Anna Vacalopoulou

Anna Vacalopoulou
Institute for Language and Speech Processing | ISLP · ILSP

MA in Lexicography

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62
Publications
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171
Citations

Publications

Publications (62)
Conference Paper
The Multilingual Sign Language Wordnet is the first publicly available wordnet resource for sign languages. It is a growing multilingual resource providing data for eight sign languages to date. During the initial phase of its creation, the focus lay on producing the infrastructure to support various languages and to produce initial sets of content...
Conference Paper
Full-text available
Artificial intelligence (AI) is transforming education by introducing innovative tools and approaches to enhance teaching and learning. Chatbots like Dawebot and TA-bot serve as intelligent student assistants, providing interactive quizzes, immediate feedback, and personalized support. AI-based systems like Rexy and Kwame offer personalized learnin...
Technical Report
Full-text available
The interlingual index links sign language resources with a multilingual wordnet, connecting languages at the level of semantic concepts. This final project release of the index covers both the core sign languages of the project as well as two additional languages. EXECUTIVE SUMMARY This report describes the EASIER deliverable of an interlingual in...
Chapter
This paper presents work within the framework of the R&D project “Mythological Routes in Eastern Macedonia and Thrace”, which showcases the cultural wealth of the region of Eastern Macedonia and Thrace as the basis for the development of the tourism industry. The starting point of the project is the systematic recording, mapping, and promotion of a...
Technical Report
Full-text available
The purpose of the interlingual index is to link the lexical resources of all sign languages of the project. This is the second version of the index, which covers all the languages of the project.
Experiment Findings
A wordnet for a number of sign languages targeted in the Easier project.
Conference Paper
Full-text available
This paper presents our implementation of interactive services related to map-based exploration of cultural heritage geospatial data. We first present our methodology for interlinking geographical entities (e.g., Points of Interest), i.e., the identification of same real-world geographical representations between different data sources. Then, we pr...
Article
This article describes a small-scale study to assess the extent of gender stereotypes and the ways in which these are represented in Modern Greek dictionaries for primary school children. The recent boom in Greek lexicography has led to an increase in the publication of children's dictionaries. At the same time, discussions concerning gender issues...
Conference Paper
Full-text available
The direct involvement of deaf users in the development and evaluation of signing avatars is imperative to achieve legibility and raise trust among synthetic signing technology consumers. A paradigm of constructive cooperation between researchers and the deaf community is the EASIER project1, where user driven design and technology development have...
Article
Full-text available
Although signing avatar technology seems to be the only option currently available to serve sign language (SL) display in the context of applications which demand generative capacity from the part of the technology like in machine translation to SL, signing avatars have not yet been accepted by signers' communities. One major factor for this reject...
Conference Paper
Thesauri have long been recognized as valuable structured resources aiding Information Retrieval systems. A thesaurus provides a precise and controlled vocabulary which serves to coordinate data indexing and retrieval. The paper presents a bilingual Greek and English specialized thesaurus that is being developed as the backbone of a platform aimed...
Conference Paper
This paper reports on the restructuring of a bilingual (Greek Sign Language, GSL – Modern Greek) lexicographic database with the use of the WordNet semantic and lexical database. The relevant research was carried out by the Institute for Language and Speech Processing (ILSP) / Athena R.C. team within the framework of the European project Easier. Th...
Conference Paper
Wordnets have been a popular lexical resource type for many years. Their sense-based representation of lexical items and numerous relation structures have been used for a variety of computational and linguistic applications. The inclusion of different wordnets into multilingual wordnet networks has further extended their use into the realm of cross...
Conference Paper
Full-text available
The paper gives an account of an infrastructure that will be integrated into a platform aimed at providing a multi-faceted experience to visitors of Northern Greece using mythology as a starting point. This infrastructure comprises a multi-lingual and multi-modal corpus (i.e., a corpus of textual data supplemented with images and video) that belong...
Conference Paper
This paper presents ongoing work within the framework of the R&D project “Mythological Routes in Eastern Macedonia and Thrace”, which is co-financed by Greece and the European Union, aiming at showcasing the cultural wealth of the region of Eastern Macedonia and Thrace as the basis for the development of the tourism industry. The starting point of...
Article
Full-text available
Robots can play a significant role as assistive devices for people with movement impairment and mild cognitive deficit. In this paper we present an overview of the lightweight i-Walk intelligent robotic rollator, which offers cognitive and mobility assistance to the elderly and to people with light to moderate mobility impairment. The utility, usab...
Article
Full-text available
We present AΜAΛΘΕΙA (AMALTHIA), an application ontology that models the domain of dishes as they are presented in 112 menus collected from restaurants/taverns/patisseries in East Macedonia and Thrace in Northern Greece. AΜAΛΘΕΙA supports a tourist mobile application offering multilingual translation of menus, dietary and cultural information about...
Chapter
Full-text available
Robotic rollators can play a significant role as assistive devices for people with impaired movement and mild cognitive deficit. This paper presents an overview of the i-Walk concept; an intelligent robotic rollator offering cognitive and ambulatory assistance to people with light to moderate movement impairment, such as the elderly. We discuss the...
Book
The first handbook of Lexicography written in Greek.
Chapter
The paper focuses on the method and steps implementing a suite of rehabilitation exercises on an assistive robotic platform. The suite is based on extensive user needs identification procedures and consultation with medical and rehabilitation experts. For the design of the human-robot interaction (HRI) component of the platform, the user centered a...
Conference Paper
Full-text available
Gastronomy is increasingly becoming a decisive flavour of tourists’ experience. Tourists’ gastronomic experience could be significantly enhanced by AI tools that provide image-based dish recognition and menu translation, thus covering the basic needs of tourists during a visit that involves culinary experiences. This paper presents and discusses so...
Conference Paper
This paper is an analysis of the main challenges in developing sign language resources such as corpora and dictionaries. Although difficulties in data collection and processing are common with those in similar projects for vocal languages, there are extra complications that seem to be unique to the creation of resources for sign languages. These, m...
Conference Paper
As part of our project entitled “GRE-Taste: The Taste of Greece,” we have been developing a trilingual (Greek, English and Russian) thesaurus of food served in restaurants in Eastern Macedonia and Thrace. To this end, we have designed a web thesaurus development environment, and have defined facets and subfacets corresponding to the following major...
Poster
Full-text available
Greek Sign Language (GSL) was recognized as an official language in 2000 [1], but was not until 2017 [2] that it finally gained equal status with Modern Greek (MG). Considering the above facts, it is not surprising that available electronic resources in GSL are far from abundant. Even scarcer are original resources that have been generated by the d...
Article
This paper explores the inclusion of genericized trademarks that have made their way into Greek dictionaries. Genericized trademarks constitute a special type of neologism, balancing between non-lexical and lexical, between "proper" and "common". Although the goal of creating a brand name is to make a specific product easily recognizable by disting...
Conference Paper
Full-text available
A common problem for the elderly population with mobility impairment is the difficulties in performing Activities of Daily Living (ADLs), that consequently leads to restrictions and the degradation of the living standards of the elders. When designing a user-centered assistive device for mobility constrained people, the variable spectrum of disabil...
Conference Paper
We have been developing a trilingual thesaurus of food served in restaurants in Macedonia and Thrace. We have designed and implemented a web terminographical environment that (i) accommodates a set of texts retrieved from the restaurant menus of the study area and (ii) enables the development of the thesaurus recording information about dishes and...
Conference Paper
Full-text available
Here we present the methodological principles and technologies, which compose the backbone of designing the i-Walk platform Human Robot Interaction (HRI) environment. The reported work builds upon experience gained from previous engagement with development of the multimodal HRI communication model of the MOBOT assistive robotic rollator and its end...
Article
Full-text available
In this paper, we touch upon the requirement for accessibility via Sign Language as regards dynamic composition and exchange of new content in the context of natural language-based human interaction, and also the accessibility of web services and electronic content in written text by deaf and hard-of-hearing individuals. In this framework, one key...
Article
Full-text available
This article describes ongoing work on the design of an online application to support standardized classification of collections of folk exhibits and contribute to the collections' management and promotion. The rationale behind this is the normalization of comparable and multilingual controlled terminologies and their parallelization with recognize...
Chapter
We describe ongoing work on the design of an online application to support the standardized classification of a large volume of folk exhibits collections and contribute to their management and promotion. The rationale behind our work is the normalization of comparable and multilingual controlled terminologies and their parallelization with internat...
Conference Paper
This paper describes the process of compiling NOEMA+, a bilingual dictionary of approximately 12,000 entries for the pair Greek Sign Language (GSL) - Modern Greek (MG) and of making it available openly online (http://sign.ilsp.gr/signilsp-site/index.php/el/noima/). The dictionary was based on several corpora that have been collected over the years,...
Conference Paper
Here we present the POLYTROPON parallel corpus for the language pair Greek Sign Language (GSL) – Modern Greek, which is created and annotated aiming to serve as a golden corpus available to the community of SL technologies for experimentation with various approaches to SL processing, focusing on machine learning for SL recognition, machine translat...
Conference Paper
Full-text available
In this paper, we touch upon the requirement for accessibility via Sign Language as regards dynamic composition and exchange of new content in the context of natural language based human interaction, and also accessibility of web services and electronic content in written text by deaf and hard-of-hearing individuals. In this framework, one key issu...
Article
Full-text available
In this paper, we report on the evaluation strategy and the results that were obtained from the final end-user evaluation process of an innovative robotic assistive device supporting mobility. More specifically, the paper deals with the evaluation of the MOBOT robotic rollator as regards to the system’s overall performance and its individual assist...
Conference Paper
In this paper, we report on the evaluation strategy and results obtained from the final end-user evaluation process of an innovative robotic assistive device supporting mobility. More specifically, we report on the evaluation of the MOBOT robotic rollator as regards the system's overall performance and its individual assistive characteristics and f...
Conference Paper
Accessibility of electronic content by deaf and hard-of-hearing WWW users is crucially depending on the possibility to acquire information that can be presented in their native sign language (SL), from the vast amounts of text sources being constantly uploaded. Similarly crucial is the ability to easily create new electronic content that can enable...
Conference Paper
In this paper we discuss the integration of a communication model in the MOBOT assistive robotic platform and its evaluation by target users. The MOBOT platform envisions the development of cognitive robotic assistant prototypes that act proactively, adaptively and interactively with respect to elderly humans with slight walking and cognitive impai...
Conference Paper
This paper presents a multilingual lexicographic project – expected to be completed by the end of 2015 – which focuses on the development of a set of corpus-based dictionaries for users not previously targeted; namely, adult immigrants in Greece trying to cope with a new reality. The project caters for languages that as of yet remain disjoint and a...
Conference Paper
Full-text available
In the last decade, there has been a great debate over how ICT can best be harnessed to improve efficiency and effectiveness of education at all levels. Recently, the Greek Ministry of Education recommended the use of ICT in language learning in Vocational Secondary Education. In order to meet the particular needs of students attending vocational s...
Article
Full-text available
Recent research has proven that most of the students attending technical and vocational secondary schools have learning gaps, particularly in language and mathematics. The aim of the paper is to present an e-learning platform that will be used during the two-hour supportive modern Greek lesson introduced in the official curriculum in 2011. Through...
Conference Paper
Full-text available
We present a multi-lingual Lexical Resource (LR) developed in the context of a lexicographic project that involves the development of user-oriented dictionaries for immigrants in Greece. The LR caters to languages that as of yet remain disconnected, and also encompasses a variety of styles that are relevant to communicative situations that the targ...
Conference Paper
Full-text available
In this paper we describe on-going work aimed at the creation of a suite of specialized Language Resources (LRs) intended for users not previously targeted at, namely, adult immigrants in Greece. The ultimate goal being to help them integrate in the Greek society, we aim to provide support touching at basic linguistic, social and everyday issues. T...
Conference Paper
Στη συγκεκριμένη ανακοίνωση παρουσιάζεται η διαδικασία σχεδιασμού και ανάπτυξης μιας σειράς λογισμικών για την εκμάθηση της Ελληνικής ως δεύτερης γλώσσας, τα οποία απευθύνονται στους μαθητές της μουσουλμανικής μειονότητας της Θράκης. Τα λογισμικά αυτά αναπτύχθηκαν από το Ινστιτούτο Επεξεργασίας του Λόγου στο πλαίσιο του Προγράμματος «Εκπαίδευση Μου...
Conference Paper
Lingu@net Europa is an on-line multilingual resource centre which offers free access to more than 1,500 on-line resources related to the teaching and learning of over 45 foreign languages selected from throughout Europe and further afield. It has been developed since 1998 by a consortium of academic, educational, cultural, vocational and technical...
Book
Πρόκειται για ελληνοτουρκικό λεξικό πολυμέσων με 6.000 λήμματα Απευθύνεται σε παιδιά ηλικίας 8-12 ετών και συνοδεύει τη μέθοδο εκμάθησης της ελληνικής Ένας Ιππότης στο κάστρο των λέξεων/ Ένας Ιππότης στο κάστρο των γραμμάτων. Tο παιδικό λεξικό περιέχει σε κάθε λήμμα παραδείγματα διάφορων χρήσεων, με μετάφραση στην τουρκική, γραμματικές πληροφορίες,...
Article
Full-text available
In this paper we present the methodology of data collection and implementation of databases with the purpose to create extensive lexical and terminological resources for the Greek Sign Language (GSL). The focus is on issues of linguistic content validation, multipurpose design and reusability of resources, exemplified by the multimedia dictionary p...
Book
Κατευθυντήριες γραμμές για τη δημιουργία, διαχείριση και επέκταση Κέντρων Γλωσσικών Πόρων (ΚΓΠ) από τους εταίρους του έργου LRC (ΚΓΠ)
Conference Paper
Στο πλαίσιο του εγχειρήματος για την αναβάθμιση της εκπαίδευσης στα μειονοτικά σχολεία, δημιουργήθηκε από το Ινστιτούτο Επεξεργασίας του Λόγου ένα ελληνοτουρκικό παιδικό λεξικό πολυμέσων 6.000 λημμάτων. Το λεξικό αυτό αποτελεί μέρος ενός ολοκληρωμένου συστήματος εκμάθησης της ελληνικής ως δεύτερης γλώσσας για τα παιδιά του Δημοτικού.
Book
Το «Λεξικό του Δημοτικού» φιλοδοξεί να ανταποκριθεί στις ιδιαίτερες ανάγκες κάθε μαθητή του δημοτικού σχολείου, αλλά και να τον μυήσει στη φιλοσοφία και στον τρόπο χρήσης ενός λεξικού. Για το σκοπό αυτό, τα 6000 περίπου λήμματα είναι γραμμένα με τρόπο απλό και κατανοητό για τα παιδιά. Περιλαμβάνουν, εκτός από την ερμηνεία των λέξεων, γραμματικές πλ...
Book
Ένα πρωτότυπο και ευχάριστο λεξικό ειδικά για τους μαθητές του Δημοτικού. Ένα απαραίτητο εργαλείο για την εκμάθηση της ελληνικής γλώσσας. Περιλαμβάνει όλο το βασικό λεξιλόγιο της κοινής νεοελληνικής που χρειάζονται οι μαθητές του Δημοτικού και επιπλέον: έγκυρα και απλά ερμηνεύματα. Παραδείγματα για την καλύτερη κατανόηση και χρήση των λέξεων. Συνών...
Article
Full-text available
This paper presents the Hellenic National (HNC), which is the corpus of Modern Greek developed by the Institute for Language and Speech Processing (ILSP). The presentation describes all stages of the creation of the corpus: collection of the material, tagging and tokenizing, construction of the database and the online implementation which aims at r...

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