Principles of an information system
SR Ranganathan sets out five key principles:
1. The information is to be used
2. Information is for everyone. Because it provides economic benefits, so fewer people possess
information, the more valuable it will be. Acc
Public Relations always try to create a larger and successful image of the person or institution
that takes over. This is essentially a form of social communication persuasive. Try to change the
images of persons or institutions. As Nogu
It is a form of intentional communication. Responds to a certain ideology and a certain interest
in order to get followers or sympathizers. You can serve persuasion and even manipulation, but
we must not take a negative sense.
Propaganda is no
SHORT-TERM EFFECTS. THE THEORY OF MAGIC BULLET
Traditional and stable system (strong ties). 1st GM Guy is not involved with the society or in the
"There has emerged a vast mass of segregated and isolated individuals who are interdepende
PUBLIC / RECEIVER
- Public and mass Tonnies, in the XIX century after WWI, is who presents the first conception of the
public. Defined as a mass difference between community and society.
Community social form characterized by the existence of primary grou
What communication we mean ?, What is communication?
Basically, we refer to the media. What do we mean by this?
Five definitions that come to explain what social communication, emphasizing different things. These
definitions are as foll
Shanon criticism of the model:
They focus mainly on two aspects:
Entropy or disorder: The information is messier, more time will be lost selecting necessary.
Noise: Interference in the transmission of the information contained in the message.
They come ma
Phases of the documentary process
We can distinguish four phases:
Many authors say that the documentary never make an original message, although working on original
Considering the above three phases are distinguished in the twentieth century:
Ranging from studies and systematization carried out by Otlet until the Second World War. Are
the first state and private centers of Do
Procedures to improve the search:
Weighting: an index weighting is applied.
Proximity: Define the proximity of content descriptors on which the search was made.
Souped: Search a word by a group of letters regardless of suffixes or prefixes.