Los medios de comunicación en general, y la publicidad en particular, son considerados importantes agentes de socialización, incluso en temas relacionados con el género. No en vano el legislador se ha preocupado por la regulación de las imágenes de mujeres…

Data integration is the process of unifying data sharing some common semantics but are originated from unrelated sources. In our work we consider these sources are autonomous, heterogeneous and they are physically distributed. These three characteristics make the integration task…

This paper presents an evolution of a simulation environment where situations in which a DDB should maintain data integrity are modeled and implemented. These situations include failures taking place during transactions, and the focus is mainly on the utilization and…

We present partial results of a research project in which we use boolean circuits as a parallel computation model for the expression of queries to relational databases. For that purpose, we use the well-known equivalence between First Order Logic (FO)…

Instituto de Investigaciones Sociales,UNAM

The concept of “approximate” searching has applications in a vast number of fields. Some examples are non-traditional databases (e. g. storing images, fingerprints or audio clips, where the concept of exact search is of no use and we search instead…

Ontologies serve as a mean to establish a conceptually concise basis for communicating knowledge for many purposes. Within the information integration area, ontologies are useful to solve heterogeneity problems. They provide a set of knowledge terms, including the vocabulary, the…

AbstractThe study reported in this paper aimed at examining the role of creativity in L2 learners’ individual and collaborative written narrative task performance, with the sociocultural theory of mind as a frame of reference. To this end, a sample of…

Las listas de palabras con sus frecuencias se usan ampliamente en muchos procedimientos de agrupamiento y categorización de textos. Usualmente para la compilación de tales listas se usan las aproximaciones basadas en morfología (como el stemmer de Porter) para unir…

Purpose: This article examines the construct definition and validation of appropriate scales to measure the degree of display of the high involvement work practices. The ultimate goal is to propose a measurement model of high involvement practices to ensure the…