Triple
T5991364
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alexandria Union Station |
E133357
|
entity |
| Predicate | railLine |
P848
|
FINISHED |
| Object | Norfolk Southern Railway line |
E345742
|
NE FINISHED |
How this triple was built (2 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: Norfolk Southern Railway line | Statement: [Alexandria Union Station, railLine, Norfolk Southern Railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Norfolk Southern Railway line Context triple: [Alexandria Union Station, railLine, Norfolk Southern Railway line]
-
A.
CSX railroad line
The CSX railroad line is a freight rail route operated by CSX Transportation that serves as a key corridor for moving goods through Columbiana, Alabama and the surrounding region.
-
B.
Norfolk Southern Southern Tier Line
chosen
The Norfolk Southern Southern Tier Line is a freight rail corridor in New York State that also hosts Metro-North’s Port Jervis Line commuter service.
-
C.
Burlington Northern Santa Fe Railway main line
The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, California.
-
D.
T5 Cumberland Line
The T5 Cumberland Line is a suburban passenger rail service in Sydney, Australia, connecting key western and south-western suburbs without requiring travel through the central business district.
-
E.
Sounder South Line
The Sounder South Line is a commuter rail service in the Seattle metropolitan area that connects downtown Seattle with communities to the south in Washington State.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c0087010d081908bb8142342d63330 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c04e8fd030819095a4f3b3d425ec21 |
completed | March 22, 2026, 8:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c10861c0bc8190b6290d7363f4264a |
completed | March 23, 2026, 9:31 a.m. |
Created at: March 22, 2026, 4:05 p.m.