ereading technology solutions ereading seminar Olli Nurmi, Olli Alm VTT Technical Research Centre of Finland, Metropolia

Transcription

1 ereading technology solutions ereading seminar Olli Nurmi, Olli Alm VTT Technical Research Centre of Finland, Metropolia

2 Overview of the presentation Different aspects of ereading Introduction to HTML5 Demonstration of the current work Future plans

3 ereading reading modes Communication, active mode Handsets ereading devices (E Ink-based) Laptops, Tablets Relaxing, learning Office environment, content creation

4 ereading user perspective

5 ereading-ecosystem perspective Core values: Access to large selection of content Usability

6 Media becomes more as a service Interaction The readers becomes produces Citizen journalism Social networking Real-time services Audience becomes users Mobility The media is always with and present Ubiquitous media User tracking and geolocation, GPS

7 Current mobile landscape Different operating systems Different programming environments Different models for distribution No dominant player Native vs. Web application

8 Current approaches ipad Apps Native application with speed & design features Apple ecosystem dependent Adobe AIR cross-operating system runtime to deploy rich Internet applications (RIAs) on the desktop Evolving standards (HTML5/CSS3 and epub) Interoperable Limitation of design & support

9 Native apps vs. web

10 Why HTM5 for ereading? Single source base for multiple device platforms Provides powerful APIs to create near native like functionality Location Offline Storage Graphic functions Media support Good support for HTML5 in most mobile Web browsers. Improving by the day

11 HTML5 Geolocation API Determine where the device is. Find it right in the browser Useful for providing location based services API allows for both one time location and continuous location

12 HTML5 Storage API Allows local storage of application data on the device 5MB per domain (ipad limitation) Key component to Offline usage Types of Storage options

13 Open platform for news service Editorial system XML description Devices with html5- compatible browser Newspaper 1 Article 1 - n Header 1 n Idnumber Section category Images.

14 Design principles Silent mode : minimal effort for reader no additional elements (as easy as reading a paper) Page design for easy overview 3-fold navigation main page/section/article Fluid browsing: tapping, swiping, animations Beginning and end support, navigational aids Consistency and simplicity of navigation

15 Content modelling / Navigation (Front page) Content catalogue Section 1 Section 1+n Article n Priority x Article n+1 Priority y Bundled articles Article 1 Related article Related article Facts Short article Short article Article/section / image browsing Article/section / page turn Level change article section catalogue

16 Metadata in the news xml kuvateksti osasto otsikot kirjoittaja prioriteetti uutinen id kainalo pvm päivitetty paikka (juttulaji) allekirj kuvaaja kappaleet, nimet, väliotsikot

17 Image gallery

18 Current main features Touch screen support Dynamic layout, reflow of text, multiple columns Profilation of main page Section/Article based navigation Article grouping/linking Dynamic hyphenation Linking to Wikipedia on <nimi>-tag Picture gallery Article bookmarking *only some of the html5 enabled features are implemented because of the xmlfeed restrictions

19 Content related problems Front page not included in the xml Misuse of and errors in metadata

20 Content related problems Magazine type content which doesn t fit to content model Designed manually for print version Layout intensive Not enough metadata in the pictures priority, size, grouping, order, overlays low resolution Tables currently no supported in ereader solution: automatic conversion of tables to pngimages or SVG-graphic

21 Areas for further development Search and content aggregation Interactivity Video and audio material Dynamic updates Personal news service and archive geotargeted editions and advertisement User data collection and reflection Collective and social reading services

22 Research platform client server HTML5 geolocation retrieval search ads offline sync iapp contextualization content repository indexer access control user stats DRM