Triple
T9389510
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Isthmus of Tehuantepec |
E225988
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object | Trans-Isthmic Railway |
E783399
|
NE FINISHED |
How this triple was built (2 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: Trans-Isthmic Railway | Statement: [Isthmus of Tehuantepec, crossedBy, Trans-Isthmic Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Trans-Isthmic Railway Context triple: [Isthmus of Tehuantepec, crossedBy, Trans-Isthmic Railway]
-
A.
South Central Pacific and Mexican Railway
chosen
The South Central Pacific and Mexican Railway was a 19th-century railroad enterprise involved in developing rail connections between the southwestern United States and Mexico.
-
B.
Trans-Mongolian Railway
The Trans-Mongolian Railway is a major international rail line linking Russia, Mongolia, and China, running from Ulan-Ude through Ulaanbaatar to Beijing as a key route for both passenger travel and freight.
-
C.
Pangrango Line
The Pangrango Line is a passenger railway route in West Java, Indonesia, connecting Bogor with Sukabumi and serving as an important regional commuter and intercity link.
-
D.
Chollima Line
The Chollima Line is one of the main lines of the Pyongyang Metro in North Korea, known for its deep underground stations and ornate socialist-realist decor.
-
E.
Hukun railway
Hukun railway is a major Chinese rail line connecting Shanghai with Kunming, linking the country’s eastern coast to its southwestern interior.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca842f7e3481908bf5bcf52e032dbd |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cd50d83c188190925c389dff1341b0 |
completed | April 1, 2026, 5:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d100f86bac8190a26ab156f24455bb |
completed | April 4, 2026, 12:15 p.m. |
Created at: March 30, 2026, 7:45 p.m.