Triple
T398944
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Congressional Limited Express |
E9235
|
entity |
| Predicate | route |
P5619
|
FINISHED |
| Object | New York City–Washington, D.C. corridor |
E46349
|
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: New York City–Washington, D.C. corridor | Statement: [Congressional Limited Express, route, New York City–Washington, D.C. corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New York City–Washington, D.C. corridor Context triple: [Congressional Limited Express, route, New York City–Washington, D.C. corridor]
-
A.
Northeast Corridor
The Northeast Corridor is the busiest passenger rail line in the United States, running primarily Amtrak and commuter trains along the urbanized spine of the East Coast between major cities such as Washington, D.C., Philadelphia, New York City, and Boston.
-
B.
Northeast megalopolis
chosen
The Northeast megalopolis is a densely populated urban corridor in the northeastern United States stretching roughly from Boston to Washington, D.C., encompassing major cities and their surrounding metropolitan areas.
-
C.
Baltimore–Harrisburg corridor
The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
-
D.
New York metropolitan area
The New York metropolitan area is the vast, densely populated urban region centered on New York City, encompassing parts of New York, New Jersey, and Connecticut and serving as a major global hub for finance, culture, media, and transportation.
-
E.
Metropolregion MD
Metropolregion MD is a central German metropolitan region encompassing major cities and economic centers in the states of Saxony, Saxony-Anhalt, and Thuringia, focused on regional development and cooperation.
- 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_69a2e8004cb88190b92ed1add6abf41a |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2ec8d0ca881909d786e8eed9b6748 |
completed | Feb. 28, 2026, 1:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a47469d5248190a14f44d53a3e6e8f |
completed | March 1, 2026, 5:16 p.m. |
Created at: Feb. 28, 2026, 1:08 p.m.