2 Search Results for "Sousa, Manuel"

Document
DOI: 10.4230/OASIcs.SLATE.2021.4
Lyntax - A grammar-Based Tool for Linguistics

Authors: Manuel Gouveia Carneiro de Sousa, Maria João Varanda Pereira, and Pedro Rangel Henriques

Published in: OASIcs, Volume 94, 10th Symposium on Languages, Applications and Technologies (SLATE 2021)

Abstract
This paper is focused on using the formalism of attribute grammars to create a tool that allows Linguistic teachers to construct automatically their own processors totally adapted to each linguistic exercise. The system developed, named Lyntax, is a compiler for a domain specific language which intends to enable the teacher to specify different kinds of sentence structures, and then, ask the student to test his own sentences against those structures. The processor Lyntax validates the grammar (DSL program) written by the teacher, generating a processor every time the student defines a new sentence. For that ANTLR is used in both steps, generating not only the specialized processor but also the visualization of the syntax tree for analysis purposes. An interface that supports the specification of the language was built, also allowing the use of the processor and the generation of the specific grammar, abstracting the user of any calculations.
Cite as

Manuel Gouveia Carneiro de Sousa, Maria João Varanda Pereira, and Pedro Rangel Henriques. Lyntax - A grammar-Based Tool for Linguistics. In 10th Symposium on Languages, Applications and Technologies (SLATE 2021). Open Access Series in Informatics (OASIcs), Volume 94, pp. 4:1-4:13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{desousa_et_al:OASIcs.SLATE.2021.4,
  author =	{de Sousa, Manuel Gouveia Carneiro and Pereira, Maria Jo\~{a}o Varanda and Henriques, Pedro Rangel},
  title =	{{Lyntax - A grammar-Based Tool for Linguistics}},
  booktitle =	{10th Symposium on Languages, Applications and Technologies (SLATE 2021)},
  pages =	{4:1--4:13},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-202-0},
  ISSN =	{2190-6807},
  year =	{2021},
  volume =	{94},
  editor =	{Queir\'{o}s, Ricardo and Pinto, M\'{a}rio and Sim\~{o}es, Alberto and Portela, Filipe and Pereira, Maria Jo\~{a}o},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2021.4},
  URN =		{urn:nbn:de:0030-drops-144213},
  doi =		{10.4230/OASIcs.SLATE.2021.4},
  annote =	{Keywords: Attribute Grammars, Linguistic Rules, Pedagogical Linguistic Tools}
}
Document
Short Paper
DOI: 10.4230/OASIcs.ICPEC.2021.15
Understanding Effects of the Algorithm Visualized with AR Techniques (Short Paper)

Authors: Lázaro V. O. Lima, Manuel Sousa, Luis Gonzaga Magalhães, and Pedro Rangel Henriques

Published in: OASIcs, Volume 91, Second International Computer Programming Education Conference (ICPEC 2021)

Abstract
We create analogies to understand and visualize complex concepts. Such approach, based on analogies are presentation of software, is also effective when it concerns software comprehension. Many visualization techniques for data structures have been developed in 2D and 3D to improve the visual representation of large structures. A common challenge faced by developers that want to implement these techniques is to increase the amount of information to be displayed in each node seeking a balance between quantity and visibility. To overcome these challenges, this article presents a visualization technique using Augmented Reality to display hierarchical structures and understand the effects of the algorithm in data structures. The visualization system based on AR, proposed and discussed along the paper, allows the user to interact and navigate through the structure, enabling him to explore information in depth.
Cite as

Lázaro V. O. Lima, Manuel Sousa, Luis Gonzaga Magalhães, and Pedro Rangel Henriques. Understanding Effects of the Algorithm Visualized with AR Techniques (Short Paper). In Second International Computer Programming Education Conference (ICPEC 2021). Open Access Series in Informatics (OASIcs), Volume 91, pp. 15:1-15:10, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

Copy BibTex To Clipboard

@InProceedings{lima_et_al:OASIcs.ICPEC.2021.15,
  author =	{Lima, L\'{a}zaro V. O. and Sousa, Manuel and Magalh\~{a}es, Luis Gonzaga and Henriques, Pedro Rangel},
  title =	{{Understanding Effects of the Algorithm Visualized with AR Techniques}},
  booktitle =	{Second International Computer Programming Education Conference (ICPEC 2021)},
  pages =	{15:1--15:10},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-194-8},
  ISSN =	{2190-6807},
  year =	{2021},
  volume =	{91},
  editor =	{Henriques, Pedro Rangel and Portela, Filipe and Queir\'{o}s, Ricardo and Sim\~{o}es, Alberto},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.ICPEC.2021.15},
  URN =		{urn:nbn:de:0030-drops-142312},
  doi =		{10.4230/OASIcs.ICPEC.2021.15},
  annote =	{Keywords: Augmented Reality, Learning Resource, Data Visualization, Syntax Tree Visualization}
}
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