Triple
T921168
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Virginia State Route 123 |
E19885
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object |
Potomac River crossings toward Washington, D.C.
Potomac River crossings toward Washington, D.C. are a series of bridges and routes that carry traffic over the Potomac River between Virginia, Maryland, and the District of Columbia, serving as key commuter and transportation links into the nation’s capital.
|
E107981
|
NE FINISHED |
How this triple was built (4 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: Potomac River crossings toward Washington, D.C. | Statement: [Virginia State Route 123, connects, Potomac River crossings toward Washington, D.C.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Potomac River crossings toward Washington, D.C. Context triple: [Virginia State Route 123, connects, Potomac River crossings toward Washington, D.C.]
-
A.
Potomac River waterfront areas
Potomac River waterfront areas are scenic riverfront zones along the Potomac that offer opportunities for outdoor recreation such as walking, boating, fishing, and enjoying natural views.
-
B.
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.
-
C.
Susquehanna River bridge at Havre de Grace
The Susquehanna River bridge at Havre de Grace is a historic railroad crossing over the Susquehanna River in Maryland that played a key role in 19th-century rail travel along the Northeast Corridor.
-
D.
Chesapeake and Ohio Canal National Historical Park (across Potomac)
Chesapeake and Ohio Canal National Historical Park is a protected historic and recreational area along the Potomac River that preserves the 19th-century C&O Canal and its towpath, offering hiking, biking, and insights into early American transportation history.
-
E.
Anacostia River
The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
- 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: Potomac River crossings toward Washington, D.C. Triple: [Virginia State Route 123, connects, Potomac River crossings toward Washington, D.C.]
Generated description
Potomac River crossings toward Washington, D.C. are a series of bridges and routes that carry traffic over the Potomac River between Virginia, Maryland, and the District of Columbia, serving as key commuter and transportation links into the nation’s capital.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Potomac River crossings toward Washington, D.C. Target entity description: Potomac River crossings toward Washington, D.C. are a series of bridges and routes that carry traffic over the Potomac River between Virginia, Maryland, and the District of Columbia, serving as key commuter and transportation links into the nation’s capital.
-
A.
Potomac River waterfront areas
Potomac River waterfront areas are scenic riverfront zones along the Potomac that offer opportunities for outdoor recreation such as walking, boating, fishing, and enjoying natural views.
-
B.
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.
-
C.
Susquehanna River bridge at Havre de Grace
The Susquehanna River bridge at Havre de Grace is a historic railroad crossing over the Susquehanna River in Maryland that played a key role in 19th-century rail travel along the Northeast Corridor.
-
D.
Chesapeake and Ohio Canal National Historical Park (across Potomac)
Chesapeake and Ohio Canal National Historical Park is a protected historic and recreational area along the Potomac River that preserves the 19th-century C&O Canal and its towpath, offering hiking, biking, and insights into early American transportation history.
-
E.
Anacostia River
The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
- F. None of above. chosen
Provenance (5 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_69a493a099788190a696d9d8408cbaf4 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4b3120dbc81908362158fe3ffa889 |
completed | March 1, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7cf6486d88190b53cd743b08eef33 |
completed | March 4, 2026, 6:21 a.m. |
| NEDg | Description generation | batch_69a7d02d9d308190a9e950ae034b2ec5 |
completed | March 4, 2026, 6:24 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a7d0aac93481908ffc2141d668e9d2 |
completed | March 4, 2026, 6:26 a.m. |
Created at: March 1, 2026, 7:40 p.m.