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Alejandro Figueroa

Research associate

Universidad Andrés Bello

Santiago, Chile

Natural Language Processing, Text Mining, Question Answering, data analysis, data science, big data, machine learning, data mining, web mining, data science. Multimodal models: texts, graphs and images.

Computer Linguistics, UNIVERSITAT DES SAARLANDES. Alemania, 2010
Language Technologies, UNIVERSITAT DES SAARLANDES. Chile, 2006
Computer Science, UNIVERSIDAD TECNICA FEDERICO SANTA MARIA. Chile, 2003
Informatics Engineer, UNIVERSITAT DES SAARLANDES. Chile, 2003

Profesor Part Time

universidad bernando O'higgins

Ingienería

Santiago, Chile

2012 - A la fecha
Research Professor Full Time

UNIVERSIDAD ANDRES BELLO

Ingienería

Santiago, Chile

2015 - A la fecha

junior researcher Full Time

German Centre for Artificial Intelligence

Alemania

2006 - 2010
Research Assistant Part Time

German Centre for Artificial Intelligence

Chile

2004 - 2006
Software Engineer Full Time

Novared

Chile

2004 - 2004
Software Engineer Full Time

Sixbell

Chile

2003 - 2004
PostDoc Researcher Full Time

Yahoo! Labs

Chile

2010 - 2012
Research Associate Part Time

Yahoo! Labs

Chile

2012 - 2014

Teaching:

1. Data Mining and Natural Language Processing, 2013 & 2012
2. Artificial Intelligence, 2012 -- Today
3. Foundations of Algorithmic, 2014

Passed the First Certificate in English (FCE)

UNIVERSITY OF CAMBRIDGE

Reino Unido, 2003

Passed the First Certificate in English (FCE)
Preliminary English Test passed with merits, University of Cambridg

UNIVERSITY OF CAMBRIDGE

Chile, 1992

Preliminary English Test passed with merits, University of Cambridg
Postgrade Department, UTFSM. Master of Engineering in Computer Science scholarship

UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

Chile, 2000

Postgrade Department, UTFSM. Master of Engineering in Computer Science scholarship


Dual-View Learning for Detecting Web Query Intents Figueroa A.; Atkinson J. Article ISI SCOPUS COMPUTER (2019)
Integrating heterogeneous sources for predicting question temporal anchors across Yahoo! Answers Figueroa A.; GÃ³mez-Pantoja C.; Neumann G. Article ISI SCOPUS INFORMATION FUSION (2019)
Automatically generating effective search queries directly from community question-answering questions for finding related questions Figueroa A. Article ISI SCOPUS EXPERT SYSTEMS WITH APPLICATIONS (2017)
Automatically Generating Effective Search Queries Directly from Community Question-Answering Questions for Finding Related Questions Article Journal of Expert Systems with Applications (2017)
Leveraging Linguistic Traits and Semi-Supervised Learning to Single Out Informational Content across How-to Community Question Answering Archives Palomera D., Figueroa A. Article Journal of Information Sciences (2017)
Leveraging linguistic traits and semi-supervised learning to single out informational content across how-to community question-answering archives Palomera D.; Figueroa A. Article ISI SCOPUS INFORMATION SCIENCES (2017)
Male or female: What traits characterize questions prompted by each gender in community question answering? Figueroa A. Article ISI SCOPUS EXPERT SYSTEMS WITH APPLICATIONS (2017)
Why was this asked? Automatically recognizing multiple motivations behind community question-answering questions Espina A.; Figueroa A. Article ISI SCOPUS EXPERT SYSTEMS WITH APPLICATIONS (2017)
Why was this Asked? Automatically Recognizing Multiples Motivations behind Community Question-Answering Questions Espina A., Figueroa A. Article Journal of Expert Systems with Applications, (2017)
Context-aware semantic classification of search queries for browsing community question-answering archives Figueroa, A; Neumann G. Article ISI KNOWLEDGE-BASED SYSTEMS (2016)
Ensembling Classifiers for Detecting User Intentions behind Web Queries Figueroa, A; Atkinson J. Article ISI SCOPUS IEEE Internet Computing (2016)
Search clicks analysis for discovering temporally anchored questions in community Question Answering Figueroa, A; Gomez-Pantoja, C; Herrera, I. Article ISI SCOPUS EXPERT SYSTEMS WITH APPLICATIONS (2016)
Exploring effective features for recognizing the user intent behind web queries Figueroa, A Article ISI SCOPUS Computers in Industry (2015)
Improving opinion retrieval in social media by combining features-based coreferencing and memory-based learning Atkinson J.; Salas G.; Figueroa, A Article ISI SCOPUS Information Sciences (2015)
Evolutionary optimization for ranking how-to questions based on user-generated contents Atkinson J.; Figueroa, A; Andrade, C Article ISI SCOPUS Expert Systems with Applications (2013)
CONTEXTUAL LANGUAGE MODELS FOR RANKING ANSWERS TO NATURAL LANGUAGE DEFINITION QUESTIONS Figueroa, A; Atkinson J. Article ISI SCOPUS Computational Intelligence (2012)
Intelligent answering location questions from the web using molecular alignment Figueroa, A; Atkinson J. Article ISI SCOPUS Journal of Intelligent Information Systems (2010)
Searching for Definitional Answers on the Web Using Surface Patterns Figueroa, A; Neumann G.; Atkinson J. Article ISI COMPUTER (2009)
Molecular sequence alignment for extracting answers for where-typed questions from Google snippets Figueroa, A; Atkinson J. Article ISI LEARNING AND INTELLIGENT OPTIMIZATION, LION 15 (2006)


Finding Answers to Definition Questions on the Web: Discovering Biographical Information across the Web Figueroa, A BookWhole


Maximum entropy context models for ranking biographical answers to open-domain definition questions Figueroa, A; Atkinson J. ConferencePaper 1604-2004: SUPERNOVAE AS COSMOLOGICAL LIGHTHOUSES (2011)
Answering definition questions: Dealing with data sparseness in lexicalised dependency trees-based language models Figueroa, A; Atkinson J. ConferencePaper ENTERPRISE, BUSINESS-PROCESS AND INFORMATION SYSTEMS MODELING (2010)
Using dependency paths for answering definition questions on the web Figueroa, A; Atkinson J. ConferencePaper 1604-2004: SUPERNOVAE AS COSMOLOGICAL LIGHTHOUSES (2009)
Using syntactic distributional patterns for data-driven answer extraction from the Web Figueroa, A; Atkinson J. ConferencePaper Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2006)
A Multilingual Framework for Searching Definitions in Web Snippets Figueroa, A; Neumann G. ConferencePaper
A Two-Step Named Entity Recognizer for Search Queries Figueroa, A; Eiselt A. ConferencePaper
Are Wikipedia Resources Useful for Discovering Answers to List Questions within Web Snippets? Figueroa, A ConferencePaper
Can Click Patterns across User’s Query Logs Predict Answers to Definition Questions? Figueroa, A ConferencePaper
Exploiting User Search Sessions for Categorizing Questions Figueroa, A; Neumann G. ConferencePaper
Finding Answers to Definition Questions across the Spanish Web Figueroa, A ConferencePaper
Finding Distinct Answers in Web Snippets Figueroa, A; Neumann G. ConferencePaper
Identifying Protein-Protein interactions in Biomedical publications Figueroa, A; Neumann G. ConferencePaper
ining Wikipedia Resources for Discovering Answers to List Questions in Web Snippets Figueroa, A ConferencePaper
Language Independent Answer Prediction on the Web Figueroa, A; Neumann G. ConferencePaper
Learning to Rank Effective Paraphrases from Query Logs for Community Question Answering Figueroa, A; Neumann G. ConferencePaper
Mining Web Snippets to Answer List Questions Figueroa, A; Neumann G. ConferencePaper
Mining Wikipedia for Discovering Multilingual Definitions on the Web Figueroa, A ConferencePaper
Surface Language Models for Discovering Temporally Anchored Definitions on The Web: Producing Chronologies as Answers to Definition Questions Figueroa, A ConferencePaper


Boosting the Recall of descriptive Phrases in Web Snippets Figueroa, A ConferencePoster


A Semantically-based Lattice Approach for Assessing Patterns in Text Mining Tasks Figueroa, A; Atkinson J.; Pérez, C. JournalWhole ¿
Category-specific Models for Ranking Effective Paraphrases in Community Question Answering Figueroa, A; Nuemann, G. JournalWhole EXPERT SYSTEMS WITH APPLICATIONS


Bridging the Gap between Askers and Answers in Community Question Answering Services FONDECYT (11130094) Proyecto 2013-2017 Inv. Responsable
The design of patent restrieval system that aims at comparing ideas not just words. CORFO - Start-Up Chile Proyecto 2013-2013 Personal técnico y/o de apoyo
Observatorios Escalables de la Web en Tiempo Real. NOTA=> Mi participación en el proyecto terminó en Mar. 2012 FONDEF (D09I1185) Proyecto 2011-2014 Investigador(a)

Alejandro Figueroa

Research associate

Universidad Andrés Bello

Santiago, Chile

John Atkinson

Full Professor

UNIVERSIDAD ADOLFO IBAÑEZ

Santiago, Chile

Alejandro Figueroa

Líneas de Investigación

Educación

Computer Linguistics, UNIVERSITAT DES SAARLANDES. Alemania, 2010

Language Technologies, UNIVERSITAT DES SAARLANDES. Chile, 2006

Computer Science, UNIVERSIDAD TECNICA FEDERICO SANTA MARIA. Chile, 2003

Informatics Engineer, UNIVERSITAT DES SAARLANDES. Chile, 2003

Experiencia Académica

Profesor Part Time

Research Professor Full Time

Experiencia Profesional

junior researcher Full Time

Research Assistant Part Time

Software Engineer Full Time

Software Engineer Full Time

PostDoc Researcher Full Time

Research Associate Part Time

Formación de Capital Humano

Premios y Distinciones

Passed the First Certificate in English (FCE)

Preliminary English Test passed with merits, University of Cambridg

Postgrade Department, UTFSM. Master of Engineering in Computer Science scholarship

Article (19)

BookWhole (1)

ConferencePaper (18)

ConferencePoster (1)

JournalWhole (2)

Proyecto (3)

Bridging the Gap between Askers and Answers in Community Question Answering Services

The design of patent restrieval system that aims at comparing ideas not just words.

Observatorios Escalables de la Web en Tiempo Real. NOTA=> Mi participación en el proyecto terminó en Mar. 2012