Triple
T1970624
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rosslyn–Ballston corridor |
E42790
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Rosslyn station |
E75823
|
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: Rosslyn station | Statement: [Rosslyn–Ballston corridor, servedBy, Rosslyn station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rosslyn station Context triple: [Rosslyn–Ballston corridor, servedBy, Rosslyn station]
-
A.
Rosslyn station
chosen
Rosslyn station is a major Washington Metro transfer hub in Arlington, Virginia, serving as a key connection point between multiple lines and routes into downtown D.C.
-
B.
St. Andrew station
St. Andrew station is a downtown Toronto subway station on the TTC network, serving the Financial District and nearby entertainment venues such as the Royal Alexandra Theatre and Roy Thomson Hall.
-
C.
Hillhead subway station
Hillhead subway station is a key stop on Glasgow’s Subway system, serving the West End and the nearby University of Glasgow.
-
D.
Edinburgh Princes Street station
Edinburgh Princes Street station was a former major railway terminus in central Edinburgh, Scotland, that once served as a key hub for trains operated by the Caledonian Railway.
-
E.
Waverley station
Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
- 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_69a88711151c8190940b2572095059d7 |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abb3d2836c8190a35cb6d8e2dd4bdf |
completed | March 7, 2026, 5:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adfbd9a2dc81909f86fdfa9c646dd0 |
completed | March 8, 2026, 10:44 p.m. |
Created at: March 4, 2026, 7:36 p.m.