Nowadays, the generation of information through digital text documents has increased exponentially, so there is a need to store documents in mass storage devices such as high capacity hard discs, storage servers, the cloud and others. However, the storage that is carried out lacks a thematic organization, therefore, a search for information becomes complex. Given this problem, this publication describes the development of a system that has the purpose of classifying a digital text document based on the thematic content. This system implements ontologies to achieve a better classification by taking advantage of its characteristics. The system is divided into five tasks: the first is the implementation of a word count to create a frequency vector; The second task performs a refinement on the frequency vector to eliminate the sentence connectors and prepositions; the third task orders the vector from the highest to the lowest frequency; the fourth task takes the most significant set of frequencies vector, in which the ontology of a domain is applied and the relation that the words have to determine the thematic of the document is sought; and the fifth task is to organize the documents in a folder structure based on the identified domains. The system was developed with the incremental development methodology. To validate the operation of the system, a set of tests was carried out in a controlled scenario in order to verify the correct classification of the documents.
As the COVID-19 health crisis continues, schools have been forced to close their doors, leading school systems to find innovative ways to reach and teach their students. A novel way of reaching students is Augmented Reality. High secondary level students have abandoned their studies and / or the idea of studying at a college, this derived from the methodology of teaching and monitoring their learning. The virtual environment developed in this research is intended to motivate the student of high secondary education of specialty related to the career of engineering in computer systems to continue with their studies at a college by showing them the applications that can develop themselves with the tools technologies and the knowledge to be acquired within the computer systems engineering study program. For this proposal, the Unity 3D software was used, since it presents flexibility for the creation of any type of environment. An initial and final survey was implemented after presenting the AR app to determine whether after its use the students feel motivated to continue with their studies.
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