Search Results for author: Georgios Petasis

Found 13 papers, 1 papers with code

Ellogon Casual Annotation Infrastructure

no code implementations LREC 2020 Georgios Petasis, Leonidas Tsekouras

This paper presents a new annotation paradigm, casual annotation, along with a proposed architecture and a reference implementation, the Ellogon Casual Annotation Tool, which implements this paradigm and architecture.

Sentiment Analysis

Social Web Observatory: An entity-driven, holistic information summarization platform across sources

no code implementations RANLP 2019 Leonidas Tsekouras, Georgios Petasis, Aris Kosmopoulos

In this paper, we overview the platform, outline the analysis pipeline and describe a user study aimed to quantify the usefulness of the system and especially the meaningfulness and coherence of discovered events.

Segmentation of Argumentative Texts with Contextualised Word Representations

no code implementations WS 2019 Georgios Petasis

The segmentation of argumentative units is an important subtask of argument mining, which is frequently addressed at a coarse granularity, usually assuming argumentative units to be no smaller than sentences.

Argument Mining Contextualised Word Representations +1

Unsupervised Detection of Argumentative Units though Topic Modeling Techniques

no code implementations WS 2017 Alfio Ferrara, Stefano Montanelli, Georgios Petasis

In this paper we present a new unsupervised approach, {``}Attraction to Topics{''} {--} A2T , for the detection of argumentative units, a sub-task of argument mining.

Argument Mining Opinion Mining +1

CLARIN-EL Web-based Annotation Tool

1 code implementation LREC 2016 Ioannis Manousos Katakis, Georgios Petasis, Vangelis Karkaletsis

This paper presents a new Web-based annotation tool, the {``}CLARIN-EL Web-based Annotation Tool{''}.

NOMAD: Linguistic Resources and Tools Aimed at Policy Formulation and Validation

no code implementations LREC 2014 George Kiomourtzis, George Giannakopoulos, Georgios Petasis, Pythagoras Karampiperis, Vangelis Karkaletsis

The NOMAD project (Policy Formulation and Validation through non Moderated Crowd-sourcing) is a project that supports policy making, by providing rich, actionable information related to how citizens perceive different policies.

Retrieval Sentiment Analysis +2

Annotating Arguments: The NOMAD Collaborative Annotation Tool

no code implementations LREC 2014 Georgios Petasis

However, the construction of annotation tools that operate in a distributed environment is a challenging task: the majority of these tools are implemented as Web applications, having to cope with the capabilities offered by browsers.

The SYNC3 Collaborative Annotation Tool

no code implementations LREC 2012 Georgios Petasis

However, the construction of annotation tools that operate in a distributed environment is a challenging task: the majority of these tools are implemented as Web applications, having to cope with the capabilities offered by browsers.

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