42 Search Results for "Gon�alves, Ricardo"

Document
Short Paper
DOI: 10.4230/OASIcs.ICPEC.2023.10
Data Visualization for Learning Analytics Indicators in Programming Teaching (Short Paper)

Authors: Ranieri Alves dos Santos, Dalner Barbi, Vinicius Faria Culmant Ramos, and Fernando Alvaro Ostuni Gauthier

Published in: OASIcs, Volume 112, 4th International Computer Programming Education Conference (ICPEC 2023)

Abstract
Learning Analytics (LA) has the potential to transform the way we learn, work and live our lives. To reach its potential, it must be clearly defined, incorporated into institutional teaching-learning strategies and processes and practices. The main goal of this study is to list indicators to be used in learning analytics in programming teaching and how to expose their views. For the development of the indicator model, this study based on a qualitative analysis, using data visualization and business intelligence tools, in projects focused on Learning Analytics. As a result, four main indicators were mapped: accesses to the system, resources accessed, activities carried out and, performance in activities.
Cite as

Ranieri Alves dos Santos, Dalner Barbi, Vinicius Faria Culmant Ramos, and Fernando Alvaro Ostuni Gauthier. Data Visualization for Learning Analytics Indicators in Programming Teaching (Short Paper). In 4th International Computer Programming Education Conference (ICPEC 2023). Open Access Series in Informatics (OASIcs), Volume 112, pp. 10:1-10:7, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{dossantos_et_al:OASIcs.ICPEC.2023.10,
  author =	{dos Santos, Ranieri Alves and Barbi, Dalner and Ramos, Vinicius Faria Culmant and Gauthier, Fernando Alvaro Ostuni},
  title =	{{Data Visualization for Learning Analytics Indicators in Programming Teaching}},
  booktitle =	{4th International Computer Programming Education Conference (ICPEC 2023)},
  pages =	{10:1--10:7},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-290-7},
  ISSN =	{2190-6807},
  year =	{2023},
  volume =	{112},
  editor =	{Peixoto de Queir\'{o}s, Ricardo Alexandre and Teixeira Pinto, M\'{a}rio Paulo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.ICPEC.2023.10},
  URN =		{urn:nbn:de:0030-drops-185069},
  doi =		{10.4230/OASIcs.ICPEC.2023.10},
  annote =	{Keywords: learning analytics, data visualization, learning indicators}
}
Document
DOI: 10.4230/OASIcs.ICPEC.2023.12
Haskelite: A Step-By-Step Interpreter for Teaching Functional Programming

Authors: Pedro Vasconcelos

Published in: OASIcs, Volume 112, 4th International Computer Programming Education Conference (ICPEC 2023)

Abstract
This paper describes Haskelite, a step-by-step interpreter for a small subset of Haskell. Haskelite is designed to help teach fundamental concepts of functional programming, namely: evaluation by rewriting; definition of functions using pattern-matching; recursion; higher-order functions; and on-demand evaluation. The interpreter is implemented in Elm and compiled to JavaScript, so it runs on the browser and requires no installation. This is on-going work and has yet to be fully evaluated; we present some initial experience in the classroom and highlight some points for improvement.
Cite as

Pedro Vasconcelos. Haskelite: A Step-By-Step Interpreter for Teaching Functional Programming. In 4th International Computer Programming Education Conference (ICPEC 2023). Open Access Series in Informatics (OASIcs), Volume 112, pp. 12:1-12:8, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{vasconcelos:OASIcs.ICPEC.2023.12,
  author =	{Vasconcelos, Pedro},
  title =	{{Haskelite: A Step-By-Step Interpreter for Teaching Functional Programming}},
  booktitle =	{4th International Computer Programming Education Conference (ICPEC 2023)},
  pages =	{12:1--12:8},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-290-7},
  ISSN =	{2190-6807},
  year =	{2023},
  volume =	{112},
  editor =	{Peixoto de Queir\'{o}s, Ricardo Alexandre and Teixeira Pinto, M\'{a}rio Paulo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.ICPEC.2023.12},
  URN =		{urn:nbn:de:0030-drops-185080},
  doi =		{10.4230/OASIcs.ICPEC.2023.12},
  annote =	{Keywords: Functional programming, Step-by-step evaluators, Web applications}
}
Document
DOI: 10.4230/OASIcs.SLATE.2021.6
DataGen: JSON/XML Dataset Generator

Authors: Filipa Alves dos Santos, Hugo André Coelho Cardoso, João da Cunha e Costa, Válter Ferreira Picas Carvalho, and José Carlos Ramalho

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

Abstract
In this document we describe the steps towards DataGen implementation. DataGen is a versatile and powerful tool that allows for quick prototyping and testing of software applications, since currently too few solutions offer both the complexity and scalability necessary to generate adequate datasets in order to feed a data API or a more complex APP enabling those applications testing with appropriate data volume and data complexity. DataGen core is a Domain Specific Language (DSL) that was created to specify datasets. This language suffered several updates: repeating fields (with no limit), fuzzy fields (statistically generated), lists, highorder functions over lists, custom made transformation functions. The final result is a complex algebra that allows the generation of very complex datasets coping with very complex requirements. Throughout the paper we will give several examples of the possibilities. After generating a dataset DataGen gives the user the possibility to generate a RESTFull data API with that dataset, creating a running prototype. This solution has already been used in real life cases, described with more detail throughout the paper, in which it was able to create the intended datasets successfully. These allowed the application’s performance to be tested and for the right adjustments to be made. The tool is currently being deployed for general use.
Cite as

Filipa Alves dos Santos, Hugo André Coelho Cardoso, João da Cunha e Costa, Válter Ferreira Picas Carvalho, and José Carlos Ramalho. DataGen: JSON/XML Dataset Generator. In 10th Symposium on Languages, Applications and Technologies (SLATE 2021). Open Access Series in Informatics (OASIcs), Volume 94, pp. 6:1-6:14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{santos_et_al:OASIcs.SLATE.2021.6,
  author =	{Santos, Filipa Alves dos and Cardoso, Hugo Andr\'{e} Coelho and da Cunha e Costa, Jo\~{a}o and Carvalho, V\'{a}lter Ferreira Picas and Ramalho, Jos\'{e} Carlos},
  title =	{{DataGen: JSON/XML Dataset Generator}},
  booktitle =	{10th Symposium on Languages, Applications and Technologies (SLATE 2021)},
  pages =	{6:1--6:14},
  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.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2021.6},
  URN =		{urn:nbn:de:0030-drops-144239},
  doi =		{10.4230/OASIcs.SLATE.2021.6},
  annote =	{Keywords: JSON, XML, Data Generation, Open Source, REST API, Strapi, JavaScript, Node.js, Vue.js, Scalability, Fault Tolerance, Dataset, DSL, PEG.js, MongoDB}
}
Document
DOI: 10.4230/OASIcs.SLATE.2021.7
MUAHAH: Taking the Most out of Simple Conversational Agents

Authors: Leonor Llansol, João Santos, Luís Duarte, José Santos, Mariana Gaspar, Ana Alves, Hugo Gonçalo Oliveira, and Luísa Coheur

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

Abstract
Dialog engines based on multi-agent architectures usually select a single agent, deemed to be the most suitable for a given scenario or for responding to a specific request, and disregard the answers from all of the other available agents. In this work, we present a multi-agent plug-and-play architecture that: (i) enables the integration of different agents; (ii) includes a decision maker module, responsible for selecting a suitable answer out of the responses of different agents. As usual, a single agent can be chosen to provide the final answer, but the latter can also be obtained from the responses of several agents, according to a voting scheme. We also describe three case studies in which we test several agents and decision making strategies; and show how new agents and a new decision strategy can be easily plugged in and take advantage of this platform in different ways. Experimentation also confirms that considering several agents contributes to better responses.
Cite as

Leonor Llansol, João Santos, Luís Duarte, José Santos, Mariana Gaspar, Ana Alves, Hugo Gonçalo Oliveira, and Luísa Coheur. MUAHAH: Taking the Most out of Simple Conversational Agents. In 10th Symposium on Languages, Applications and Technologies (SLATE 2021). Open Access Series in Informatics (OASIcs), Volume 94, pp. 7:1-7:12, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{llansol_et_al:OASIcs.SLATE.2021.7,
  author =	{Llansol, Leonor and Santos, Jo\~{a}o and Duarte, Lu{\'\i}s and Santos, Jos\'{e} and Gaspar, Mariana and Alves, Ana and Gon\c{c}alo Oliveira, Hugo and Coheur, Lu{\'\i}sa},
  title =	{{MUAHAH: Taking the Most out of Simple Conversational Agents}},
  booktitle =	{10th Symposium on Languages, Applications and Technologies (SLATE 2021)},
  pages =	{7:1--7:12},
  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.2021.7},
  URN =		{urn:nbn:de:0030-drops-144248},
  doi =		{10.4230/OASIcs.SLATE.2021.7},
  annote =	{Keywords: Dialog systems, question answering, information retrieval, multi-agent}
}
Document
Short Paper
DOI: 10.4230/OASIcs.ICPEC.2021.8
Active Methodologies in Incoming Programming Classes (Short Paper)

Authors: João Paulo Aires, Simone Bello Kaminski Aires, Maria João Varanda Pereira, and Luís M. Alves

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

Abstract
Innovative approaches in teaching programming have been required to improve the success of incoming programming students. This work presents the initial results of a teaching strategy implemented in the Algorithms subject of a Computer Science course. Ninety-five students, enrolled in this subject during the first semester of the course, participated in the research. The reported activity is related with active methodologies of teaching and Problem-Based Learning, being developed on the first day of class in groups of up to five students. The activity was based in two actions: 1) answering a questionnaire associating computing elements to daily life routines; and, 2) even without programming concepts knowledge, develop a smartphone application. Each group received a questionnaire containing 19 questions, divided into four blocks. What can be perceived with the accomplishment of this work, was the enthusiasm, motivation and engagement of the students who, even being unknown from each other, organized themselves in the groups and researched the necessary strategies to complete the challenge. The teacher acted as an advisor in the teaching process, conducting the experiment in order to lead students to find the solution.
Cite as

João Paulo Aires, Simone Bello Kaminski Aires, Maria João Varanda Pereira, and Luís M. Alves. Active Methodologies in Incoming Programming Classes (Short Paper). In Second International Computer Programming Education Conference (ICPEC 2021). Open Access Series in Informatics (OASIcs), Volume 91, pp. 8:1-8:9, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{aires_et_al:OASIcs.ICPEC.2021.8,
  author =	{Aires, Jo\~{a}o Paulo and Aires, Simone Bello Kaminski and Pereira, Maria Jo\~{a}o Varanda and Alves, Lu{\'\i}s M.},
  title =	{{Active Methodologies in Incoming Programming Classes}},
  booktitle =	{Second International Computer Programming Education Conference (ICPEC 2021)},
  pages =	{8:1--8:9},
  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.2021.8},
  URN =		{urn:nbn:de:0030-drops-142241},
  doi =		{10.4230/OASIcs.ICPEC.2021.8},
  annote =	{Keywords: Teaching Programming, Active Methodologies, Learning Innovation}
}
Document
DOI: 10.4230/OASIcs.SLATE.2020.9
Exploring Different Methods for Solving Analogies with Portuguese Word Embeddings

Authors: Tiago Sousa, Hugo Gonçalo Oliveira, and Ana Alves

Published in: OASIcs, Volume 83, 9th Symposium on Languages, Applications and Technologies (SLATE 2020)

Abstract
A common way of assessing static word embeddings is to use them for solving analogies of the kind "what is to king as man is to woman?". For this purpose, the vector offset method (king - man + woman = queen), also known as 3CosAdd, has been effectively used for solving analogies and assessing different models of word embeddings in different languages. However, some researchers pointed out that this method is not the most effective for this purpose. Following this, we tested alternative analogy solving methods (3CosMul, 3CosAvg, LRCos) in Portuguese word embeddings and confirmed the previous statement. Specifically, those methods are used to answer the Portuguese version of the Google Analogy Test, dubbed LX-4WAnalogies, which covers syntactic and semantic analogies of different kinds. We discuss the accuracy of different methods applied to different models of embeddings and take some conclusions. Indeed, all methods outperform 3CosAdd, and the best performance is consistently achieved with LRCos, in GloVe.
Cite as

Tiago Sousa, Hugo Gonçalo Oliveira, and Ana Alves. Exploring Different Methods for Solving Analogies with Portuguese Word Embeddings. In 9th Symposium on Languages, Applications and Technologies (SLATE 2020). Open Access Series in Informatics (OASIcs), Volume 83, pp. 9:1-9:14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{sousa_et_al:OASIcs.SLATE.2020.9,
  author =	{Sousa, Tiago and Gon\c{c}alo Oliveira, Hugo and Alves, Ana},
  title =	{{Exploring Different Methods for Solving Analogies with Portuguese Word Embeddings}},
  booktitle =	{9th Symposium on Languages, Applications and Technologies (SLATE 2020)},
  pages =	{9:1--9:14},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-165-8},
  ISSN =	{2190-6807},
  year =	{2020},
  volume =	{83},
  editor =	{Sim\~{o}es, Alberto and Henriques, Pedro Rangel and Queir\'{o}s, Ricardo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2020.9},
  URN =		{urn:nbn:de:0030-drops-130229},
  doi =		{10.4230/OASIcs.SLATE.2020.9},
  annote =	{Keywords: analogies, word embeddings, semantic relations, syntactic relations, Portuguese}
}
Document
Short Paper
DOI: 10.4230/OASIcs.SLATE.2020.16
Assessing Factoid Question-Answer Generation for Portuguese (Short Paper)

Authors: João Ferreira, Ricardo Rodrigues, and Hugo Gonçalo Oliveira

Published in: OASIcs, Volume 83, 9th Symposium on Languages, Applications and Technologies (SLATE 2020)

Abstract
We present work on the automatic generation of question-answer pairs in Portuguese, useful, for instance, for populating the knowledge-base of question-answering systems. This includes: (i) a new corpus of close to 600 factoid sentences, manually created from an existing corpus of questions and answers, used as our benchmark; (ii) two approaches for the automatic generation of question-answer pairs, which can be seen as baselines; (iii) results of those approaches in the corpus.
Cite as

João Ferreira, Ricardo Rodrigues, and Hugo Gonçalo Oliveira. Assessing Factoid Question-Answer Generation for Portuguese (Short Paper). In 9th Symposium on Languages, Applications and Technologies (SLATE 2020). Open Access Series in Informatics (OASIcs), Volume 83, pp. 16:1-16:9, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{ferreira_et_al:OASIcs.SLATE.2020.16,
  author =	{Ferreira, Jo\~{a}o and Rodrigues, Ricardo and Gon\c{c}alo Oliveira, Hugo},
  title =	{{Assessing Factoid Question-Answer Generation for Portuguese}},
  booktitle =	{9th Symposium on Languages, Applications and Technologies (SLATE 2020)},
  pages =	{16:1--16:9},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-165-8},
  ISSN =	{2190-6807},
  year =	{2020},
  volume =	{83},
  editor =	{Sim\~{o}es, Alberto and Henriques, Pedro Rangel and Queir\'{o}s, Ricardo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2020.16},
  URN =		{urn:nbn:de:0030-drops-130298},
  doi =		{10.4230/OASIcs.SLATE.2020.16},
  annote =	{Keywords: Question-Answer Generation, Corpus, NLP, Portuguese}
}
Document
DOI: 10.4230/OASIcs.ICPEC.2020.1
EasyCoding - Methodology to Support Programming Learning

Authors: Marcela Viana P. Almeida, Luís M. Alves, Maria João Varanda Pereira, and Glívia Angélica R. Barbosa

Published in: OASIcs, Volume 81, First International Computer Programming Education Conference (ICPEC 2020)

Abstract
Knowing that the programming curricular units in the first year of engineering courses have a high failure rate and, assuming that this failure is due, in large part, to the lack of motivation and the lack of autonomy of the student to program in context outside the classroom, a methodology based on activity guides using attractive web platforms is proposed. The proposed methodology aims to facilitate both the planning of activities by the teachers and the autonomy and motivation by students. In order to receive a first feedback about this work, the methodology is being used by programming professors from Polytechnic Institute of Bragança, but in the near future it will be also evaluated by professors from the Federal Center of Technological Education of Minas Gerais and from the Federal Technological University of Paraná, both from Brazil. Following this work, a system is being developed that allows the automatic construction of guides based on exercises available from the web and systems that facilitate the collection of solutions and analysis of results.
Cite as

Marcela Viana P. Almeida, Luís M. Alves, Maria João Varanda Pereira, and Glívia Angélica R. Barbosa. EasyCoding - Methodology to Support Programming Learning. In First International Computer Programming Education Conference (ICPEC 2020). Open Access Series in Informatics (OASIcs), Volume 81, pp. 1:1-1:8, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{almeida_et_al:OASIcs.ICPEC.2020.1,
  author =	{Almeida, Marcela Viana P. and Alves, Lu{\'\i}s M. and Pereira, Maria Jo\~{a}o Varanda and Barbosa, Gl{\'\i}via Ang\'{e}lica R.},
  title =	{{EasyCoding - Methodology to Support Programming Learning}},
  booktitle =	{First International Computer Programming Education Conference (ICPEC 2020)},
  pages =	{1:1--1:8},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-153-5},
  ISSN =	{2190-6807},
  year =	{2020},
  volume =	{81},
  editor =	{Queir\'{o}s, Ricardo and Portela, Filipe and Pinto, M\'{a}rio and Sim\~{o}es, Alberto},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.ICPEC.2020.1},
  URN =		{urn:nbn:de:0030-drops-122887},
  doi =		{10.4230/OASIcs.ICPEC.2020.1},
  annote =	{Keywords: learning programming, teaching programming, automatic activity guides, programming motivation}
}
Document
DOI: 10.4230/OASIcs.ICPEC.2020.2
Challenges and Solutions from an Embedded Programming Bootcamp

Authors: J. Pedro Amaro, Jorge Barreiros, Fernanda Coutinho, João Durães, Frederico Santos, Ana Alves, Marco Silva, and João Cunha

Published in: OASIcs, Volume 81, First International Computer Programming Education Conference (ICPEC 2020)

Abstract
Due to the proliferation of IT companies developing web and mobile applications, computer programmers are in such high demand that universities can’t satisfy it with newly graduated students. In response, some organisations started to create coding bootcamps, providing intensive full-time courses focused on unemployed people or individuals seeking for a career change. There is, however, a different set of skills that is becoming increasingly required, but is not addressed by those courses: embedded programming. In fact, the Internet of Things is connecting every device to the internet, thus making knowledge on hardware and C/C++ programming very relevant skills. A group of computer science and electrical engineering university teachers, in collaboration with several industry stakeholders, have promoted an embedded systems programming course in C and C++. This course is based on an intensive project-based approach comprising 6 months of daylong classes followed by 9 months of paid internships. After two editions, thirty embedded programmers, with no relevant previous programming experience, have been placed with the partners’ working force. In this paper, the course organisation and pedagogical methodologies are described. Problems, challenges and adopted solutions are presented and analysed. We conclude that in spite of the intense rhythm and demanding nature of the subject matter, it is possible to find the structure and solutions that keep students engaged and motivated throughout the course, allowing them to gain the required competences and successfully transition into a new career path.
Cite as

J. Pedro Amaro, Jorge Barreiros, Fernanda Coutinho, João Durães, Frederico Santos, Ana Alves, Marco Silva, and João Cunha. Challenges and Solutions from an Embedded Programming Bootcamp. In First International Computer Programming Education Conference (ICPEC 2020). Open Access Series in Informatics (OASIcs), Volume 81, pp. 2:1-2:11, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{amaro_et_al:OASIcs.ICPEC.2020.2,
  author =	{Amaro, J. Pedro and Barreiros, Jorge and Coutinho, Fernanda and Dur\~{a}es, Jo\~{a}o and Santos, Frederico and Alves, Ana and Silva, Marco and Cunha, Jo\~{a}o},
  title =	{{Challenges and Solutions from an Embedded Programming Bootcamp}},
  booktitle =	{First International Computer Programming Education Conference (ICPEC 2020)},
  pages =	{2:1--2:11},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-153-5},
  ISSN =	{2190-6807},
  year =	{2020},
  volume =	{81},
  editor =	{Queir\'{o}s, Ricardo and Portela, Filipe and Pinto, M\'{a}rio 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.2020.2},
  URN =		{urn:nbn:de:0030-drops-122896},
  doi =		{10.4230/OASIcs.ICPEC.2020.2},
  annote =	{Keywords: Coding Bootcamp, Embedded Programming, Career Change}
}
Document
DOI: 10.4230/OASIcs.ICPEC.2020.12
An Arduino Simulator in Classroom - a Case Study

Authors: Paulo F. Gonçalves, João Sá, Anabela Coelho, and João Durães

Published in: OASIcs, Volume 81, First International Computer Programming Education Conference (ICPEC 2020)

Abstract
The Arduino Platform is increasingly being used as a central component in introductory programming courses of the curricula in middle, high school and even higher education. Given this scenario it is pertinent to understand how the cost-effectiveness, reliability and accessibility of this central component can be improved. We propose the use of an Arduino simulator to improve usability, cost, and class efficiency, allowing for improved and even new forms of use and course benefits. This paper presents and describes an Arduino simulator that we developed for education purposes, and a case study of its use in embedded programming courses from two high-schools. We compared its use against the usual use of real hardware platform analyzing usability, student workload and time efficiency. Our results, that we present and discuss, suggest that there are no apparent drawbacks in using the simulator, and some metrics such as basic exercise-solving efficiency and global effort showed an improvement.
Cite as

Paulo F. Gonçalves, João Sá, Anabela Coelho, and João Durães. An Arduino Simulator in Classroom - a Case Study. In First International Computer Programming Education Conference (ICPEC 2020). Open Access Series in Informatics (OASIcs), Volume 81, pp. 12:1-12:12, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{goncalves_et_al:OASIcs.ICPEC.2020.12,
  author =	{Gon\c{c}alves, Paulo F. and S\'{a}, Jo\~{a}o and Coelho, Anabela and Dur\~{a}es, Jo\~{a}o},
  title =	{{An Arduino Simulator in Classroom - a Case Study}},
  booktitle =	{First International Computer Programming Education Conference (ICPEC 2020)},
  pages =	{12:1--12:12},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-153-5},
  ISSN =	{2190-6807},
  year =	{2020},
  volume =	{81},
  editor =	{Queir\'{o}s, Ricardo and Portela, Filipe and Pinto, M\'{a}rio 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.2020.12},
  URN =		{urn:nbn:de:0030-drops-122996},
  doi =		{10.4230/OASIcs.ICPEC.2020.12},
  annote =	{Keywords: Arduino, Education, Simulator}
}
Document
Complete Volume
DOI: 10.4230/OASIcs.SLATE.2019
OASIcs, Volume 74, SLATE'19, Complete Volume

Authors: Ricardo Rodrigues, Jan Janoušek, Luís Ferreira, Luísa Coheur, Fernando Batista, and Hugo Gonçalo Oliveira

Published in: OASIcs, Volume 74, 8th Symposium on Languages, Applications and Technologies (SLATE 2019)

Abstract
OASIcs, Volume 74, SLATE'19, Complete Volume
Cite as

8th Symposium on Languages, Applications and Technologies (SLATE 2019). Open Access Series in Informatics (OASIcs), Volume 74, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)

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@Proceedings{rodrigues_et_al:OASIcs.SLATE.2019,
  title =	{{OASIcs, Volume 74, SLATE'19, Complete Volume}},
  booktitle =	{8th Symposium on Languages, Applications and Technologies (SLATE 2019)},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-114-6},
  ISSN =	{2190-6807},
  year =	{2019},
  volume =	{74},
  editor =	{Rodrigues, Ricardo and Janou\v{s}ek, Jan and Ferreira, Lu{\'\i}s and Coheur, Lu{\'\i}sa and Batista, Fernando and Gon\c{c}alo Oliveira, Hugo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2019},
  URN =		{urn:nbn:de:0030-drops-109008},
  doi =		{10.4230/OASIcs.SLATE.2019},
  annote =	{Keywords: Computing methodologies, Natural language processing, Software and its engineering, Compilers; Information systems, World Wide Web}
}
Document
Front Matter
DOI: 10.4230/OASIcs.SLATE.2019.0
Front Matter, Table of Contents, Preface, Conference Organization

Authors: Ricardo Rodrigues, Jan Janoušek, Luís Ferreira, Luísa Coheur, Fernando Batista, and Hugo Gonçalo Oliveira

Published in: OASIcs, Volume 74, 8th Symposium on Languages, Applications and Technologies (SLATE 2019)

Abstract
Front Matter, Table of Contents, Preface, Conference Organization
Cite as

8th Symposium on Languages, Applications and Technologies (SLATE 2019). Open Access Series in Informatics (OASIcs), Volume 74, pp. 0:i-0:xviii, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)

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@InProceedings{rodrigues_et_al:OASIcs.SLATE.2019.0,
  author =	{Rodrigues, Ricardo and Janou\v{s}ek, Jan and Ferreira, Lu{\'\i}s and Coheur, Lu{\'\i}sa and Batista, Fernando and Gon\c{c}alo Oliveira, Hugo},
  title =	{{Front Matter, Table of Contents, Preface, Conference Organization}},
  booktitle =	{8th Symposium on Languages, Applications and Technologies (SLATE 2019)},
  pages =	{0:i--0:xviii},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-114-6},
  ISSN =	{2190-6807},
  year =	{2019},
  volume =	{74},
  editor =	{Rodrigues, Ricardo and Janou\v{s}ek, Jan and Ferreira, Lu{\'\i}s and Coheur, Lu{\'\i}sa and Batista, Fernando and Gon\c{c}alo Oliveira, Hugo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2019.0},
  URN =		{urn:nbn:de:0030-drops-108679},
  doi =		{10.4230/OASIcs.SLATE.2019.0},
  annote =	{Keywords: Front Matter, Table of Contents, Preface, Conference Organization}
}
Document
DOI: 10.4230/OASIcs.SLATE.2019.1
Graph-of-Entity: A Model for Combined Data Representation and Retrieval

Authors: José Devezas, Carla Lopes, and Sérgio Nunes

Published in: OASIcs, Volume 74, 8th Symposium on Languages, Applications and Technologies (SLATE 2019)

Abstract
Managing large volumes of digital documents along with the information they contain, or are associated with, can be challenging. As systems become more intelligent, it increasingly makes sense to power retrieval through all available data, where every lead makes it easier to reach relevant documents or entities. Modern search is heavily powered by structured knowledge, but users still query using keywords or, at the very best, telegraphic natural language. As search becomes increasingly dependent on the integration of text and knowledge, novel approaches for a unified representation of combined data present the opportunity to unlock new ranking strategies. We tackle entity-oriented search using graph-based approaches for representation and retrieval. In particular, we propose the graph-of-entity, a novel approach for indexing combined data, where terms, entities and their relations are jointly represented. We compare the graph-of-entity with the graph-of-word, a text-only model, verifying that, overall, it does not yet achieve a better performance, despite obtaining a higher precision. Our assessment was based on a small subset of the INEX 2009 Wikipedia Collection, created from a sample of 10 topics and respectively judged documents. The offline evaluation we do here is complementary to its counterpart from TREC 2017 OpenSearch track, where, during our participation, we had assessed graph-of-entity in an online setting, through team-draft interleaving.
Cite as

José Devezas, Carla Lopes, and Sérgio Nunes. Graph-of-Entity: A Model for Combined Data Representation and Retrieval. In 8th Symposium on Languages, Applications and Technologies (SLATE 2019). Open Access Series in Informatics (OASIcs), Volume 74, pp. 1:1-1:14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)

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@InProceedings{devezas_et_al:OASIcs.SLATE.2019.1,
  author =	{Devezas, Jos\'{e} and Lopes, Carla and Nunes, S\'{e}rgio},
  title =	{{Graph-of-Entity: A Model for Combined Data Representation and Retrieval}},
  booktitle =	{8th Symposium on Languages, Applications and Technologies (SLATE 2019)},
  pages =	{1:1--1:14},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-114-6},
  ISSN =	{2190-6807},
  year =	{2019},
  volume =	{74},
  editor =	{Rodrigues, Ricardo and Janou\v{s}ek, Jan and Ferreira, Lu{\'\i}s and Coheur, Lu{\'\i}sa and Batista, Fernando and Gon\c{c}alo Oliveira, Hugo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2019.1},
  URN =		{urn:nbn:de:0030-drops-108686},
  doi =		{10.4230/OASIcs.SLATE.2019.1},
  annote =	{Keywords: Entity-oriented search, graph-based models, collection-based graph}
}
Document
DOI: 10.4230/OASIcs.SLATE.2019.2
Using Lucene for Developing a Question-Answering Agent in Portuguese

Authors: Hugo Gonçalo Oliveira, Ricardo Filipe, Ricardo Rodrigues, and Ana Alves

Published in: OASIcs, Volume 74, 8th Symposium on Languages, Applications and Technologies (SLATE 2019)

Abstract
Given the limitations of available platforms for creating conversational agents, and that a question-answering agent suffices in many scenarios, we take advantage of the Information Retrieval library Lucene for developing such an agent for Portuguese. The solution described answers natural language questions based on an indexed list of FAQs. Its adaptation to different domains is a matter of changing the underlying list. Different configurations of this solution, mostly on the language analysis level, resulted in different search strategies, which were tested for answering questions about the economic activity in Portugal. In addition to comparing the different search strategies, we concluded that, towards better answers, it is fruitful to combine the results of different strategies with a voting method.
Cite as

Hugo Gonçalo Oliveira, Ricardo Filipe, Ricardo Rodrigues, and Ana Alves. Using Lucene for Developing a Question-Answering Agent in Portuguese. In 8th Symposium on Languages, Applications and Technologies (SLATE 2019). Open Access Series in Informatics (OASIcs), Volume 74, pp. 2:1-2:14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)

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@InProceedings{goncalooliveira_et_al:OASIcs.SLATE.2019.2,
  author =	{Gon\c{c}alo Oliveira, Hugo and Filipe, Ricardo and Rodrigues, Ricardo and Alves, Ana},
  title =	{{Using Lucene for Developing a Question-Answering Agent in Portuguese}},
  booktitle =	{8th Symposium on Languages, Applications and Technologies (SLATE 2019)},
  pages =	{2:1--2:14},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-114-6},
  ISSN =	{2190-6807},
  year =	{2019},
  volume =	{74},
  editor =	{Rodrigues, Ricardo and Janou\v{s}ek, Jan and Ferreira, Lu{\'\i}s and Coheur, Lu{\'\i}sa and Batista, Fernando and Gon\c{c}alo Oliveira, Hugo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2019.2},
  URN =		{urn:nbn:de:0030-drops-108692},
  doi =		{10.4230/OASIcs.SLATE.2019.2},
  annote =	{Keywords: information retrieval, question answering, natural language interface, natural language processing, natural language understanding}
}
Document
DOI: 10.4230/OASIcs.SLATE.2019.3
Tracing Naming Semantics in Unit Tests of Popular Github Android Projects

Authors: Matej Madeja and Jaroslav Porubän

Published in: OASIcs, Volume 74, 8th Symposium on Languages, Applications and Technologies (SLATE 2019)

Abstract
The tests are so closely linked to the source code that we consider them up-to-date documentation. Developers are aware of recommended naming conventions and other best practices that should be used to write tests. In this paper we focus on how the developers test in practice and what conventions they use. For the analysis 5 very popular Android projects from Github were selected. The results show that 49 % of tests contain full and 76 % of tests contain a partial unit under test (UUT) method name in their name. Further, there was observed that UUT was only rarely tested by multiple test classes and thus in cases when the tester wanted to distinguish the way he or she worked with the tested object. The analysis of this paper shows that the word "test" in the test title is not a reliable metric for identifying the test. Apart from assertions, the developers use statements like verify, try-catch and throw exception to verify the correctness of UUT functionality. At the same time it was found out that the test titles contained keywords which could lead to the identification of UUT, use case of test or data used for test. It was also found out that the words in the test title were very often found in its body and in a smaller amount in UUT body which indicated the use of similar vocabulary in tests and UUT.
Cite as

Matej Madeja and Jaroslav Porubän. Tracing Naming Semantics in Unit Tests of Popular Github Android Projects. In 8th Symposium on Languages, Applications and Technologies (SLATE 2019). Open Access Series in Informatics (OASIcs), Volume 74, pp. 3:1-3:13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)

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@InProceedings{madeja_et_al:OASIcs.SLATE.2019.3,
  author =	{Madeja, Matej and Porub\"{a}n, Jaroslav},
  title =	{{Tracing Naming Semantics in Unit Tests of Popular Github Android Projects}},
  booktitle =	{8th Symposium on Languages, Applications and Technologies (SLATE 2019)},
  pages =	{3:1--3:13},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-114-6},
  ISSN =	{2190-6807},
  year =	{2019},
  volume =	{74},
  editor =	{Rodrigues, Ricardo and Janou\v{s}ek, Jan and Ferreira, Lu{\'\i}s and Coheur, Lu{\'\i}sa and Batista, Fernando and Gon\c{c}alo Oliveira, Hugo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2019.3},
  URN =		{urn:nbn:de:0030-drops-108705},
  doi =		{10.4230/OASIcs.SLATE.2019.3},
  annote =	{Keywords: unit tests, android, real testing practices, unit tests, program comprehension}
}
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