Triple
T3165850
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Potomac Yard–VT Metrorail station |
E66208
|
entity |
| Predicate | nearbyTrail |
P12052
|
FINISHED |
| Object |
Potomac Yard Trail
Potomac Yard Trail is a multi-use urban path in Alexandria, Virginia, popular with cyclists and pedestrians and running through the redeveloped Potomac Yard area.
|
E333534
|
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 Yard Trail | Statement: [Potomac Yard–VT Metrorail station, nearbyTrail, Potomac Yard Trail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Potomac Yard Trail Context triple: [Potomac Yard–VT Metrorail station, nearbyTrail, Potomac Yard Trail]
-
A.
Four Mile Run Trail
Four Mile Run Trail is a multi-use recreational path in Northern Virginia that follows Four Mile Run stream, linking parks, neighborhoods, and other major regional trails.
-
B.
Rock Creek Park Trail
Rock Creek Park Trail is a multi-use recreational path in Washington, D.C., that follows Rock Creek through wooded parkland for walking, running, and cycling.
-
C.
Anacostia Riverwalk Trail
The Anacostia Riverwalk Trail is a multi-use recreational path in Washington, D.C., that connects parks, neighborhoods, and waterfront areas along the Anacostia River.
-
D.
Anacostia Tributary Trail System
The Anacostia Tributary Trail System is a network of multi-use trails in the Washington, D.C. metropolitan area that follows the tributaries of the Anacostia River, providing recreational and commuter routes for cyclists, runners, and walkers.
-
E.
Rock Creek Trail
Rock Creek Trail is a recreational multi-use path in Broomfield, Colorado, popular for walking, running, and cycling through local open spaces and neighborhoods.
- 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 Yard Trail Triple: [Potomac Yard–VT Metrorail station, nearbyTrail, Potomac Yard Trail]
Generated description
Potomac Yard Trail is a multi-use urban path in Alexandria, Virginia, popular with cyclists and pedestrians and running through the redeveloped Potomac Yard area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Potomac Yard Trail Target entity description: Potomac Yard Trail is a multi-use urban path in Alexandria, Virginia, popular with cyclists and pedestrians and running through the redeveloped Potomac Yard area.
-
A.
Four Mile Run Trail
Four Mile Run Trail is a multi-use recreational path in Northern Virginia that follows Four Mile Run stream, linking parks, neighborhoods, and other major regional trails.
-
B.
Rock Creek Park Trail
Rock Creek Park Trail is a multi-use recreational path in Washington, D.C., that follows Rock Creek through wooded parkland for walking, running, and cycling.
-
C.
Anacostia Riverwalk Trail
The Anacostia Riverwalk Trail is a multi-use recreational path in Washington, D.C., that connects parks, neighborhoods, and waterfront areas along the Anacostia River.
-
D.
Anacostia Tributary Trail System
The Anacostia Tributary Trail System is a network of multi-use trails in the Washington, D.C. metropolitan area that follows the tributaries of the Anacostia River, providing recreational and commuter routes for cyclists, runners, and walkers.
-
E.
Rock Creek Trail
Rock Creek Trail is a recreational multi-use path in Broomfield, Colorado, popular for walking, running, and cycling through local open spaces and neighborhoods.
- 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_69ad8585d7988190af37365331093ccd |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada6424ee48190a29891ffbbc3811d |
completed | March 8, 2026, 4:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b235dca2848190bc2a46d6dd1c9fc7 |
completed | March 12, 2026, 3:41 a.m. |
| NEDg | Description generation | batch_69b236e4efe08190ade7c1cc4b941639 |
completed | March 12, 2026, 3:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b2375a75488190b3f2215c85d43f9c |
completed | March 12, 2026, 3:47 a.m. |
Created at: March 8, 2026, 3:06 p.m.