Piedras Negras
E180894
Piedras Negras is a Mexican border city in the state of Coahuila, located across the Rio Grande from Eagle Pass, Texas, and known for its industrial activity and cross-border trade.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Piedras Negras canonical | 25 |
How this entity was disambiguated
This entity first appeared as the object of triple T1577321 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piedras Negras Context triple: [Coahuila, hasCity, Piedras Negras]
-
A.
Tres Zapotes
Tres Zapotes is an important pre-Columbian archaeological site in Veracruz, Mexico, known for its monumental stone sculptures and as a key center of the Olmec and later Epi-Olmec cultures.
-
B.
Cacaxtla
Cacaxtla is an ancient Mesoamerican archaeological site in central Mexico, renowned for its well-preserved, vividly colored murals depicting complex scenes of warfare, ritual, and daily life.
-
C.
El Tajín
El Tajín is a major pre-Columbian archaeological site in eastern Mexico, renowned for its Pyramid of the Niches and its significance as a center of Classic Veracruz culture.
-
D.
La Venta
La Venta is an important ancient Olmec archaeological site in present-day Tabasco, Mexico, known for its colossal stone heads and early Mesoamerican ceremonial architecture.
-
E.
Monte Albán
Monte Albán is an ancient Zapotec archaeological site in Oaxaca, Mexico, renowned as one of the earliest and most important urban centers in Mesoamerican history.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Piedras Negras Target entity description: Piedras Negras is a Mexican border city in the state of Coahuila, located across the Rio Grande from Eagle Pass, Texas, and known for its industrial activity and cross-border trade.
-
A.
Tres Zapotes
Tres Zapotes is an important pre-Columbian archaeological site in Veracruz, Mexico, known for its monumental stone sculptures and as a key center of the Olmec and later Epi-Olmec cultures.
-
B.
Cacaxtla
Cacaxtla is an ancient Mesoamerican archaeological site in central Mexico, renowned for its well-preserved, vividly colored murals depicting complex scenes of warfare, ritual, and daily life.
-
C.
El Tajín
El Tajín is a major pre-Columbian archaeological site in eastern Mexico, renowned for its Pyramid of the Niches and its significance as a center of Classic Veracruz culture.
-
D.
La Venta
La Venta is an important ancient Olmec archaeological site in present-day Tabasco, Mexico, known for its colossal stone heads and early Mesoamerican ceremonial architecture.
-
E.
Monte Albán
Monte Albán is an ancient Zapotec archaeological site in Oaxaca, Mexico, renowned as one of the earliest and most important urban centers in Mesoamerican history.
- F. None of above. chosen
Statements (49)
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Piedras Negras Description of subject: Piedras Negras is a Mexican border city in the state of Coahuila, located across the Rio Grande from Eagle Pass, Texas, and known for its industrial activity and cross-border trade.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.