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It's our great pleasure to welcome you to the 2018 ACM International Conference on Intelligent User Interfaces (IUI 2018), held in Tokyo from 7-11 of March. This is the twenty-third IUI conference, continuing its tradition of being the main international forum for reporting outstanding research at the intersection of Human Computer Interaction (HCI) and Artificial Intelligence (AI). The work that appears at IUI bridges these two fields and delves also into related fields, such as psychology, cognitive science, computer graphics, the arts, and others. Members of the IUI community are interested in improving the symbiosis between humans and computers, and in making systems adapt to humans rather than the other way around. The program of IUI 2018 reflects the growth of the Intelligent User Interfaces research community. The calls for contributions attracted 297 full and short paper submissions from all over the world (a record number for the IUI conference series), 127 submissions of posters and demos, and 22 submissions to the student consortium. The conference committee accepted 68 papers (43 long papers and 25 short papers), covering a diverse range of topics, as reflected in the conference session titles. The conference program also includes 35 posters, 30 demos, and 11 student consortium papers. Building on the tradition of collaboration of IUI with ACM TiiS journal, 4 papers that were published by the journal in 2017 will be presented at the conference and selected papers presented at the conference will be invited to submit extended versions to the journal. In addition, IUI 2018 will feature 7 workshops on topics related to Intelligent User Interfaces. One of the main features of the conference are the 3 keynote talks. James A. Landay from Stanford University will open the conference with a keynote talk entitled From On Body to Out of Body User Experience. Following this, Masataka Goto from the National Institute of Advanced Industrial Science and Technology (AIST) will present his talk Intelligent Music Interfaces. Finally, Jennifer Golbeck from the University of Maryland will present her talk Surveillance or Support: When Personalization Turns Creepy. IUI 2018 will also feature the second edition of the lasting Impact Award, celebrating an impactful paper presented at one of the past editions of IUI. A novel aspect of IUI 2018 will be its co-location with IPSJ Interaction 2018, the leading domestic HCI conference in Japan. The two conferences will be held in the Hitotsubashi Hall and will be scheduled back-to-back, allowing the participants of one conference to also take part in the other. The two conferences will have a shared day that will feature the keynote talk of James A. Landay and a shared interactive poster/demo session. This co-location of the conferences will expose IUI to the local research community and hopefully attract new participants. We thank the IPSJ (Information Processing Society in Japan), and especially the five special-interest groups that organize IPSJ Interaction: IPSJ SIG-HCI, SIG-GN, SIG-UBI, SIG-EC and SIG-DCC. Without their immense help, this co-location would not have been possible. We also thank SIGCHI for their funding for Internationalisation, Diversity and Inclusion events at SIGCHI Sponsored Conferences to support this co-location.

We are delighted to welcome you to the 2018 ACM International Symposium on Field-Programmable Gate Arrays (ACM FPGA 2018). ACM FPGA is the premiere forum for the presentation of new and exciting research on all aspects of FPGA technology, which include: Novel FPGA architectures and circuitsAdvances in CAD tools for FPGAs, in areas such as technology mapping, placement, routing, and others.High-level design methodologies that permit FPGA design at higher levels of abstraction.New applications for FPGAs, particularly their use as accelerators for achieving higher computational throughput and energy efficiency. Aside from the technical sessions, the conference provides the opportunity for FPGA researchers and practitioners from around the world to connect with long-time friends, meet new ones, and network with one another in beautiful Monterey, California, famous worldwide for its spectacular coast, Fisherman's Wharf, and Cannery Row. This year we received 116 submissions, of which 26 were accepted as full research papers (10 pages) to appear in the main conference or the pre-conference special-session on deep learning, and 4 papers were accepted as short research papers (6 pages). All full and short papers appear in these proceedings. In addition, 31 submissions were selected to be presented as posters; abstracts of these appear in these proceedings. At FPGA 2018, we continue to see an emphasis on the two themes causing tremendous interest in the FPGA industry: 1) the potential role for FPGAs in deep learning, and 2) the recent introduction of FPGAs in the cloud by increasing numbers of large companies, including Microsoft, Amazon, Baidu, Alibaba, Huawei, IBM and others. The panel discussion, at the Monday evening banquet, will consider whether FPGAs (as opposed to GPUs and CPUs) will ultimately succeed in becoming a widespread computing platform for deep learning. We expect a lively exchange among the panelists! The symposium kicks off with back-to-back Sunday morning workshops on cloud-deployed FPGAs, and a parallel workshop session on using FPGAs for packet processing as specified in the P4 language. Sunday afternoon will focus on how FPGAs can be used for deep learning, with both invited presentations and research presentations. The use of low computational precision will figure prominently in the deep-learning research presented.

Welcome to the 49th SIGCSE Technical Symposium on Computer Science Education (the 2018 Symposium), the premiere technical conference for computer science educators. The 2018 Symposium is sponsored by the ACM Special Interest Group on Computer Science Education (SIGCSE). SIGCSE is an organization of about 2700 members from more than 70 countries interested and engaged in computer science education. One of the strengths of SIGCSE is the dedication of its members who volunteer to ensure that the activities and events held throughout the year are successful. There are two volunteers in particular who worked very hard to bring the 2018 Symposium to life. Conference co-chairs Tiffany Barnes and Dan Garcia have spent countless hours over the past two years ensuring that the (hopefully around) 1500 attendees at the 2018 Symposium will have a rewarding and inspiring experience. They have led a committee of nearly 100 people in the process of creating an engaging and innovative program, creating opportunities for networking, and handling all the issues big and small that come with a conference of this size. On behalf of the SIGCSE organization and Board, I thank Tiffany and Dan for their hard work and vision that made this conference possible. This conference also provides us with a chance to honor two people each year for their contributions to computer science education and the SIGCSE community. The annual SIGCSE award for Outstanding Contribution to Computer Science Education will be given to Tom Bell. Bell is best known as the primary author of the CS Unplugged Project, which produced a set of free computer science learning activities that do not use a computer or require programming. His work has influenced many computing educators working to bring computer science to students in schools in many countries around the globe, and it is likely that the impact of his work will be felt for decades to come. The annual SIGCSE award for Lifetime Service will be given to Eric Roberts. Roberts has too many accomplishments to list here, but they include chairing the ACM SIGCSE Java Task Force, serving on the ACM Education Board for nearly 20 years, and continuing to serve on the ACM Education Council. Roberts has earned many awards for his work, including a previous award for Outstanding Contribution to Computer Science Education, making him one of the few people to earn both SIGCSE awards. Please join me and the rest of the SIGCSE Board in congratulating both of them on their well-deserved awards. The 2018 Symposium will offer you many opportunities to network, whether at sessions, during breaks, at the social events associated with the conference, or simply as you meet people in the halls. I hope that some of the people you will get a chance to talk to will be the members of the SIGCSE Board. Your input and feedback about SIGCSE is important to us, and we want to hear from you. One opportunity to see the Board members will be at the SIGCSE Business meeting on Friday, February 23rd from 5:10 pm to 6 pm in room 308 in the convention center. At this annual meeting we will discuss the overall structure of the SIGCSE organization and share the results of the many SIGCSE projects and events that have been carried out during the past year.

We are delighted to welcome you to the nineteenth edition of the International Workshop on Mobile Computing Systems and Applications -- HotMobile '18. This year continues the tradition of selective, highly interactive workshops that discuss the latest ideas in mobile systems and applications, along with new breakthroughs in underlying technologies. In addition to the technical program and keynote speakers, the program is designed to continue the HotMobile tradition of engaging the audience in deep technical discussions and debates of controversial approaches. The selection of full papers to this workshop was highly competitive. Out of 65 submissions, the technical program committee accepted 19 for publication and presentation, resulting in an acceptance rate of 29%. An in-person PC meeting was held at the Stony Brook University to make final acceptance decisions. The PC members demonstrated a strong commitment to the selection process, not only by submitting high-quality reviews, but by traveling to New York from locations all over the world, including Singapore, Germany, and France. Accompanying full papers are a set of posters and demonstrations of exciting early stage research from the community. Collectively our program spans a rich range of topics including mobile DNA analysis, virtual reality, self-driving cars, new sensing technologies, and the Web. We feel this reflects the strong health, vibrancy and breadth of the mobile computing field.