LinkedTV @ CWI

Within the EU FP7 project LinkedTV we investigate information interfaces for enriched video experiences.


International News companion

LinkedTV News is a second screen application for tablets that acts as a companion to viewers when watching the news broadcasts. Its main goal is to enrich television newscasts by integrating them with other media thus, integrating and concentrating the different activities related to getting informed about the news in one interactive multiple screen, and potentially mobile experience. It is designed to accommodate two viewing modes in terms of interaction: a lean back mode and a lean forward mode.

Linked Culture demonstrator

Linked Culture is a companion application for the Dutch TV program Tussen Kunst & Kitsch. It provides a novel way to experience the program. The user starts the application on the tablet and selects an episode or chapter to watch. Optionally the video is beamed to the TV. When a chapter is finished the user explores rich background and related information about the artwork discussed in the chapter. Finally, the user chooses the next chapter to watch from the suggestions provided by the LinkedTV system.

Linked News demonstrator

Linked News is a companion application for the RBB Aktuell News show. The companion application for News uses the same infrastructure as Linked News. In this case the enrichment dimensions are tailored to the news domain.

Admin interface

Dynamically add, publish videos in to the companion application.


Entity proxy

The entity proxy is a web service that provides uniform access to display information about entities. Given a URI from DBPedia it returns an image and description. Through the lang parameter the language of the description can be specified. The service crawls the resources provided on different language versions of DBPedia and Wikipedia (en,nl,de and fr).

Content proxy

To generate the content for the LinkedTV companion applications we developed a set of tools that are bundled together in the so-called Content proxy. The source code is made available, but not intended for reuse as such. It serves as an illustration for the type of operations that are needed to generate display information.


Interesting entities in News videos

We investigated the user preferences for identifying interesting entities to enrich news videos. The Linked News application helps viewers answer questions that are triggered by the content of the video. Who is that person? Where is this organization located? To effectively support viewers to answer these types of questions the application needs to present the entities that are interesting to the user to receive more information about and link to the appropriate source of this information. In the study we created a dataset of candidate entities for 5 short videos from the BBC One Minute World News Website. We manually identified the entities from different sources and annotated them with their type and their relation to the topic of the video. We also asked an expert to provide the interesting entities for each video. With an online survey we collected feedback on the interestingness of these named entities from 50 participants.