tutorial-SNASEL

Web Content Mining Václav Snášel, Miloš Kudělka Web page is like a family house. Each part has its sense, determined by a purpose which it serves. Every part can be named so that everybody imagines approximately the same thing under that name (living room, bathroom, lobby, bedroom, kitchen, balcony,…). In order that the inhabitants may orientate well in the house, certain rules are kept. From the point of view of these rules, all houses are similar. That is why it is usually not a problem e.g. for first time visitors to orientate in the house. We can describe the house quite precisely thanks to names. If we add information about a more detailed location such as sizes, colours, equipment and further details to the description, then the future visitor can get an almost perfect notion of what he will see in the house when he comes in for the first time. We can also approach similarly the description of a building other than a family house (school, supermarket, office etc.). Also in this case the same applies for visitors and it is usually not a problem to orientate (of course it does not always have to be the case, as well as bad Web pages there are also bad buildings). Let us look at the problem from the other side. If we visit a building with a blindfolded person, then we can submit basically three tasks. The first is to find out what the purpose of the building is. The second is to find out what parts (e.g. rooms) the building contains and the ...