1. Christine Laham, Fahed Abdu, David Dezano,Shelly Kim

2.  Publishing or transfer of a user's digital photos online, thus enabling the user to share them with others (publicly or privately).  Provided through both websites and applications that facilitate the upload and display of images.  Sharing means that other users can view but not necessarily download the photos, users being able to select different copyright options.  Over 30 applications in the domain

3.  The first photo sharing sites originated during the mid to late 1990s primarily from services providing online ordering of prints  Portable devices  Editing tools  Organization tools

4. Applications in the domain: Applications outside the domain:

5.  Feature diagram describes and defines the domain  Enables different configurations for each one of the applications

6.  Choosing and Uploading photos from an existing folder  Share photos via other social networks and email  Tagging option in all applications either tagging a category, location or person  Searching for other photos within the application  Any type of photo can be uploaded  User must have an account in order to use the application  Privacy settings

7.  Different type of users  Application architecture  Editing  Application contacts can be grouped  Feedback: comments and likes

9.  An online photo-sharing application that started in October, 2010  Contains over 150 million photos and 30 million accounts  Purchased by Facebook in 2012 for 1 billion dollars in cash  Distributed through the Apple App Store and Google Play which makes it a very popular application Structure:

10.  Only free accounts available  A mobile application  Editing is basic. Instagram offers crop,filter and fix photo options  When uploading a photo the user can capture a photo instantly  Photos cannot be arranged in albums

14.  Photo-Sharing community, containing over 100 million photos and over 30 million users  Online photo management and sharing application founded by Stewart Butterfield and Caterine Fake in 2004  Web giant Yahoo! acquired Flickr in early 2005  Is the most used application for photo sharing Structure

15.  Connected to an advanced editing application which has a huge variety of editing tools  Folders and packages can be uploaded and downloaded  Photos can be mapped according to location tagging  Supports contacts and sharing with group of contacts  User can change view settings to slideshow, photostream or feed  Application technology: Web-based and mobile  Add photos to favorites  Sorting photos by popularity or time-stamp

19.  Google's Picasa software lets you organize, edit, and upload your photos  simple way to get photos from your camera and computer on the web, free storage for sharing your photos Structure

20.  Picasa albums are stored in local folders and a synchronized web album  Powerful image editing and process as well as a face recognition technology  Sharing is done via contact and location tags in combination with album privacy policies  Premium type users and payment method and differ in having a larger hosting storage space

24.  The first version of 500px came to light in the early days of digital photography  Keeps focus on the highest quality photos  as for May 2012 500px hosts over 6 million photos  By late November 2012 the site had more than 1.5 million users  As for today, 500px site is ranked 1645 in the world according to “Alexa” traffic rankings

25.  Buying photos  Users  Blogs and Stories  Ranking system  Enhanced photo meta data

31.  User manuals as indicators of the application capabilites and requirments  Application capabilities as a check list for comparisons of features  Requirments as an indicator for key elements in an application  Articles in surrounding fields contributed with common terms and theire meaning

32.  The applications significantly differ from each other  The application in the field must be based mainly on photo sharing  Each application is unique by combining different features  Sharing the photos through other social media networks is very common

33.  Searching for domain applications  Learning the wide range of the applications  Choosing 4 representative applications  Model each application using UML diagrams  Pointing out the main shared features  Pointing out the variation points  Model the domain using ADOM

34.  The domain contains dosens of applications  The application diverse in the target audiance and the features they include  Only some have user direct revenue model  Diversed editing option  Aimed platform