Triple
T19556712
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Port Costa Warehouse ruins |
E489331
|
entity |
| Predicate | nearbyAttraction |
P3449
|
FINISHED |
| Object |
downtown Port Costa historic district
The downtown Port Costa historic district is a small, preserved 19th-century waterfront town center in Contra Costa County, California, known for its former grain-shipping facilities, Victorian-era buildings, and rustic, Old West character.
|
E1384092
|
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: downtown Port Costa historic district | Statement: [Port Costa Warehouse ruins, nearbyAttraction, downtown Port Costa historic district]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: downtown Port Costa historic district Context triple: [Port Costa Warehouse ruins, nearbyAttraction, downtown Port Costa historic district]
-
A.
Old Port historic district
The Old Port historic district is a waterfront neighborhood in Portland, Maine, known for its preserved 19th-century brick buildings, cobblestone streets, and vibrant mix of shops, restaurants, and nightlife.
-
B.
Southport Historic District
Southport Historic District is a preserved coastal village area in Fairfield, Connecticut, known for its 18th- and 19th-century architecture and maritime heritage.
-
C.
Downtown Portsmouth Historic District
Downtown Portsmouth Historic District is a preserved area in the heart of Portsmouth, New Hampshire, known for its historic architecture, waterfront setting, and role as a cultural and commercial center.
-
D.
Gold Coast Historic District
The Gold Coast Historic District is a prestigious, affluent neighborhood on Chicago’s Near North Side known for its historic mansions, luxury high-rises, and landmark architecture.
-
E.
North Beach Resort Historic District
North Beach Resort Historic District is a historic coastal neighborhood in Miami Beach, Florida, known for its distinctive MiMo (Miami Modern) architecture and mid-20th-century resort heritage.
- 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: downtown Port Costa historic district Triple: [Port Costa Warehouse ruins, nearbyAttraction, downtown Port Costa historic district]
Generated description
The downtown Port Costa historic district is a small, preserved 19th-century waterfront town center in Contra Costa County, California, known for its former grain-shipping facilities, Victorian-era buildings, and rustic, Old West character.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: downtown Port Costa historic district Target entity description: The downtown Port Costa historic district is a small, preserved 19th-century waterfront town center in Contra Costa County, California, known for its former grain-shipping facilities, Victorian-era buildings, and rustic, Old West character.
-
A.
Old Port historic district
The Old Port historic district is a waterfront neighborhood in Portland, Maine, known for its preserved 19th-century brick buildings, cobblestone streets, and vibrant mix of shops, restaurants, and nightlife.
-
B.
Southport Historic District
Southport Historic District is a preserved coastal village area in Fairfield, Connecticut, known for its 18th- and 19th-century architecture and maritime heritage.
-
C.
Downtown Portsmouth Historic District
Downtown Portsmouth Historic District is a preserved area in the heart of Portsmouth, New Hampshire, known for its historic architecture, waterfront setting, and role as a cultural and commercial center.
-
D.
Gold Coast Historic District
The Gold Coast Historic District is a prestigious, affluent neighborhood on Chicago’s Near North Side known for its historic mansions, luxury high-rises, and landmark architecture.
-
E.
North Beach Resort Historic District
North Beach Resort Historic District is a historic coastal neighborhood in Miami Beach, Florida, known for its distinctive MiMo (Miami Modern) architecture and mid-20th-century resort heritage.
- 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_69d8e8dc5d8c8190a6d7bd8864f43ca0 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e63d341d708190b8ef35822f8bfe7c |
completed | April 20, 2026, 2:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a07577e66c4819080298e223c2ece16 |
completed | May 15, 2026, 5:27 p.m. |
| NEDg | Description generation | batch_6a07583fc26481908bd2f00c19f3b4cd |
completed | May 15, 2026, 5:30 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a07594a23ac81908807df4605555d3f |
completed | May 15, 2026, 5:35 p.m. |
Created at: April 10, 2026, 1:42 p.m.