Triple
T4927996
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Francisco Muni historic streetcars |
E110622
|
entity |
| Predicate | maintenanceFacility |
P105
|
FINISHED |
| Object |
Cameron Beach Yard
Cameron Beach Yard is a San Francisco Muni facility used to store, service, and maintain the system’s historic streetcar fleet.
|
E480904
|
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: Cameron Beach Yard | Statement: [San Francisco Muni historic streetcars, maintenanceFacility, Cameron Beach Yard]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cameron Beach Yard Context triple: [San Francisco Muni historic streetcars, maintenanceFacility, Cameron Beach Yard]
-
A.
Coast Guard Beach
Coast Guard Beach is a popular Atlantic Ocean beach on Cape Cod in Eastham, Massachusetts, known for its scenic dunes, wildlife, and strong surf.
-
B.
Fleetwood Beach
Fleetwood Beach is a coastal shoreline in the town of Fleetwood, Lancashire, known for its expansive sands, views across Morecambe Bay, and traditional seaside atmosphere.
-
C.
Montrose Beach
Montrose Beach is a scenic sandy beach located on the Angus coast of northeastern Scotland, known for its expansive shoreline and North Sea views.
-
D.
Montrose Beach
Montrose Beach is a popular public beach on Chicago’s North Side along Lake Michigan, known for its expansive shoreline, bird sanctuary, and recreational facilities.
-
E.
Limantour Beach
Limantour Beach is a long, sandy shoreline on the Point Reyes Peninsula in California, known for its scenic dunes, wildlife viewing, and relatively sheltered surf.
- 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: Cameron Beach Yard Triple: [San Francisco Muni historic streetcars, maintenanceFacility, Cameron Beach Yard]
Generated description
Cameron Beach Yard is a San Francisco Muni facility used to store, service, and maintain the system’s historic streetcar fleet.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cameron Beach Yard Target entity description: Cameron Beach Yard is a San Francisco Muni facility used to store, service, and maintain the system’s historic streetcar fleet.
-
A.
Coast Guard Beach
Coast Guard Beach is a popular Atlantic Ocean beach on Cape Cod in Eastham, Massachusetts, known for its scenic dunes, wildlife, and strong surf.
-
B.
Fleetwood Beach
Fleetwood Beach is a coastal shoreline in the town of Fleetwood, Lancashire, known for its expansive sands, views across Morecambe Bay, and traditional seaside atmosphere.
-
C.
Montrose Beach
Montrose Beach is a scenic sandy beach located on the Angus coast of northeastern Scotland, known for its expansive shoreline and North Sea views.
-
D.
Montrose Beach
Montrose Beach is a popular public beach on Chicago’s North Side along Lake Michigan, known for its expansive shoreline, bird sanctuary, and recreational facilities.
-
E.
Limantour Beach
Limantour Beach is a long, sandy shoreline on the Point Reyes Peninsula in California, known for its scenic dunes, wildlife viewing, and relatively sheltered surf.
- 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_69bd4415190c8190817bee7ec9f9f944 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd7036d8e88190bc4be2975160da23 |
completed | March 20, 2026, 4:05 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be77ac88148190a51fa2e9085d6897 |
completed | March 21, 2026, 10:49 a.m. |
| NEDg | Description generation | batch_69be7847a378819081687ec783a8b862 |
completed | March 21, 2026, 10:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be7915a26c81909b21a128daebf5b3 |
completed | March 21, 2026, 10:55 a.m. |
Created at: March 20, 2026, 1:30 p.m.