ounded in 1904 and headquartered in Farmington Hills, Michigan, the American Concrete Institute is advancing concrete knowledge by conducting 125 seminars annually, managing 14 different certification programs, publishing hundreds of technical documents, and offering scholarships to students in the field. With 98 chapters, 37 student chapters, and nearly 20,000 members spanning over 120 countries, the American Concrete Institute has always retained the same basic mission - to develop, share, and disseminate the knowledge and information needed to utilize concrete to its fullest potential.

ACI Open is an Open Access companion journal to Applied Clinical Informatics (ACI). It is published by Thieme in cooperation with Schattauer publishing subject matters in the field of clinical informatics including clinical information systems (including electronic medical records and systems, personal health records, physician/provider order entry, electronic prescribing, clinical decision support, nursing information systems, patient scheduling and tracking tools, lab information systems, radiology information systems, PACS, GP information systems), mobile health applications, administrative and management systems, eHealth systems, information technology development, deployment, usability, and evaluation, socio-technical aspects of information technology and health IT training. ACI Open is an official ejournal of AMIA.

ounded in 1904 and headquartered in Farmington Hills, Michigan, the American Concrete Institute is advancing concrete knowledge by conducting 125 seminars annually, managing 14 different certification programs, publishing hundreds of technical documents, and offering scholarships to students in the field. With 98 chapters, 37 student chapters, and nearly 20,000 members spanning over 120 countries, the American Concrete Institute has always retained the same basic mission - to develop, share, and disseminate the knowledge and information needed to utilize concrete to its fullest potential.

The ACM CHI Conference on Human Factors in Computing Systems is the premier international conference of Human-Computer Interaction. For first-time attendees, CHI is a place where researchers and practitioners gather from across the world to discuss the latest in interactive technology. We are a multicultural community from highly diverse backgrounds who together investigate new and creative ways for people to interact.

The ACM Computing Surveys publishes surveys of and tutorials on areas of computing research or practice. See the Editorial Charter available at http://www.acm.org/surveys/Charter.html for further details. Contributions should conform to generally accepted practices for scientific papers with respect to organization and style.Types of PapersSubmissions must be of one of the following types.Survey paper A paper that summarizes and organizes recent research results in a novel way that integrates and add understanding to work in the field. A survey article assumes a general knowledge of the area; it emphasizes the classification of the existing literature, developing a perspective on the area, and evaluating trends. Tutorial paper A paper that organizes and introduces work in the field. A tutorial paper assumes its audience is inexpert; it emphasizes the basic concepts of the field and provides concrete examples that embody these concepts. Symposium Proposals Proposals for editing Symposium issues covering areas or topics of research, such as the Symposium on Artificial Intelligence appearing in Volume 27, Number 3 (September 1995). Paper LengthPapers should not normally exceed 35 pages when formatted using the Surveys style. When justified, additional material may be published in an electronic supplement. Manuscripts of excessive length may be rejected without review.