Triple
T1561807
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cape Ann |
E33342
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Thacher Island Twin Lights
Thacher Island Twin Lights are a historic pair of lighthouses off Cape Ann in Massachusetts, notable as one of the last surviving twin light stations in the United States and a prominent aid to navigation since the 18th century.
|
E177483
|
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: Thacher Island Twin Lights | Statement: [Cape Ann, hasLandmark, Thacher Island Twin Lights]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thacher Island Twin Lights Context triple: [Cape Ann, hasLandmark, Thacher Island Twin Lights]
-
A.
Anacapa Island Lighthouse
Anacapa Island Lighthouse is a historic navigational beacon on Anacapa Island off the coast of California, guiding ships through the Santa Barbara Channel.
-
B.
Robbins Reef Lighthouse
Robbins Reef Lighthouse is a historic offshore beacon in New York Harbor that has guided ships since the 19th century and is famed for its distinctive “sparkplug” design and the story of its longtime keeper, Kate Walker.
-
C.
South Manitou Island Lighthouse
South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
-
D.
Outer Island Light
Outer Island Light is a historic lighthouse located on Outer Island in Wisconsin’s Apostle Islands, guiding ships navigating Lake Superior.
-
E.
Devils Island Light
Devils Island Light is a historic lighthouse located on Devils Island in Wisconsin’s Apostle Islands, guiding ships through the waters of Lake Superior.
- 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: Thacher Island Twin Lights Triple: [Cape Ann, hasLandmark, Thacher Island Twin Lights]
Generated description
Thacher Island Twin Lights are a historic pair of lighthouses off Cape Ann in Massachusetts, notable as one of the last surviving twin light stations in the United States and a prominent aid to navigation since the 18th century.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Thacher Island Twin Lights Target entity description: Thacher Island Twin Lights are a historic pair of lighthouses off Cape Ann in Massachusetts, notable as one of the last surviving twin light stations in the United States and a prominent aid to navigation since the 18th century.
-
A.
Anacapa Island Lighthouse
Anacapa Island Lighthouse is a historic navigational beacon on Anacapa Island off the coast of California, guiding ships through the Santa Barbara Channel.
-
B.
Robbins Reef Lighthouse
Robbins Reef Lighthouse is a historic offshore beacon in New York Harbor that has guided ships since the 19th century and is famed for its distinctive “sparkplug” design and the story of its longtime keeper, Kate Walker.
-
C.
South Manitou Island Lighthouse
South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
-
D.
Outer Island Light
Outer Island Light is a historic lighthouse located on Outer Island in Wisconsin’s Apostle Islands, guiding ships navigating Lake Superior.
-
E.
Devils Island Light
Devils Island Light is a historic lighthouse located on Devils Island in Wisconsin’s Apostle Islands, guiding ships through the waters of Lake Superior.
- 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_69a885ef9cf48190b0af0f5ce3d02231 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a9088710a881909a1226e4b54311b8 |
completed | March 5, 2026, 4:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad37151ad48190a8c25899b488c68b |
completed | March 8, 2026, 8:45 a.m. |
| NEDg | Description generation | batch_69ad385d931c8190a69b82853ba26a30 |
completed | March 8, 2026, 8:50 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad38d106348190835d753c6cffcc48 |
completed | March 8, 2026, 8:52 a.m. |
Created at: March 4, 2026, 7:27 p.m.