Triple
T7371934
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Farragut West |
E170025
|
entity |
| Predicate | transferFeature |
P76626
|
FINISHED |
| Object |
Farragut Crossing (virtual tunnel)
Farragut Crossing (virtual tunnel) is a fare-free, out-of-system transfer connection in Washington, D.C.’s Metrorail system that allows riders to switch between the nearby Farragut West and Farragut North stations without paying an additional fare.
|
E660429
|
NE FINISHED |
How this triple was built (5 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: Farragut Crossing (virtual tunnel) | Statement: [Farragut West, transferFeature, Farragut Crossing (virtual tunnel)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Farragut Crossing (virtual tunnel) Context triple: [Farragut West, transferFeature, Farragut Crossing (virtual tunnel)]
-
A.
Potomac River tunnel
The Potomac River tunnel is an underwater rail tunnel in the Washington, D.C. area that carries Washington Metro trains beneath the Potomac River.
-
B.
Downtown Tunnel
The Downtown Tunnel is a major underwater vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
-
C.
Fort McHenry Tunnel
The Fort McHenry Tunnel is a major underwater highway tunnel in Baltimore, Maryland, carrying Interstate 95 beneath the harbor near Fort McHenry to ease traffic through the city.
-
D.
Center City Tunnel
Center City Tunnel is an underground rail corridor in downtown Philadelphia that links several major commuter rail lines to create a unified through-running system.
-
E.
Baltimore Harbor Tunnel
The Baltimore Harbor Tunnel is a vehicular tunnel in Baltimore, Maryland, that carries Interstate 895 beneath the harbor as a major route for traffic bypassing downtown.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Farragut Crossing (virtual tunnel) Triple: [Farragut West, transferFeature, Farragut Crossing (virtual tunnel)]
Generated description
Farragut Crossing (virtual tunnel) is a fare-free, out-of-system transfer connection in Washington, D.C.’s Metrorail system that allows riders to switch between the nearby Farragut West and Farragut North stations without paying an additional fare.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Farragut Crossing (virtual tunnel) Target entity description: Farragut Crossing (virtual tunnel) is a fare-free, out-of-system transfer connection in Washington, D.C.’s Metrorail system that allows riders to switch between the nearby Farragut West and Farragut North stations without paying an additional fare.
-
A.
Potomac River tunnel
The Potomac River tunnel is an underwater rail tunnel in the Washington, D.C. area that carries Washington Metro trains beneath the Potomac River.
-
B.
Downtown Tunnel
The Downtown Tunnel is a major underwater vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
-
C.
Fort McHenry Tunnel
The Fort McHenry Tunnel is a major underwater highway tunnel in Baltimore, Maryland, carrying Interstate 95 beneath the harbor near Fort McHenry to ease traffic through the city.
-
D.
Center City Tunnel
Center City Tunnel is an underground rail corridor in downtown Philadelphia that links several major commuter rail lines to create a unified through-running system.
-
E.
Baltimore Harbor Tunnel
The Baltimore Harbor Tunnel is a vehicular tunnel in Baltimore, Maryland, that carries Interstate 895 beneath the harbor as a major route for traffic bypassing downtown.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: transferFeature Context triple: [Farragut West, transferFeature, Farragut Crossing (virtual tunnel)]
-
A.
transferType
Indicates the specific method or category of how something is transferred from one entity to another.
-
B.
transferAfter
Indicates that one entity transfers something to another entity only after a specified event or condition has occurred.
-
C.
transferEvent
Indicates an event in which something is moved, handed over, or reassigned from one entity to another.
-
D.
transferMode
Indicates the method or mechanism by which something is transferred from one entity to another.
-
E.
transferPolicy
Indicates a rule or set of conditions governing when and how something may be transferred from one party or location to another.
- F. None of above. chosen
Provenance (7 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_69c68a5bfaac81909ce7f001dfb70c76 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f18451d88190ad4a2674279bb703 |
completed | March 27, 2026, 9:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c802c711788190806987567dbc9942 |
completed | March 28, 2026, 4:33 p.m. |
| NEDg | Description generation | batch_69c8035151a481908a33c1ecd12c2f6d |
completed | March 28, 2026, 4:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c803aea0808190a5208c02a0db1187 |
completed | March 28, 2026, 4:37 p.m. |
| PD | Predicate disambiguation | batch_69c6f02ee3e08190a7a00c981129b22c |
completed | March 27, 2026, 9:01 p.m. |
| PDg | Predicate description generation | batch_69c6f0ebf9c88190af5a4d87d3fd338a |
completed | March 27, 2026, 9:04 p.m. |
Created at: March 27, 2026, 3:07 p.m.