Triple
T12621092
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Walnut Creek station |
E301379
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
Pittsburg/Bay Point–Antioch corridor
The Pittsburg/Bay Point–Antioch corridor is a Bay Area Rapid Transit (BART) line segment in the eastern San Francisco Bay Area that serves communities from Pittsburg/Bay Point through Antioch.
|
E992856
|
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: Pittsburg/Bay Point–Antioch corridor | Statement: [Walnut Creek station, connectsTo, Pittsburg/Bay Point–Antioch corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburg/Bay Point–Antioch corridor Context triple: [Walnut Creek station, connectsTo, Pittsburg/Bay Point–Antioch corridor]
-
A.
Baltimore–Harrisburg corridor
The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
-
B.
Atlanta–Columbus corridor
The Atlanta–Columbus corridor is a major transportation and economic route in western Georgia that links the Atlanta metropolitan area with the city of Columbus and the communities in between.
-
C.
Piedmont corridor
The Piedmont corridor is a passenger rail route in North Carolina connecting key cities such as Raleigh, Durham, Greensboro, and Charlotte.
-
D.
Carson City–Dayton corridor
The Carson City–Dayton corridor is a key transportation and development route in western Nevada linking the state capital, Carson City, with the Dayton area and surrounding communities.
-
E.
Cleveland–Youngstown corridor
The Cleveland–Youngstown corridor is a major urban and economic region in northeastern Ohio linking the metropolitan areas of Cleveland and Youngstown.
- 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: Pittsburg/Bay Point–Antioch corridor Triple: [Walnut Creek station, connectsTo, Pittsburg/Bay Point–Antioch corridor]
Generated description
The Pittsburg/Bay Point–Antioch corridor is a Bay Area Rapid Transit (BART) line segment in the eastern San Francisco Bay Area that serves communities from Pittsburg/Bay Point through Antioch.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pittsburg/Bay Point–Antioch corridor Target entity description: The Pittsburg/Bay Point–Antioch corridor is a Bay Area Rapid Transit (BART) line segment in the eastern San Francisco Bay Area that serves communities from Pittsburg/Bay Point through Antioch.
-
A.
Baltimore–Harrisburg corridor
The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
-
B.
Atlanta–Columbus corridor
The Atlanta–Columbus corridor is a major transportation and economic route in western Georgia that links the Atlanta metropolitan area with the city of Columbus and the communities in between.
-
C.
Piedmont corridor
The Piedmont corridor is a passenger rail route in North Carolina connecting key cities such as Raleigh, Durham, Greensboro, and Charlotte.
-
D.
Carson City–Dayton corridor
The Carson City–Dayton corridor is a key transportation and development route in western Nevada linking the state capital, Carson City, with the Dayton area and surrounding communities.
-
E.
Cleveland–Youngstown corridor
The Cleveland–Youngstown corridor is a major urban and economic region in northeastern Ohio linking the metropolitan areas of Cleveland and Youngstown.
- 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_69d7bdeaf49c8190b13800111fa77ea3 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d960c8671881909a102d28b0e7f603 |
completed | April 10, 2026, 8:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f65ed6f79881908872c644a9789f04 |
completed | May 2, 2026, 8:30 p.m. |
| NEDg | Description generation | batch_69f660294004819089714099a08085f6 |
completed | May 2, 2026, 8:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6613ce1108190851cf8491fe666c8 |
completed | May 2, 2026, 8:40 p.m. |
Created at: April 9, 2026, 5:13 p.m.