Triple
T4120888
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Michigan City, Indiana |
E92608
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Michigan City East Pierhead Lighthouse
The Michigan City East Pierhead Lighthouse is a historic Lake Michigan navigational beacon known for its distinctive pier setting and status as an iconic symbol of Michigan City’s maritime heritage.
|
E415837
|
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: Michigan City East Pierhead Lighthouse | Statement: [Michigan City, Indiana, hasLandmark, Michigan City East Pierhead Lighthouse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Michigan City East Pierhead Lighthouse Context triple: [Michigan City, Indiana, hasLandmark, Michigan City East Pierhead Lighthouse]
-
A.
Marquette Harbor Lighthouse
Marquette Harbor Lighthouse is a historic red-brick navigational beacon on Lake Superior that has guided ships into Marquette, Michigan’s harbor since the 19th century.
-
B.
Muskegon South Pierhead Light
Muskegon South Pierhead Light is a historic red lighthouse on Lake Michigan in Muskegon, Michigan, guiding vessels at the entrance to Muskegon Lake.
-
C.
Grosse Point Lighthouse
Grosse Point Lighthouse is a historic 19th-century lighthouse on the shore of Lake Michigan, notable for guiding ships into the Chicago area and now serving as a preserved landmark and museum.
-
D.
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.
-
E.
Lorain Lighthouse
Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
- 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: Michigan City East Pierhead Lighthouse Triple: [Michigan City, Indiana, hasLandmark, Michigan City East Pierhead Lighthouse]
Generated description
The Michigan City East Pierhead Lighthouse is a historic Lake Michigan navigational beacon known for its distinctive pier setting and status as an iconic symbol of Michigan City’s maritime heritage.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Michigan City East Pierhead Lighthouse Target entity description: The Michigan City East Pierhead Lighthouse is a historic Lake Michigan navigational beacon known for its distinctive pier setting and status as an iconic symbol of Michigan City’s maritime heritage.
-
A.
Marquette Harbor Lighthouse
Marquette Harbor Lighthouse is a historic red-brick navigational beacon on Lake Superior that has guided ships into Marquette, Michigan’s harbor since the 19th century.
-
B.
Muskegon South Pierhead Light
Muskegon South Pierhead Light is a historic red lighthouse on Lake Michigan in Muskegon, Michigan, guiding vessels at the entrance to Muskegon Lake.
-
C.
Grosse Point Lighthouse
Grosse Point Lighthouse is a historic 19th-century lighthouse on the shore of Lake Michigan, notable for guiding ships into the Chicago area and now serving as a preserved landmark and museum.
-
D.
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.
-
E.
Lorain Lighthouse
Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
- 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_69aed9685f70819086932777aec8d959 |
completed | March 9, 2026, 2:30 p.m. |
| NER | Named-entity recognition | batch_69af0203b8c88190b08dd64800a37168 |
completed | March 9, 2026, 5:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b576ae8ef08190ba2adcbd2bbe8d35 |
completed | March 14, 2026, 2:54 p.m. |
| NEDg | Description generation | batch_69b5778a01e48190acb14d544cd53a63 |
completed | March 14, 2026, 2:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b577f2d46c8190a66b2b536088633c |
completed | March 14, 2026, 3 p.m. |
Created at: March 9, 2026, 3:41 p.m.