A politician is a person who has political power in the government of a state, a person active in party politics, or a person holding or seeking an elected office in government.
Politicians are people who are politically active, especially in party politics. Political positions range from local governments to state governments to federal governments to international governments. All government leaders are considered politicians.
In Japan's Public Offices Election Law and Political Funds Control Law, "candidates, prospective candidates, and those currently holding public office who are elected by public election" are collectively referred to as politicians.
Politicians are known for their rhetoric, as in speeches or campaign advertisements. They are especially known for using common themes that allow them to develop their political positions in terms familiar to the voters. Politicians of necessity become expert users of the media. Politicians in the 19th century made heavy use of newspapers, magazines, and pamphlets, as well as posters. In the 20th century, they branched into radio and television, making television commercials the single most expensive part of an election campaign. In the 21st century, they have become increasingly involved with the social media based on the Internet and smartphones.
Rumor has always played a major role in politics, with negative rumors about an opponent typically more effective than positive rumors about one's own side.
Once elected, the politician has to deal with government officers and government employees working for them. Historically, there has been a subtle conflict between the long-term goals of each side. In patronage-based systems, such as the United States in the 19th century, winning politicians replace the government officers and government employees not protected under the government services rules with their supporters. It was the "spoils system". Government job reform was initiated to eliminate the corruption of government jobs.
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A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of a state's official representative. Depending on the type of political region or polity, a governor may be either appointed or elected, and the governor's powers can vary significantly, depending on the public laws in place locally. The adjective pertaining to a governor is gubernatorial, from the Latin root gubernare.
A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. Under those systems, a prime minister is not the head of state, but rather the head of government, serving as the principle administrator under either a monarch in a monarchy or under a president in a republican form of government.
In this thesis, we explore the application of data mining and machine learning techniques to several practical problems. These problems have roots in various fields such as social science, economics, and political science. We show that computer science tec ...