Base line metric services

Note: these metrics are under continuous development; please contact the appropriate component owner for more information on their status.

Social Content Component (SCC)

Facebook (FHW venue)

• Number of people in the audience that participate in the experiment using Facebook
• Average age of the people in the audience that participate in the experiment using Facebook
• Average degree of separation of the people in the audience that participate in the experiment using Facebook
• Number of likes per photo on Facebook
• Number of comments per photo on Facebook
• Number of answered questions per photo on Facebook
• Number of likes per comment on given Facebook photo
• Number of answers per comment on given Facebook photo

Audio/Visual Content Component (AVCC)

Server Monitoring

• Stream count: Number of streams processed by the AVCC ( integer )
• User count: Number of users connected to each stream ( multiple integer )
• Bitrate: Average bitrate of each stream ( bytes/second )

Client Monitoring

• Frame size: Width and Height of video frames ( two integers )
• Frame rate: Video frame speed ( frames / second )
• Frame drops: Count of frames that cannot be displayed ( integer )

Pervasive Content Component (PCC)

QoS metrics (AR system)

• Data pool: POIs stored in database (updated daily and on request)
  • Breakdown according to various segments (category of POI, level of detail of data, associated third-party resources)
• Location-based data requests per time frame (e.g. per hour)
  • Breakdown/variation: users/time; requests/user/time, etc.
• # of POIs delivered per request
• Response time of server, e.g. average time in ms needed per response, reported hourly; max/min time per response
• Client side metrics
  • mobile device positioning method (GPS, mobile network, WiFi)
  • mobile device positioning accuracy (as reported from device)
  • device characteristics (pixel size etc.)

QoE metrics

• Babylon client metrics
  • User location
  • User affective/arousal wheel coordinates
• Questionnaire data
• Derived from usage figures

3D Content Component (3DCC)

Under development.