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\section{General Project Description}
In this chapter we will give a general description of the project. What
does it do and how is it done? We also give an overview of the used
techniques. At the end of this section a figure with a representation of the project and the techniques is given.
\subsection{The project}
We have made a liquor database which is accessible via a web interface.
The main purposes of the web site is to gather information and put it
to a database. The information can be attained in two ways. One way is to
manually insert the information, the other way is to add a remote RSS feed
to the website. The website will take the information from the RSS
feed en put it into our own database. We have first chosen three standard
RSS feeds, but decided during implementation to bind the RSS feeds
dynamically. \\ One can bind and un-bind RSS feeds to the website. Therefore the site can contain many more and other
information than liquor only, just by connecting other RSS feeds. We
started this project as one with a liquor database, so for the
project liquor is used as initial information. \\
Another functionality of the website is a search engine. It is possible to
search through various messages with given keywords. The title, message content or both are searchable. You can
specify in which news category or which liquor type you want to search. This can also be used as a filter on it. \\
It is also possible to subscribe to a RSS feed of our own. This RSS feed contains the last twenty entries. \\
\subsection{Overview of the used techniques}
At the beginning of the project there were given four technologies.
From these four, the project had to contain at least two. We have chosen
to use all four of the technologies, but during the implementation
we had decided to drop the XSLT part. The reason for that is that we
had to little knowledge of XSLT to find a good problem which we could
solve by using XSLT. \\
The following technologies are used for the project:
\begin{itemize}
\item \textbf{XML/ XML schemes}: This is being used to gather and
store the information.
\item \textbf{XQuery/XPath}: This is being used to save the information rightly and to search for
information.
\item \textbf{Web interface}: This is being used to access the
information.
\end{itemize}
To support the technologies we used the following techniques:
\begin{itemize}
\item \textbf{RSS}: This is being used to gather information from other websites. We use it also to deliver information.
\item \textbf{PHP}: This is used to built the website.
\item \textbf{Simple XML for PHP}: This is a PHP module which gives the opportunity to work with XML statements. This is used to built the outgoing RSS Feed.
\end{itemize}
\subsection{Representation of the project}
In the figure below you see a representation of our project. The
website with the XML database is the central of the project. The
website has a PHP script which will be run six times per day. First the
script gets the RSS binding from the database, then it obtains the
information from the RSS feeds and puts these into database. A user
can interact with the site (search information or inserts new
information). The website transforms the user interactions to
Xquery/Xpath, so it can interact with the database. A user can also
get an RSS feed from our website.
\begin {center}
\includegraphics[width=149.7mm]{DiagramPottepeiFinal.png} \\
Representation of the project
\end {center}
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