TweetNorm: a benchmark for lexical normalization of spanish tweets

The language used in social media is often characterized by the abundance of informal and non-standard writing. The normalization of this non-standard language can be crucial to facilitate the subsequent textual processing and to consequently help boost the performance of natural language processing...

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Detalles Bibliográficos
Autores: Alegria, Iñaki, Aranberri, Nora, Comas Umbert, Pere Ramon, Fresno, Víctor, Gamallo, Pablo, Padró, Lluís|||0000-0003-4738-5019, San Vicente Roncal, Iñaki, Turmo Borras, Jorge|||0000-0002-7521-1115, Zubiaga, Arkaitz
Tipo de recurso: artículo
Fecha de publicación:2015
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/80964
Acceso en línea:https://hdl.handle.net/2117/80964
https://dx.doi.org/10.1007/s10579-015-9315-6
Access Level:acceso abierto
Palabra clave:Standard language
Social media
Twitter
Lexical normalization
Corpus
Evaluation
Lexicografia
Normalització lingüística
Mitjans de comunicació social
Descripción
Sumario:The language used in social media is often characterized by the abundance of informal and non-standard writing. The normalization of this non-standard language can be crucial to facilitate the subsequent textual processing and to consequently help boost the performance of natural language processing tools applied to social media text. In this paper we present a benchmark for lexical normalization of social media posts, specifically for tweets in Spanish language. We describe the tweet normalization challenge we organized recently, analyze the performance achieved by the different systems submitted to the challenge, and delve into the characteristics of systems to identify the features that were useful. The organization of this challenge has led to the production of a benchmark for lexical normalization of social media, including an evaluation framework, as well as an annotated corpus of Spanish tweets-TweetNorm_es-, which we make publicly available. The creation of this benchmark and the evaluation has brought to light the types of words that submitted systems did best with, and posits the main shortcomings to be addressed in future work.