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Technologies for Linguistic Analysis
January 5, 2020:
pullPOS: New open source project and new paper at Linguamatica

We are inaugurating a new open source project devoted to the detection of plurals in Spanish for the case of out-of-vocabulary units (web site in Spanish only). The paper describing the project has just been published today at Lingumatica.

November 13, 2019
Rogelio Nazar will offer a course at JELing

From Wednesday November 13 to Friday 15, 2019, Rogelio Nazar will be presenting a course titled "Introduction to Computational Linguistics" at JELing, which will take place at Univerdad Nacional de Cuyo, Mendoza, Argentina. The course is a gentle introduction to the state of the art of this area of ​​linguistics and he will explain the basics of different computational tools for natural language processing, from concordancers, to regular expressions, Perl and R programming languages and some basic Linux commands.

September 17, 2019:
We are presenting Verbario at PhrasaLex

Irene Renau and Rogelio Nazar will present the talk: "Verbario: A database of Spanish verbs as source for pedagogical lexicography". The presentation is about Verbario, a database of Spanish verbs built with the Corpus Pattern Analysis (CPA) technique. The database from manual analysis of Spanish verb patterns has been updated with new examples extracted from corpora. PhrasaLex will take place at Università degli Studi di Modena e Reggio-Emilia, Italy.

Tools & demos

We have implemented different types of applications and most of them can be tested online. Take a look.

+ Bifid: a parallel corpus aligner

+ Dsele: a model dictionary for ELE learners

+ EMaD: automatic categorization of discouse markers

+ Estilector: a tool for assisted writing

+ GeNom: a program to detect the gender of proper nouns

+ Jaguar: a tool for statistic corpus analysis

+ Kind: a taxonomy induction algorithm

+ Kwico: a concordancer for big corpora

+ Neven: a program to detect eventive nouns

+ Termout: a terminology extraction system

+ POL: named entity recognition and classification

+ Poppins: a supervised text classifier

+ Porcus: an interface for various taggers and parsers for Spanish

+ pullPOS: a project for the detection of plurals in Spanish

+ Sapo: a program to detect similarities between documents

+ Sicam: a Perl implementation of Ricardo Martínez' Excel routine to separate a Spanish Word in syllables (new!)

+ Verbario: corpus pattern analysis in Spanish


This is the view from where we are located, in the Sausalito lagoon, a quiet and lovely place in Viña del Mar, Chile. Sunny days. Birds can be seen in the center of the lagoon (click to enlarge).

As researchers, we are currently affiliated to:
Pontificia Universidad Católica de Valparaíso
Instituto de Literatura y Ciencias del Lenguaje

Av. El Bosque 1290, Viña del Mar, Chile

Upcoming Events

First semester 2020 (from March to June): Rogelio Nazar will offer a new course with the title Procesamiento de datos lingüísticos (Linguistic data processing) at the Postgraduate Program in Linguistics (PhD + Master programs) of the Pontifical Catholic University of Valparaiso. The idea is to spend the whole semester processing huge loads of text in different languages and have a lot of fun.

Latest ideas & research projects

We are developing new projects in computational linguistics and natural language processing:

+ Fondecyt Regular (2019-2021): "Polisemia regular de los sustantivos del español: análisis semiautomático de corpus, caracterización y tipología" (Regular polysemy of nouns in Spanish: semiautomatic analysis of corpus, characterization and tipology). Lead researcher: Irene Renau. Ref.: 1191204.

+ Fondecyt Regular (2019-2021): "Inducción automática de taxonomías de marcadores discursivos a partir de corpus multilingües" (Automatic induction of taxonomies of discourse markers from multilingual corpora). Lead researcher: Rogelio Nazar. Ref.: 1191481.

+ Ecos-Sud (International Project between Chile and France): "Inducción automática de taxonomías del español y el francés mediante técnicas cuantitativas y estadística de corpus". Lead researcher: Irene Renau. Ref.: C16H02.

+ Fondecyt Regular: "Desarrollo de la competencia terminológica a lo largo de la inserción disciplinar". Lead Researcher: Sabela Fernández. Co-researcher: Rogelio Nazar. Ref.: 11121597.

+ See more.

Recent publications

+ Irene Renau; Rogelio Nazar; Valesca Lecaros. (Forthcoming). "La evolución de las marcas ortográficas y tipográficas en los procesos de lexicalización de neologismos: un estudio en el vocabulario de la crisis económica en prensa española". Revista Española de Lingüística Aplicada/Spanish Journal of Applied Linguistics.

+ Robledo, H.; Nazar, R. (2018). "Clasificación automatizada de marcadores discursivos", Procesamiento del Lenguaje Natural, n. 61, pp 109-116.

+ Nazar, R. (Forthcoming). "El análisis cuantitativo de la coocurrencia léxica en la lexicografía especializada". Actas del VIII Congreso Internacional de Lexicografía Hispánica. Valencia, España: 27-29 Junio 2018.

+ Nazar, R. (2009 [2018]). Invitación al estudio estadístico del lenguaje. ArXiv:1804.07349 [stat.AP] (PDF)

+ See more.

Solutions for text processing

It is critical for organizations to have the ability to process information automatically, and very often that information is contained in documents to be read by humans rather than machines. We have different methods for text processing depending on the goal.

We can be helpful teaching people how to automatize their text processing routines. We can batch-process thousands of documents to extract information from them or to derive different types of statistics. We can also change these document, or generate databases or email correspondence based on information extracted from them. Anything that involves intelligent management of information can benefit from different degrees of automatization, and by doing that we can free time, effort and resources.

Tell us which are your needs and we will show you what we can do about it.