Dear Colleagues, (Sorry for the repeated message; the submission site is now set up to accept submissions.) You are cordially invited to submit papers and kindly forward the following CFP to your professional network. *IEEE ESAS '20* *15th International Workshop on* *e-Health Systems and Web Technologies* *(In conjunction with IEEE COMPSAC 2020: Driving Intelligent Transformation of the Digital World, * *Madrid, Spain, July 13-17, 2020)* A sequel to the successful ESAS Workshops Series (2006 – 2019). *Call for Papers:* *April 09, 2020 **– Papers due* *May 1, 2020 **– Notifications due* *May 15, 2020 **– Camera-ready submissions and author registration due* *Web Page:* *– *https://ieeecompsac.computer.org/2020/esas/ *Submission Page:** Select “enter as an author” @ * https://easychair.org/my/conference?conf=compsac20200 *Paper format*: Up to six pages in https://ieeecompsac.computer.org/2020/paper-format/ Authors are invited to submit original technical papers and novel research contributions in any aspect of the following topics of interest. *Track on e-Health and Applications (e-Health)* Health management and analytics; Big data in health; Medical decision support expert systems and tools; e-health oriented software architectures; e-health applications; Semantic Web and e-health systems; Smart health systems and applications; Biomedical semantics; Bioinformatics Web applications; Security, privacy and protection of personal data in e-health systems. *Track on Artificial Intelligence with Web Technologies and Data (AIWD)* Data science and machine learning models; Applications of machine learning; Machine learning for matching schema, instance, search, and retrieval; Machine learning models on knowledge bases and semantic networks; Linked data management and analytics; Big data analytics and applications; Automated and traditional information retrieval and applications; Data mining and applications; Deep learning and applications; Data-driven services and applications. *Track on Recommendation Systems (RS)* Recommendation systems and algorithms; Information filtering; Machine learning for recommendation; Multi-agent recommender systems; Recommendation in social networks; Context-aware recommenders; Recommender system user interfaces. *Track on Web Technologies, Services, and Applications (WTSA)* Web technologies, frameworks, languages, appliances, and services; Semantic Web, ontology and Web services; Web services challenges on trust, security, performance, and scalability; IoT, data management, and analytics; Cyber-physical systems; Distributed systems, edge computing, and streaming data analysis; Smart city applications; Platforms, technologies, mechanisms, and case studies. *Proceedings:* *Accepted papers will be published in COMPSAC Proceedings at IEEE Xplore and subsequently indexed by several popular indexing services.* *Journal and Book Publications:* *Past ESAS journal special issues and book publications include the following:* · The ESAS 2018 special issue of *e-Health and Staying Smarter* for the *Expert Systems* (IF: 1.505) resulted actually in *two SIs* and three regular papers which are published in the 2020 February issue (*https://onlinelibrary.wiley.com/toc/14680394/2020/37/1 <https://onlinelibrary.wiley.com/toc/14680394/2020/37/1>*). · The extended and revised papers of ESAS 2009 and 2010 were published in an edited volume entitled* Semantic Agent Systems: Foundations and Applications* by Springer-Verlag *(* https://www.springer.com/gp/book/9783642183072). · The extended and revised papers of ESAS 2007 and 2008 were published in *a special issue on Engineering Semantic Agent Systems* of *Expert Systems: The Journal of Knowledge Engineering* by Wiley-Blackwell Publishing. Vol 28, No. 5, 2011, pp: 410-487. · *A special issue* of the best papers of ESAS 2006 was published with *An International Journal, IOS Press,* ISSN 1574-1702; Volume 4, Number 3, 2008, pp: 293-346. · Likewise, *a book project for the ESAS 2020 and past ESAS papers* is likely to be offered; more to follow. *Workshop Organizers:* *Atilla Elci*, Aksaray University (Emeritus), Faculty of Engineering, TURKEY, Email: atilla.elci (at) gmail.com *Duygu Celik Ertugrul*, Eastern Mediterranean University, Faculty of Engineering, Mersin-10, TURKEY, Email: duygucelik (at) msn.com, duygu.celik (at) emu.edu.tr Saygılarımla / Warm greetings Atilla Elci, Ph.D., camp Aksaray, TR. My books on Amazon: https://www.amazon.com/s?k=Atilla+ELCI&ref=nb_sb_noss https://scholar.google.com/citations?user=wpQvtlQAAAAJ&hl=en