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The remaining part of this thesis is structured as follows: Section 2 explains StackExchange and how it works. Section 3 shows the method this thesis uses for analysis. Section 4 contains the investigated datasets. Results are presented in Section 5 and discussed in Section 6. Section 7 conculdes this thesis. The remaining part of this thesis is structured as follows: Section 2 explains StackExchange, how it works, and shows related work. Section 3 shows the method this thesis uses for analysis. Section 4 contains the investigated datasets. Results are presented in Section 5 and discussed in Section 6. Section 7 conculdes this thesis.

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%read template notes again and adjust %read template notes again and adjust
%askubuntu analyse, stackexchange.com/sites anschauen was noch analyse %askubuntu analyse, stackexchange.com/sites anschauen was noch analyse
This section first shows what StackExchange is, how it developed since its inception, and how it works. Next, this section shows previous and related work. %TODO more This section is divided into two parts. The first part explains what StackExchange is, how it developed since its inception, and how it works. The second part shows previous and related work. %TODO more
% first look at how stackexchange works in vackgeound section % first look at how stackexchange works in backgeound section
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\section{Background} \section{Background}
StackExchange\footnote{\url{https://stackexchange.com}} is a community question and answering (CQA) platform where users can ask and answer questions, accept answers as an appropriate solution to the question, and up-/downvote questions and answers. StackExchange uses a community-driven knowledge creation process by allowing everyone who registers to participate in the community. Invested users also get access to moderation tools to help maintain the vast community. All posts on the StackExchange platform are publicly visible, allowing non-users to benefit from the community as well. Posts are also accessible for web search engines so users can find questions and anwsers easily with a simple web search. StackExchange keeps an archive of all questions and answers potsed, creating a knowledge archive for future visitors to look into. StackExchange\footnote{\url{https://stackexchange.com}} is a community question and answering (CQA) platform where users can ask and answer questions, accept answers as an appropriate solution to the question, and up-/downvote questions and answers. StackExchange uses a community-driven knowledge creation process by allowing everyone who registers to participate in the community. Invested users also get access to moderation tools to help maintain the vast community. All posts on the StackExchange platform are publicly visible, allowing non-users to benefit from the community as well. Posts are also accessible for web search engines so users can find questions and anwsers easily with a simple web search. StackExchange keeps an archive of all questions and answers posted, creating a knowledge archive for future visitors to look into.
Originally, StackExchange started with StackOverflow\footnote{\url{https://stackoverflow.com}} in 2008 \cite{atwood2008stack}. Originally, StackExchange started with StackOverflow\footnote{\url{https://stackoverflow.com}} in 2008 \cite{atwood2008stack}.
Since then StackExchange grew into a platform hosting sites for 174 different topics \cite{stackexchangetour}, for instance, programming (StackOverflow), maths (MathOverflow\footnote{\url{https://mathoverflow.net}} and Math StackExchange\footnote{\url{https://math.stackexchange.com}}), and typesetting (TeX/LaTeX\footnote{\url{https://tex.stackexchange.com}}). Since then StackExchange grew into a platform hosting sites for 174 different topics \cite{stackexchangetour}, for instance, programming (StackOverflow), maths (MathOverflow\footnote{\url{https://mathoverflow.net}} and Math StackExchange\footnote{\url{https://math.stackexchange.com}}), and typesetting (TeX/LaTeX\footnote{\url{https://tex.stackexchange.com}}).
Questions on StackExchange are stated in natural English language and consist of a title, a body containing a detailed description of the problem or information need, and tags to categorize the question. After a question is posted the community can submit answers to the question. The author of the question can then accept an appropriate answer which satisfies their question. The accepted answer is then marked as such with a green checkmark and shown on top of all the other answers. Figure \ref{soexamplepost} shows an example of a StackOverflow question. Questions and answers can be up-/downvoted by every user registered on the site. Votes typically reflect the quality and importance of the respective question or answers. Answers with a high voting score raise to the top of the answer list as answers are sorted by the vote score in descending order by default. Voting also influences a user's reputation \cite{stackexchangetour, movshovitz2013analysis}. When a post (question or answers) is voted upon the reputation of the poster changes accordingly. Furthermore, downvoting of answers also decreases the reputation of the user who voted \cite{stackoverflowvotedown}. Questions on StackExchange are stated in natural English language and consist of a title, a body containing a detailed description of the problem or information need, and tags to categorize the question. After a question is posted the community can submit answers to the question. The author of the question can then accept an appropriate answer which satisfies their question. The accepted answer is then marked as such with a green checkmark and shown on top of all the other answers. Figure \ref{soexamplepost} shows an example of a StackOverflow question. Questions and answers can be up-/downvoted by every user registered on the site. Votes typically reflect the quality and importance of the respective question or answers. Answers with a high voting score raise to the top of the answer list as answers are sorted by the vote score in descending order by default. Voting also influences a user's reputation \cite{stackexchangetour, movshovitz2013analysis}. When a post (question or answers) is voted upon the reputation of the poster changes accordingly. Furthermore, downvoting of answers also decreases the reputation of the user who voted \cite{stackoverflowvotedown}.