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Juan María Ale

Researcher at University of Buenos Aires

Publications -  19
Citations -  316

Juan María Ale is an academic researcher from University of Buenos Aires. The author has contributed to research in topics: Association rule learning & Active database. The author has an hindex of 5, co-authored 19 publications receiving 297 citations. Previous affiliations of Juan María Ale include Association for Computing Machinery & National University of La Plata.

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Proceedings ArticleDOI

An approach to discovering temporal association rules

TL;DR: The notion of association rules incorporating time incorporating time to the frequent itemsets discovered is expanded and the concept of temporal support is introduced.
Journal ArticleDOI

Discovering traffic congestion through traffic flow patterns generated by moving object trajectories

TL;DR: A model for the discovery of high traffic flow patterns in relation to traffic congestion is presented, represented in terms of traffic that is shared between different sectors of the pattern, making it possible to identify traffic flow situations causing congestion.
Journal ArticleDOI

Data Mining applied to Forensic Speaker Identification

TL;DR: The advantages of using data mining techniques and tools for data fusion in forensic speaker recognition with a focus on Argentine-Spanish voice samples recorded on a fixed telephone environment are analyzed.

Análisis de sentimientos sobre un corpus en español: experimentación con un caso de estudio

Abstract: Resumen. En este artículo se presenta la investigación, evaluación y comparación experimental de tócnicas de procesamiento de lenguaje natural para analisis de información subjetiva como opiniones, sentimientos y emociones en textos no estructurados en idioma español. Se implemento una herramienta para la extracción de opiniones de documentos con el objetivo de clasificarlos segun polaridad de sentimientos (positivos o negativos) utilizando como corpus de datos la base de comentarios de un sitio de crítica gastronómica al que se le aplican distintas tócnicas de preprocesamiento. La principal contribución de este artículo es la experimentacióon y evaluacióon de tóecnicas de clasificacioón subjetiva de textos para el idioma espanol en funcion del tamaño de corpus, tipos de atributos extraódos y preprocesamientos aplicados.

Induction trees for automatic word classification

TL;DR: Induction tree application for certain word category detection by simple morpho-syntactical descriptors is studied and results show that classification prediction power is good when stem is coordinated with a short list of descriptors.