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Complete Issue
Dagstuhl Reports, Volume 9, Issue 1, January 2019, Complete Issue

Abstract
Dagstuhl Reports, Volume 9, Issue 1, January 2019, Complete Issue

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Dagstuhl Reports, Volume 9, Issue 1, January 2019, Complete Issue. In Dagstuhl Reports, Volume 9, Issue 1, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2019)


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@Article{DagRep.9.1,
  title =	{{Dagstuhl Reports, Volume 9, Issue 1, January 2019, Complete Issue}},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{1},
  editor =	{},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.9.1},
  URN =		{urn:nbn:de:0030-drops-112057},
  doi =		{10.4230/DagRep.9.1},
  annote =	{Keywords: Dagstuhl Reports, Volume 9, Issue 1, January 2019, Complete Issue}
}
Document
Front Matter
Dagstuhl Reports, Table of Contents, Volume 9, Issue 1, 2019

Abstract
Dagstuhl Reports, Table of Contents, Volume 9, Issue 1, 2019

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Dagstuhl Reports, Table of Contents, Volume 9, Issue 1, 2019. In Dagstuhl Reports, Volume 9, Issue 1, pp. i-ii, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2019)


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@Article{DagRep.9.1.i,
  title =	{{Dagstuhl Reports, Table of Contents, Volume 9, Issue 1, 2019}},
  pages =	{i--ii},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{1},
  editor =	{},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.9.1.i},
  URN =		{urn:nbn:de:0030-drops-112068},
  doi =		{10.4230/DagRep.9.1.i},
  annote =	{Keywords: Table of Contents, Frontmatter}
}
Document
Joint Processing of Language and Visual Data for Better Automated Understanding (Dagstuhl Seminar 19021)

Authors: Marie-Francine Moens, Lucia Specia, and Tinne Tuytelaars


Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 19021 "Joint Processing of Language and Visual Data for Better Automated Understanding". It includes a discussion of the motivation and overall organization, the abstracts of the talks, and a report of each working group.

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Marie-Francine Moens, Lucia Specia, and Tinne Tuytelaars. Joint Processing of Language and Visual Data for Better Automated Understanding (Dagstuhl Seminar 19021). In Dagstuhl Reports, Volume 9, Issue 1, pp. 1-27, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2019)


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@Article{moens_et_al:DagRep.9.1.1,
  author =	{Moens, Marie-Francine and Specia, Lucia and Tuytelaars, Tinne},
  title =	{{Joint Processing of Language and Visual Data for Better Automated Understanding (Dagstuhl Seminar 19021)}},
  pages =	{1--27},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{1},
  editor =	{Moens, Marie-Francine and Specia, Lucia and Tuytelaars, Tinne},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.9.1.1},
  URN =		{urn:nbn:de:0030-drops-105673},
  doi =		{10.4230/DagRep.9.1.1},
  annote =	{Keywords: multimodal learning, representation learning, computer vision, natural language processing, machine learning}
}
Document
Logics for Dependence and Independence (Dagstuhl Seminar 19031)

Authors: Erich Grädel, Phokion G. Kolaitis, Juha Kontinen, and Heribert Vollmer


Abstract
This report documents the programme and outcomes of Dagstuhl Seminar 19031 "Logics for Dependence and Independence". This seminar served as a follow-up seminar to the highly successful seminars "Dependence Logic: Theory and Applications" (13071) and "Logics for Dependence and Independence" (15261). A key objective of the seminar was to bring together researchers working in dependence logic and in the application areas so that they can communicate state-of-the-art advances and embark on a systematic interaction. The goal was especially to reach those researchers who have recently started working in this thriving area as well as researchers working on several aspects of database theory, separation logic, and logics of uncertainy.

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Erich Grädel, Phokion G. Kolaitis, Juha Kontinen, and Heribert Vollmer. Logics for Dependence and Independence (Dagstuhl Seminar 19031). In Dagstuhl Reports, Volume 9, Issue 1, pp. 28-46, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2019)


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@Article{gradel_et_al:DagRep.9.1.28,
  author =	{Gr\"{a}del, Erich and Kolaitis, Phokion G. and Kontinen, Juha and Vollmer, Heribert},
  title =	{{Logics for Dependence and Independence (Dagstuhl Seminar 19031)}},
  pages =	{28--46},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{1},
  editor =	{Gr\"{a}del, Erich and Kolaitis, Phokion G. and Kontinen, Juha and Vollmer, Heribert},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.9.1.28},
  URN =		{urn:nbn:de:0030-drops-105682},
  doi =		{10.4230/DagRep.9.1.28},
  annote =	{Keywords: dependence logic, mathematical logic, computational complexity, finite model theory, game theory}
}
Document
Conditional Logics and Conditional Reasoning: New Joint Perspectives (Dagstuhl Seminar 19032)

Authors: Guillaume Aucher, Paul Egré, Gabriele Kern-Isberner, and Francesca Poggliesi


Abstract
In the last decades, with the emergence of artificial intelligence, a large number of logics called conditional logics have been introduced to model our conditional reasoning captured by so--called conditionals, which are statements of the form `if A then B'. More recently, conditional reasoning has also come under scrutiny by psychologists, yet with more pragmatic and empirical considerations. The main objective of this seminar was to provide an opportunity for these different communities working on that topic to meet and reinforce their ties. We focused on three specific issues. First, we investigated how people's intuitions about `counterpossibles' can be understood empirically and classified with respect to the theoretical accounts of conditional logics. Second, we reconsidered the various semantics of system P and we wondered to which extent pragmatics plays a role in the relevance relation between the antecedant and the consequent of a conditional. Third, we strove to apply the recent advances in proof theory and correspondence theory to conditional logics. These working groups were preceded by short talks and tutorials.

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Guillaume Aucher, Paul Egré, Gabriele Kern-Isberner, and Francesca Poggliesi. Conditional Logics and Conditional Reasoning: New Joint Perspectives (Dagstuhl Seminar 19032). In Dagstuhl Reports, Volume 9, Issue 1, pp. 47-66, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2019)


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@Article{aucher_et_al:DagRep.9.1.47,
  author =	{Aucher, Guillaume and Egr\'{e}, Paul and Kern-Isberner, Gabriele and Poggliesi, Francesca},
  title =	{{Conditional Logics and Conditional Reasoning: New Joint Perspectives (Dagstuhl Seminar 19032)}},
  pages =	{47--66},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{1},
  editor =	{Aucher, Guillaume and Egr\'{e}, Paul and Kern-Isberner, Gabriele and Poggliesi, Francesca},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.9.1.47},
  URN =		{urn:nbn:de:0030-drops-105693},
  doi =		{10.4230/DagRep.9.1.47},
  annote =	{Keywords: Commonsense reasoning, conditionals, correspondence theory, proof theory, psychology of reasoning}
}
Document
New Horizons in Parameterized Complexity (Dagstuhl Seminar 19041)

Authors: Fedor V. Fomin, Dániel Marx, Saket Saurabh, and Meirav Zehavi


Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 19041 "New Horizons in Parameterized Complexity". Parameterized Complexity is celebrating its 30th birthday in 2019. In these three decades, there has been tremendous progress in developing the area. The central vision of Parameterized Complexity through all these years has been to provide the algorithmic and complexity-theoretic toolkit for studying multivariate algorithmics in different disciplines and subfields of Computer Science. These tools are universal as they did not only help in the development of the core of Parameterized Complexity, but also led to its success in other subfields of Computer Science such as Approximation Algorithms, Computational Social Choice, Computational Geometry, problems solvable in P (polynomial time), to name a few. In the last few years, we have witnessed several exciting developments of new parameterized techniques and tools in the following subfields of Computer Science and Optimization: Mathematical Programming, Computational Linear Algebra, Computational Counting, Derandomization, and Approximation Algorithms. The main objective of the seminar was to initiate the discussion on which of the recent domain-specific algorithms and complexity advances can become useful in other domains.

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Fedor V. Fomin, Dániel Marx, Saket Saurabh, and Meirav Zehavi. New Horizons in Parameterized Complexity (Dagstuhl Seminar 19041). In Dagstuhl Reports, Volume 9, Issue 1, pp. 67-87, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2019)


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@Article{fomin_et_al:DagRep.9.1.67,
  author =	{Fomin, Fedor V. and Marx, D\'{a}niel and Saurabh, Saket and Zehavi, Meirav},
  title =	{{New Horizons in Parameterized Complexity (Dagstuhl Seminar 19041)}},
  pages =	{67--87},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{1},
  editor =	{Fomin, Fedor V. and Marx, D\'{a}niel and Saurabh, Saket and Zehavi, Meirav},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.9.1.67},
  URN =		{urn:nbn:de:0030-drops-105706},
  doi =		{10.4230/DagRep.9.1.67},
  annote =	{Keywords: Intractability, Parameterized Complexity}
}
Document
Practical Yet Composably Secure Cryptographic Protocols (Dagstuhl Seminar 19042)

Authors: Jan Camenisch, Ralf Küsters, Anna Lysyanskaya, and Alessandra Scafuro


Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 19042 "Practical Yet Composably Secure Cryptographic Protocols". The workshop's main aim was to enhance the community's understanding of (1) what a good model was for how various protocols and systems co-exist in a larger system; (2) how to model important tasks and security protocols in such a model; (3) how to prove security of protocols in such a model.

Cite as

Jan Camenisch, Ralf Küsters, Anna Lysyanskaya, and Alessandra Scafuro. Practical Yet Composably Secure Cryptographic Protocols (Dagstuhl Seminar 19042). In Dagstuhl Reports, Volume 9, Issue 1, pp. 88-103, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2019)


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@Article{camenisch_et_al:DagRep.9.1.88,
  author =	{Camenisch, Jan and K\"{u}sters, Ralf and Lysyanskaya, Anna and Scafuro, Alessandra},
  title =	{{Practical Yet Composably Secure Cryptographic Protocols (Dagstuhl Seminar 19042)}},
  pages =	{88--103},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{1},
  editor =	{Camenisch, Jan and K\"{u}sters, Ralf and Lysyanskaya, Anna and Scafuro, Alessandra},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.9.1.88},
  URN =		{urn:nbn:de:0030-drops-105710},
  doi =		{10.4230/DagRep.9.1.88},
  annote =	{Keywords: applied cryptography, cryptographic protocols, practical protocols, provably secure protocols, security models, universally composability}
}
Document
Data Structures for the Cloud and External Memory Data (Dagstuhl Seminar 19051)

Authors: Gerth Stølting Brodal, Ulrich Carsten Meyer, Bernhard E. Nebel, and Robert Sedgewick


Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 16101 "Data Structures for the Cloud and External Memory Data". In today's computing environment vast amounts of data are processed, exchanged and analyzed. The manner in which information is stored profoundly influences the efficiency of these operations over the data. In spite of the maturity of the field many data structuring problems are still open, while new ones arise due to technological advances. The seminar covered both recent advances in the "classical" data structuring topics as well as new models of computation adapted to modern architectures, scientific studies that reveal the need for such models, applications where large data sets play a central role, modern computing platforms for very large data, and new data structures for large data in modern architectures. The extended abstracts included in this report contain both recent state of the art advances and lay the foundation for new directions within data structures research.

Cite as

Gerth Stølting Brodal, Ulrich Carsten Meyer, Bernhard E. Nebel, and Robert Sedgewick. Data Structures for the Cloud and External Memory Data (Dagstuhl Seminar 19051). In Dagstuhl Reports, Volume 9, Issue 1, pp. 104-124, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2019)


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@Article{brodal_et_al:DagRep.9.1.104,
  author =	{Brodal, Gerth St{\o}lting and Meyer, Ulrich Carsten and Nebel, Bernhard E. and Sedgewick, Robert},
  title =	{{Data Structures for the Cloud and External Memory Data (Dagstuhl Seminar 19051)}},
  pages =	{104--124},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{1},
  editor =	{Brodal, Gerth St{\o}lting and Meyer, Ulrich Carsten and Nebel, Bernhard E. and Sedgewick, Robert},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.9.1.104},
  URN =		{urn:nbn:de:0030-drops-105722},
  doi =		{10.4230/DagRep.9.1.104},
  annote =	{Keywords: algorithms, big data, cloud computing, data structures, external memory methods, large data sets, web-scale}
}
Document
Computational Methods for Melody and Voice Processing in Music Recordings (Dagstuhl Seminar 19052)

Authors: Meinard Müller, Emilia Gómez, and Yi-Hsun Yang


Abstract
In our daily lives, we are constantly surrounded by music, and we are deeply influenced by music. Making music together can create strong ties between people, while fostering communication and creativity. This is demonstrated, for example, by the large community of singers active in choirs or by the fact that music constitutes an important part of our cultural heritage. The availability of music in digital formats and its distribution over the world wide web has changed the way we consume, create, enjoy, explore, and interact with music. To cope with the increasing amount of digital music, one requires computational methods and tools that allow users to find, organize, analyze, and interact with music--topics that are central to the research field known as \emph{Music Information Retrieval} (MIR). The Dagstuhl Seminar 19052 was devoted to a branch of MIR that is of particular importance: processing melodic voices (with a focus on singing voices) using computational methods. It is often the melody, a specific succession of musical tones, which constitutes the leading element in a piece of music. In the seminar we discussed how to detect, extract, and analyze melodic voices as they occur in recorded performances of a piece of music. Gathering researchers from different fields, we critically reviewed the state of the art of computational approaches to various MIR tasks related to melody processing including pitch estimation, source separation, singing voice analysis and synthesis, and performance analysis (timbre, intonation, expression). This triggered interdisciplinary discussions that leveraged insights from fields as disparate as audio processing, machine learning, music perception, music theory, and information retrieval. In particular, we discussed current challenges in academic and industrial research in view of the recent advances in deep learning and data-driven models. Furthermore, we explored novel applications of these technologies in music and multimedia retrieval, content creation, musicology, education, and human-computer interaction. In this report, we give an overview of the various contributions and results of the seminar. We start with an executive summary, which describes the main topics, goals, and group activities. Then, we present a more detailed overview of the participants' contributions (listed alphabetically by their last names) as well as of the ideas, results, and activities of the group meetings, the demo, and the music sessions.

Cite as

Meinard Müller, Emilia Gómez, and Yi-Hsun Yang. Computational Methods for Melody and Voice Processing in Music Recordings (Dagstuhl Seminar 19052). In Dagstuhl Reports, Volume 9, Issue 1, pp. 125-177, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2019)


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@Article{muller_et_al:DagRep.9.1.125,
  author =	{M\"{u}ller, Meinard and G\'{o}mez, Emilia and Yang, Yi-Hsun},
  title =	{{Computational Methods for Melody and Voice Processing in Music Recordings (Dagstuhl Seminar 19052)}},
  pages =	{125--177},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{9},
  number =	{1},
  editor =	{M\"{u}ller, Meinard and G\'{o}mez, Emilia and Yang, Yi-Hsun},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.9.1.125},
  URN =		{urn:nbn:de:0030-drops-105732},
  doi =		{10.4230/DagRep.9.1.125},
  annote =	{Keywords: Acoustics of singing, audio signal processing, machine learning, music composition and performance, music information retrieval, music perception and cognition, music processing, singing voice processing, sound source separation, user interaction and interfaces}
}

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