[Apologies for multiple copies] Due to numerous requests, we have extended the deadline for this special issue of the JOURNAL OF LOGIC AND ALGEBRAIC PROGRAMMING. We welcome papers related to the specification, design, construction, debugging, verification and validation of web systems. **************************************************************************** (Extended) Call for Papers JOURNAL OF LOGIC AND ALGEBRAIC PROGRAMMING Special Issue on Automated Specification and Verification of Web Systems http://www.dsic.upv.es/~jsilva/wwv2013/jlap2014/ **************************************************************************** IMPORTANT DATES Submission of papers: November 15, 2013 First review decision: February 15, 2014 Revision due: March 30, 2014 Acceptance notification: May 15, 2014 Final manuscript due: June 15, 2014 Expected publication: Summer/Autumn 2014 AIMS AND SCOPE This special issue of the Journal of Logic and Algebraic Programming (JLAP, http://www.journals.elsevier.com/the-journal-of-logic-and-algebraic-programm...) is devoted to the topics of: - the 9th International Workshop on Automated Specification and Verification of Web Systems (WWV 2013, http://www.dsic.upv.es/~jsilva/wwv2013/), which took place on June 2013 in Firenze, as part of the International Federated Conferences on Distributed Computing Techniques (DisCoTec 2013). This is however an open call for papers, therefore both participants of the workshops and other authors are encouraged to submit contributions. The aim of this special issue is to provide an interdisciplinary forum to facilitate the cross-fertilization and the advancement of hybrid methods that exploit concepts and tools drawn from Rule-based programming, Software engineering, Formal methods and Web-oriented research. Nowadays, many companies and institutions have diverted their Web sites into interactive, completely-automated, Web-based applications for, e.g., e-business, e-learning, e-government and e-health. The increased complexity and the explosive growth of Web systems have made their design and implementation a challenging task. Systematic, formal approaches to their specification and verification can permit to address the problems of this specific domain by means of automated and effective techniques and tools. We solicit original papers on topics of either theoretical or applied interest, which include, but are not limited to: - Approaches to Web system analysis, certification, specification, verification, and optimization. - Languages and models for programming and designing Web systems. - Formal methods for describing and reasoning about Web systems. - Model-checking, synthesis and debugging of Web systems. - Analysis and verification of linked data. - Web information retrieval. - Abstract interpretation and program transformation applied to the semantic Web. - Intelligent tutoring and advisory systems for Web specifications authoring. - Middleware and frameworks for composition and orchestration of Web services. - Web quality and Web metrics. - Web usability and accessibility. - Testing and evaluation of Web systems and applications. SUBMISSION We expect original articles (typically 20-30 pages; submission of larger papers will be evaluated depending on editorial constraints) that present high-quality contributions that have not been previously published in another journal and that must not be simultaneously submitted for publication elsewhere. Each paper will undergo a thorough evaluation by at least two reviewers. The authors will have about 50 days to incorporate the comments of the reviewers and submit a revised version of their papers, which will be evaluated again by the reviewers to make a final decision. Contributions should be in PDF format and must comply with JLAP's author guidelines, which can be retrieved from http://www.elsevier.com/wps/find/journaldescription.cws_home/621520/authorin.... The manuscripts must be written in English and should be prepared using the Elsevier LaTeX package. Submissions are handled using the Elsevier Editorial System and can be uploaded using the following link: http://ees.elsevier.com/jlap/default.asp In the submission process, the authors must select the article type 'WWV 2013'. GUEST EDITORS António Ravara (aravara@fct.unl.pt) Universidade Nova de Lisboa, Portugal Josep Silva (jsilva@dsic.upv.es) Universitat Politècnica de València, Spain