner station
Uphams Corner station is a Massachusetts Bay Transportation Authority commuter rail stop on the Fairmount Line located in the Uphams Corner neighborhood of Dorchester, Boston.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Harvard Metra station Target entity description: Harvard Metra station is a commuter rail station in Harvard, Illinois that serves as a terminus for Metra's Union Pacific Northwest Line connecting the town to the Chicago metropolitan area.
-
A.
Harvard station
Harvard station is a major Red Line subway and bus hub on the Massachusetts Bay Transportation Authority (MBTA) system located in Harvard Square in Cambridge, Massachusetts.
-
B.
Harvard Avenue station
Harvard Avenue station is a surface light rail stop in Boston’s Allston neighborhood serving the MBTA Green Line B branch.
-
C.
Savin Hill station
Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
-
D.
Brookline Hills station
Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
-
E.
Uphams Corner station
Uphams Corner station is a Massachusetts Bay Transportation Authority commuter rail stop on the Fairmount Line located in the Uphams Corner neighborhood of Dorchester, Boston.
- F. None of above. chosen
Provenance (2 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_69e24589083081908d5694c4fdc80086 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17ebf1838819092b2b99205a2192f |
completed | April 29, 2026, 3:45 a.m. |
Created at: April 17, 2026, 3:37 p.m.