Triple
T777490
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Old Town (Alexandria, Virginia) |
E16419
|
entity |
| Predicate | hasTransportation |
P105
|
FINISHED |
| Object |
King Street Trolley
King Street Trolley is a free circulator shuttle in Alexandria, Virginia, that runs along King Street through Old Town, connecting key shops, restaurants, and transit hubs for visitors and residents.
|
E93316
|
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: King Street Trolley | Statement: [Old Town (Alexandria, Virginia), hasTransportation, King Street Trolley]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: King Street Trolley Context triple: [Old Town (Alexandria, Virginia), hasTransportation, King Street Trolley]
-
A.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
B.
McKinney Avenue Trolley
The McKinney Avenue Trolley is a heritage streetcar system in Dallas, Texas, that operates vintage trolleys as a free public transit service and tourist attraction.
-
C.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
-
D.
Market Street subway
The Market Street subway is a major underground transit corridor in San Francisco that carries both BART and Muni Metro trains beneath Market Street through the city’s downtown.
-
E.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
- 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: King Street Trolley Triple: [Old Town (Alexandria, Virginia), hasTransportation, King Street Trolley]
Generated description
King Street Trolley is a free circulator shuttle in Alexandria, Virginia, that runs along King Street through Old Town, connecting key shops, restaurants, and transit hubs for visitors and residents.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: King Street Trolley Target entity description: King Street Trolley is a free circulator shuttle in Alexandria, Virginia, that runs along King Street through Old Town, connecting key shops, restaurants, and transit hubs for visitors and residents.
-
A.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
B.
McKinney Avenue Trolley
The McKinney Avenue Trolley is a heritage streetcar system in Dallas, Texas, that operates vintage trolleys as a free public transit service and tourist attraction.
-
C.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
-
D.
Market Street subway
The Market Street subway is a major underground transit corridor in San Francisco that carries both BART and Muni Metro trains beneath Market Street through the city’s downtown.
-
E.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
- 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_69a4936ad1fc81908f190208059ccf78 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a74da7648190adfad56717d564df |
completed | March 1, 2026, 8:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a6733a21bc81909fa8f18cf8e0356a |
completed | March 3, 2026, 5:35 a.m. |
| NEDg | Description generation | batch_69a676dd01688190a75f606279630e3b |
completed | March 3, 2026, 5:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a677534eb88190bac864e663a900f1 |
completed | March 3, 2026, 5:53 a.m. |
Created at: March 1, 2026, 7:37 p.m.