Triple
T3226363
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heath Street station |
E67631
|
entity |
| Predicate | precedingStationOnLine |
P41425
|
FINISHED |
| Object | Back of the Hill station |
E92544
|
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: Back of the Hill station | Statement: [Heath Street station, precedingStationOnLine, Back of the Hill station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Back of the Hill station Context triple: [Heath Street station, precedingStationOnLine, Back of the Hill station]
-
A.
Tower Hill station
Tower Hill station is a London Underground station in central London serving the Circle and District lines near the Tower of London.
-
B.
Deanwood station
Deanwood station is an elevated Washington Metro station in Northeast Washington, D.C., serving the Deanwood neighborhood on the system’s Orange Line.
-
C.
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.
-
D.
Lechmere station
chosen
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
-
E.
Victoria Park station
Victoria Park station is a Toronto Transit Commission subway station in the city's east end that serves as a stop on Line 2 Bloor–Danforth.
- 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: precedingStationOnLine Context triple: [Heath Street station, precedingStationOnLine, Back of the Hill station]
-
A.
adjacentStationOnLine
chosen
Indicates that one station is directly next to another station along the same transit line, with no other station in between.
-
B.
precedingStationOnOrangeLine
Indicates that one station is immediately before another station along the Orange Line route.
-
C.
adjacentStationOnLine3
Indicates that one station is directly next to another station along transit line 3, with no other stations in between on that line.
-
D.
adjacentStationOnLine5
Indicates that one station is directly next to another station along transit Line 5, with no other stations in between on that line.
-
E.
railroadLinePredecessor
Indicates that one railroad line is the direct predecessor or earlier version in the historical or organizational sequence of another railroad line.
- 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_69ad858c61888190a31196310d9b30b5 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69adaeb4cd3481908af8a2c9b6c0742d |
completed | March 8, 2026, 5:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b26262af848190a918f3a606bfa616 |
completed | March 12, 2026, 6:51 a.m. |
| PD | Predicate disambiguation | batch_69ad9e0bb6c48190a0659c67d40ee37c |
completed | March 8, 2026, 4:04 p.m. |
Created at: March 8, 2026, 3:08 p.m.