Table 8.

HotRivers minimum operating requirements to work and affected phases, i.e., before initiate Collecting and Modeling phase those requirements must be checked

Affected phase	HotRivers requirements
Collecting phase	Own a Twitter developer account
	Minimum of 1,500 posted tweets in an account1
	Target account cannot be private
	Minimum of 100 tweets per topic
	Only hot topics’ tweet from official English speakers countries
	Maximum extraction time 4 hours
	Only words, abbreviations and different word spelling
Modeling Phase	Number of tweets repeated between 2 to 52
	Minimal of 1,000 tweets after cleaning and transformation

While some of them are verified by HotRivers, such as minimum of tweets, others are user responsibility, e.g. a minimum of 1,500 posted tweets in an account

¹ It is recommend accounts with at least 3,200 tweets posted

² Only when the CS is used