Triple
T15965823
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | VRE Manassas Line |
E387187
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object | Alexandria station |
E133357
|
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: Alexandria station | Statement: [VRE Manassas Line, usesStation, Alexandria station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alexandria station Context triple: [VRE Manassas Line, usesStation, Alexandria station]
-
A.
Alexandria Union Station
chosen
Alexandria Union Station is a historic passenger rail station in Alexandria, Virginia, serving Amtrak and Virginia Railway Express trains near the Old Town area.
-
B.
Richmond station
Richmond station is a major Bay Area Rapid Transit (BART) and Amtrak intermodal rail hub located in Richmond, California.
-
C.
Richmond station
Richmond station is a major transport hub in southwest London that serves National Rail, London Overground, and London Underground services.
-
D.
Monrovia station
Monrovia station is a light rail station in Monrovia, California, serving LA Metro's A Line and acting as a key transit hub for the San Gabriel Valley.
-
E.
Churchill Station
Churchill Station is a major light rail transit hub in downtown Edmonton, Alberta, serving multiple LRT lines and connecting to surrounding civic and cultural destinations.
- 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_69d86da94ccc819083d187f5dc6a123e |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e157258b3c8190a72c868bd055ed94 |
completed | April 16, 2026, 9:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffbe87149081909ac6129126f597c2 |
completed | May 9, 2026, 11:08 p.m. |
Created at: April 10, 2026, 4:54 a.m.