studies [@oconnor_tweets_2010; @ceron2015using] have pointed out that such systems could perform as well as traditional polling systems, but at a much lower cost.

Talaia is a platform for monitoring the impact of topics specified by the user in social media and digital press. The process starts when the user configures the system to find information related to a domain or topic. Talaia provides real time information on the topic and graphic visualizations to help users interpreting the data. Such technology has various applications areas, such as:

-   Monitoring events: Following public events in real time harvesting people’s opinions and media news [@sutton2009social; @yu2015world].

-   Analyze citizen or electors voice: Tracking the opinions citizens convey with respect to public services or trends during electoral campaigns [@ceron2015using].

-   Marketing and brand management: Measuring the impact of marketing campaigns in a digital environment [@ahmed2018measuring].

-   Business Intelligence: Fast and efficient visualization of the information extracted from social media offers companies the possibility to analyse opinions about their products or services [@he2013social; @mostafa2013more].

-   Security: Detection of social conflicts, crimes, and cyberbullying [@Xuetal2012sabullying; @dadvar2013improving].

Talaia consists of three main modules: (i) a crawler collecting the data; (ii) a data analysis module; and (iii) a 