Triple
T15574321
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Twin Peaks Tunnel |
E374328
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Forest Hill Station
Forest Hill Station is a historic underground Muni Metro station in San Francisco’s Forest Hill neighborhood, serving as one of the key stops along the Twin Peaks Tunnel.
|
E1166645
|
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: Forest Hill Station | Statement: [Twin Peaks Tunnel, hasStation, Forest Hill Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Forest Hill Station Context triple: [Twin Peaks Tunnel, hasStation, Forest Hill Station]
-
A.
Forest Hill station
Forest Hill station is a railway station in the London Borough of Lewisham that serves both London Overground and National Rail services, connecting suburban south-east London with central and east London.
-
B.
Hollis station
Hollis station is a Long Island Rail Road commuter rail stop located in the Hollis neighborhood of Queens, New York City.
-
C.
Rosedale station
Rosedale station is a subway station on Line 1 of the Toronto Transit Commission (TTC) serving the Rosedale neighbourhood in Toronto, Canada.
-
D.
Rosedale station
Rosedale station is a Long Island Rail Road commuter rail stop in the Rosedale neighborhood of Queens, New York City.
-
E.
Parker Road Station
Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
- 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: Forest Hill Station Triple: [Twin Peaks Tunnel, hasStation, Forest Hill Station]
Generated description
Forest Hill Station is a historic underground Muni Metro station in San Francisco’s Forest Hill neighborhood, serving as one of the key stops along the Twin Peaks Tunnel.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Forest Hill Station Target entity description: Forest Hill Station is a historic underground Muni Metro station in San Francisco’s Forest Hill neighborhood, serving as one of the key stops along the Twin Peaks Tunnel.
-
A.
Forest Hill station
Forest Hill station is a railway station in the London Borough of Lewisham that serves both London Overground and National Rail services, connecting suburban south-east London with central and east London.
-
B.
Hollis station
Hollis station is a Long Island Rail Road commuter rail stop located in the Hollis neighborhood of Queens, New York City.
-
C.
Rosedale station
Rosedale station is a subway station on Line 1 of the Toronto Transit Commission (TTC) serving the Rosedale neighbourhood in Toronto, Canada.
-
D.
Rosedale station
Rosedale station is a Long Island Rail Road commuter rail stop in the Rosedale neighborhood of Queens, New York City.
-
E.
Parker Road Station
Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
- 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_69d85ccd575081908909b71a3f3e3a61 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04e2140388190a8df7b835eaa72ce |
completed | April 16, 2026, 2:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff56c231e0819083d6032eb21114b2 |
completed | May 9, 2026, 3:46 p.m. |
| NEDg | Description generation | batch_69ff58334f688190907e331755156c8a |
completed | May 9, 2026, 3:52 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff588814808190a7e593a5ae80f816 |
completed | May 9, 2026, 3:53 p.m. |
Created at: April 10, 2026, 4:10 a.m.