Basic terms and event features
As we have discussed in Section 1, to measure the veracity of web
event via uncertainty, it is necessary to study the event features of web
event in its evolution process. Before the discussion of web event features,
we define some basic terms which can help the understanding
of veracity measuring process.
3.1. Terms definitions
Normally, users take care of web events when they surf on the
internet. And these web events are provided by webpages, which distribute
on different websites and contain abundant event attributes.
The whole chain process that influences on the measuring process
of event veracity is depicted in Fig. 1 . The five levels are users, web
events, websites, webpages and event attributes, respectively. And
the arrows describe the relations among different levels. This section