4 Search Results for "Oliveira, Daniela"


Document
Cybersafety Threats - from Deception to Aggression (Dagstuhl Seminar 19302)

Authors: Zinaida Benenson, Marianne Junger, Daniela Oliveira, and Gianluca Stringhini

Published in: Dagstuhl Reports, Volume 9, Issue 7 (2020)


Abstract
A number of malicious activities, such as cyberbullying, disinformation, and phishing, are becoming increasingly serious, affecting the wellbeing of Internet users both financially and psychologically. These malicious activities are inherently socio-technical, and therefore effective countermeasures against them must draw not only from engineering and computer science, but also from other disciplines. To discuss these topics and find appropriate countermeasures, we assembled a group of researchers from a number of disciplines such as computer science, criminology, crime science, psychology, and education. Through five days of brainstorming and discussion, the participants developed a roadmap for future research on these topics, along four directions: modelling the attackers, measuring human behavior, detection and prevention approaches for online threats to adolescents, and understanding unintended consequences of mitigation techniques.

Cite as

Zinaida Benenson, Marianne Junger, Daniela Oliveira, and Gianluca Stringhini. Cybersafety Threats - from Deception to Aggression (Dagstuhl Seminar 19302). In Dagstuhl Reports, Volume 9, Issue 7, pp. 117-154, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)


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@Article{benenson_et_al:DagRep.9.7.117,
  author =	{Benenson, Zinaida and Junger, Marianne and Oliveira, Daniela and Stringhini, Gianluca},
  title =	{{Cybersafety Threats - from Deception to Aggression (Dagstuhl Seminar 19302)}},
  pages =	{117--154},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{7},
  editor =	{Benenson, Zinaida and Junger, Marianne and Oliveira, Daniela and Stringhini, Gianluca},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.9.7.117},
  URN =		{urn:nbn:de:0030-drops-116387},
  doi =		{10.4230/DagRep.9.7.117},
  annote =	{Keywords: Cybersafety, Legal and Ethical Issues on the Web, Online Social Networks, Security and Privacy}
}
Document
Choosing Grammars to Support Language Processing Courses

Authors: Maria João Varanda Pereira, Nuno Oliveira, Daniela da Cruz, and Pedro Rangel Henriques

Published in: OASIcs, Volume 29, 2nd Symposium on Languages, Applications and Technologies (2013)


Abstract
Teaching Language Processing courses is a hard task. The level of abstraction inherent to some of the basic concepts in the area and the technical skills required to implement efficient processors are responsible for the number of students that do not learn the subject and do not succeed to finish the course. In this paper we intend to list the main concepts involved in Language Processing subject, and identify the skills required to learn them. In this context, it is feasible to identify the difficulties that lead students to fail. This enables us to suggest some pragmatic ways to overcome those troubles. We will focus on the grammars suitable to motivate students and help them to learn easily the basic concepts. After identifying the characteristics of such grammars, some examples are presented to make concrete and clear our proposal. The contribution of this paper is the systematic way we approach the process of teaching Language Processing courses towards a successful learning activity.

Cite as

Maria João Varanda Pereira, Nuno Oliveira, Daniela da Cruz, and Pedro Rangel Henriques. Choosing Grammars to Support Language Processing Courses. In 2nd Symposium on Languages, Applications and Technologies. Open Access Series in Informatics (OASIcs), Volume 29, pp. 155-168, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)


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@InProceedings{pereira_et_al:OASIcs.SLATE.2013.155,
  author =	{Pereira, Maria Jo\~{a}o Varanda and Oliveira, Nuno and Cruz, Daniela da and Henriques, Pedro Rangel},
  title =	{{Choosing Grammars to Support Language Processing Courses}},
  booktitle =	{2nd Symposium on Languages, Applications and Technologies},
  pages =	{155--168},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-52-1},
  ISSN =	{2190-6807},
  year =	{2013},
  volume =	{29},
  editor =	{Leal, Jos\'{e} Paulo and Rocha, 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.SLATE.2013.155},
  URN =		{urn:nbn:de:0030-drops-40369},
  doi =		{10.4230/OASIcs.SLATE.2013.155},
  annote =	{Keywords: Teaching Language Processing, Domain Specific Languages, Grammars}
}
Document
Problem Domain Oriented Approach for Program Comprehension

Authors: Maria João Varanda Pereira, Mario Marcelo Beron, Daniela da Cruz, Nuno Oliveira, and Pedro Rangel Henriques

Published in: OASIcs, Volume 21, 1st Symposium on Languages, Applications and Technologies (2012)


Abstract
This paper is concerned with an ontology driven approach for Program Comprehension that starts picking up concepts from the problem domain ontology, analyzing source code and, after locating problem concepts in the code, goes up and links them to the programming language ontology. Different location techniques are used to search for concepts embedded in comments, in the code (identifier names and execution traces), and in string-literals associated with I/O statements. The expected result is a mapping between problem domain concepts and code slices. This mapping can be visualized using graph-based approaches like, for instance, navigation facilities through a System Dependency Graph. The paper also describes a PCTool suite, Quixote, that implements the approach proposed.

Cite as

Maria João Varanda Pereira, Mario Marcelo Beron, Daniela da Cruz, Nuno Oliveira, and Pedro Rangel Henriques. Problem Domain Oriented Approach for Program Comprehension. In 1st Symposium on Languages, Applications and Technologies. Open Access Series in Informatics (OASIcs), Volume 21, pp. 91-105, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2012)


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@InProceedings{varandapereira_et_al:OASIcs.SLATE.2012.91,
  author =	{Varanda Pereira, Maria Jo\~{a}o and Beron, Mario Marcelo and da Cruz, Daniela and Oliveira, Nuno and Henriques, Pedro Rangel},
  title =	{{Problem Domain Oriented Approach for Program Comprehension}},
  booktitle =	{1st Symposium on Languages, Applications and Technologies},
  pages =	{91--105},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-40-8},
  ISSN =	{2190-6807},
  year =	{2012},
  volume =	{21},
  editor =	{Sim\~{o}es, Alberto and Queir\'{o}s, Ricardo and da Cruz, Daniela},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2012.91},
  URN =		{urn:nbn:de:0030-drops-35161},
  doi =		{10.4230/OASIcs.SLATE.2012.91},
  annote =	{Keywords: Program Comprehension, Ontology-based SW development, Problem and Program domain mapping, Code Analysis. Software Visualization}
}
Document
Learning Spaces for Knowledge Generation

Authors: Nuno Oliveira, Maria João Varanda Pereira, Alda Lopes Gancarski, and Pedro Rangel Henriques

Published in: OASIcs, Volume 21, 1st Symposium on Languages, Applications and Technologies (2012)


Abstract
As the Internet is becoming the main point for information access, Libraries, Museums and similar Institutions are preserving their collections as digital object repositories. In that way, the important information associated with digital objects may be delivered as Internet content over portals equipped with modern interfaces and navigation features. This enables the virtualization of real information exhibition spaces rising new learning paradigms. Geny is a project aiming at defining domain-specific languages and developing tools to generate web-based learning spaces from existent digital object repositories and associated semantic. The motto for Geny is "Generating learning spaces to generate knowledge". Our objective within this project is to use (i) ontologies - one to give semantics to the digital object repository and another to describe the information to exhibit - and (ii) special languages to define the exhibition space, to enable the automatic construction of the learning space supported by a web browser. This paper presents the proposal of the Geny project along with a review of the state of the art concerning learning spaces and their virtualization. Geny is, currently, under appreciation by Fundação para a Ciêencia e a Tecnologia (FCT), the main Portuguese scientific funding institution.

Cite as

Nuno Oliveira, Maria João Varanda Pereira, Alda Lopes Gancarski, and Pedro Rangel Henriques. Learning Spaces for Knowledge Generation. In 1st Symposium on Languages, Applications and Technologies. Open Access Series in Informatics (OASIcs), Volume 21, pp. 175-184, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2012)


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@InProceedings{oliveira_et_al:OASIcs.SLATE.2012.175,
  author =	{Oliveira, Nuno and Varanda Pereira, Maria Jo\~{a}o and Gancarski, Alda Lopes and Henriques, Pedro Rangel},
  title =	{{Learning Spaces for Knowledge Generation}},
  booktitle =	{1st Symposium on Languages, Applications and Technologies},
  pages =	{175--184},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-40-8},
  ISSN =	{2190-6807},
  year =	{2012},
  volume =	{21},
  editor =	{Sim\~{o}es, Alberto and Queir\'{o}s, Ricardo and da Cruz, Daniela},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.SLATE.2012.175},
  URN =		{urn:nbn:de:0030-drops-35228},
  doi =		{10.4230/OASIcs.SLATE.2012.175},
  annote =	{Keywords: Learning Spaces, Knowledge Acquisition, Digital Object Repositories, Ontology-based semantic Web-pages Generation}
}
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