Contextual Information Improving IPTV and Digital TV

This paper presents the results obtained from a systematic literature review that aimed at mapping current research studies that use contextual information to improve the TV watching experience or propose some interesting approach using the TV environment. We followed the orientations of literature for elaboration of three Research Questions: What contextual elements are used IPTV/DTV services? How contextual information used by IPTV/DTV services is acquired? Which types of solutions are being proposed in those approaches? We end the paper presenting our conclusions and opportunities for further work.