Triple
T5814407
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra Union Pacific Northwest Line |
E128947
|
entity |
| Predicate | suburbanTerminus |
P1866
|
FINISHED |
| Object | Harvard |
E566872
|
NE FINISHED |
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 | Statement: [Metra Union Pacific Northwest Line, suburbanTerminus, Harvard]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harvard Context triple: [Metra Union Pacific Northwest Line, suburbanTerminus, Harvard]
-
A.
Harvard
chosen
Harvard is a small city in McHenry County, Illinois, known as the northwestern terminus of Chicago’s Metra commuter rail service.
-
B.
Harvard University
Harvard University is a prestigious private Ivy League research university in Cambridge, Massachusetts, renowned for its academic excellence, influential alumni, and historic leadership in higher education.
-
C.
Yale
Yale is a widely used romanization system for Cantonese Chinese that represents Cantonese sounds with the Latin alphabet.
-
D.
Yale University
Yale University is an Ivy League research university in New Haven, Connecticut, renowned for its prestigious academic programs, historic campus, and influential alumni.
-
E.
Harvard Graduate School of Arts and Sciences
The Harvard Graduate School of Arts and Sciences is Harvard University's primary graduate school for advanced study and research in the arts, humanities, social sciences, and natural sciences.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: suburbanTerminus Context triple: [Metra Union Pacific Northwest Line, suburbanTerminus, Harvard]
-
A.
isSuburbanStationOf
Indicates that a station is located in a suburban area and functionally serves as a subsidiary or outlying station of a main or central station.
-
B.
suburbanBelt
Indicates that one area forms a suburban belt or ring surrounding another, typically as a zone of residential or peripheral development around a core urban center.
-
C.
terminusCity
chosen
Indicates that a transportation route or service ends or has its final stop in a particular city.
-
D.
isSuburbanRouteOf
Indicates that a given route functions as a suburban segment or service line belonging to, or operating as part of, a larger primary route or network.
-
E.
suburb
Indicates that one place is a residential district or outlying area that is part of or adjacent to a larger city or town.
- F. None of above.
Provenance (4 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_69c0084788848190bcf71f6bc5d71597 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c0400f1af881908d376ea4793f6dea |
completed | March 22, 2026, 7:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c124ef1c3c8190a2302fc0ce9b8324 |
completed | March 23, 2026, 11:33 a.m. |
| PD | Predicate disambiguation | batch_69c0333fdd7081908d829265caa2ac11 |
completed | March 22, 2026, 6:21 p.m. |
Created at: March 22, 2026, 3:53 p.m.