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ArtículoA Tutorial on Using Dafny to Construct Verified SoftwareLucio, Paqui. Actas de las XVI Jornadas de Programación y Lenguajes (PROLE 2016), 2016-09-02.This paper is a tutorial for newcomers to the field of automated verification tools, though we assume the reader to be relatively familiar with Hoare-style verification. In this paper, besides introducing the most basic features of the language and verifier Dafny, we place special emphasis on how to use Dafny as an assistant in the development of verified programs. Our main aim is to encourage the software engineering community to make the move towards using formal verification tools. ArtículoAn Introduction to Liquid HaskellPeña Marí, Ricardo. Actas de las XVI Jornadas de Programación y Lenguajes (PROLE 2016), 2016-09-02.This paper is a tutorial introducing the underlying technology and the use of the tool Liquid Haskell, a type-checker for the functional language Haskell that can help programmers to verify non-trivial properties of their programs with a low effort. The first sections introduce the technology of Liquid Types by explaining its principles and summarizing how its type inference algorithm manages to prove properties. The remaining sections present a selection of Haskell examples and show the kind of properties that can be proved with the system. ArtículoPage-Level Webpage Menu DetectionAlarte, Julián; Insa, David; Sílva, Josep. Actas de las XVI Jornadas de Programación y Lenguajes (PROLE 2016), 2016-09-02.One of the key elements of a website are Web menus, which provide fundamental information about the structure of the own website. For humans, identifying the main menu of a website is a relatively easy task. However, for computer tools identifying the menu is not trivial at all and, in fact, it is still a challenging unsolved problem. From the point of view of crawlers and indexers, menu detection is a valuable technique, because processing the menu allows these tools to immediately find out the structure of the website. Identifying the menu is also essential for website mapping tasks. With the information of the menu, it is possible to build a sitemap that includes the main pages without having to follow all the links. In this work, we propose a novel method for automatic Web menu detection that works at the level of DOM. Our implementation and experiments demonstrate the usefulness of the technique.