3 papers
cs.PL2009
REC language is a live on IBM1130 simulator, EL lenguaje REC esta vivo en el simulador de la IBM 1130
Ignacio Vega-Paez, Jose Angel Ortega, Georgina G. Pulido
REC (Regular Expression Compiler) is a concise programming language development in mayor Mexican Universities at end of 60s which allows students to write programs without knowledg…
cs.GR2008
Perspective Drawing of Surfaces with Line Hidden Line Elimination, Dibujando Superficies En Perspectiva Con Eliminacion De Lineas Ocultas
Ignacio Vega-Paez, Jose Angel Ortega, Georgina G. Pulido
An efficient computer algorithm is described for the perspective drawing of a wide class of surfaces. The class includes surfaces corresponding lo single-valued, continuous functio…
cs.DB2007
The problem determination of Functional Dependencies between attributes Relation Scheme in the Relational Data Model. El problema de determinar Dependencias Funcionales entre atributos en los esquemas en el Modelo Relacional
Ignacio Vega-Paez, Georgina G. Pulido, Jose Angel Ortega
An alternative definition of the concept is given of functional dependence among the attributes of the relational schema in the Relational Model, this definition is obtained in ter…