Book selection behaviour in the physical library: implications for ebook collection
Annika Hinze; Nicolas Vandershantz; Claire Timpany; Sally Jo Cunningham; Dana McKay

More ebooks are coming onto the market and libraries are starting to offer ebooks in addition to (physical) books. The access to an ebook is naturally different from access to a physical book. However, little is known about how people select ebooks. In this paper we study how people select physical books from academic library shelves. From the results of the study we hope to gain insights into people‘s book selection strategies that may inform the design of software support for ebook selection and purchasing. Inevitably we also make observations about physical libraries; these are not the main target of our study and will therefore be discussed only briefly.


How Do People Organize Their Photos in Each Event and How Does It Affect Storytelling, Searching and Interpretation Tasks?
Jesse Prabawa Gozali; Min-Yen Kan; Hari Sundaram

This paper explores photo organization within an event photo stream, i.e. the chronological sequence of photos from a single event. In our previous work, we have proposed a method to segment an event photo stream to produce groups of photos, each corresponding to a photo-worthy moment in the event. Building upon this work, we have developed a photo browser that uses our method to automatically group photos from a single event into smaller groups of photos we call chapters. The photo browser also affords users with a drag-and-drop interface to refine the chapter groupings. With the photo browser, we conducted an exploratory study of 23 college students with their 8096 personal photos from 92 events. In this paper, we report novel insights on how the subjects organized photos in each event into smaller groups and contrast our observations with existing literature on photo organization. We also explore how chapter-based photo organization affects photo-related tasks such as storytelling, searching and interpretation, through key aspects of the photo layouts. We found that subjects value the chronological order of the chapters more than maximizing screen space usage and that they value chapter consistency more than the chronological order of the photos. For automatic chapter groupings, having low chapter boundary misses is more important than having low chapter boundary false alarms; the choice of chapter criteria and granularity for chapter groupings are very subjective; and subjects found that chapter-based photo organization helps in all three tasks of the user study.


Co-Reading: Investigating Collaborative Group Reading
Jennifer Pearson; Tom Owen; Harold Thimbleby; George Buchanan

(Nominated for Vannevar Bush Best Paper)

Collaborative reading, or co-reading as we call it, is ubiquitous—it occurs, for instance, in classrooms, book-clubs, and in less coordinated ways through mass media. While individual digital reading has been the subject of much investigation, research into co-reading is scarce. We report a two-phase field study of group reading to identify an initial set of user requirements. A co-reading interface is then designed that facilitates the coordination of group reading by providing temporary ‘Point-out’ markers to indicate specific locations within documents. A user study compared this new system with collaborative reading on paper, with a positive outcome; the differences in user behavior between paper and the new interface reveal intriguing insights into user needs and the potential benefits of digital media for co-reading.