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\section{Paper Preparation}  Springer provides you with a complete integrated \LaTeX{} document class  (\texttt{llncs.cls}) for multi-author books such as those in the LNCS  series. Papers not complying with the LNCS style will be reformatted.  This can lead to an increase in the overall number of pages. We would  therefore urge you not to squash your paper.  Please always cancel any superfluous definitions that are  not actually used in your text. If you do not, these may conflict with  the definitions of the macro package, causing changes in the structure  of the text and leading to numerous mistakes in the proofs.  If you wonder what \LaTeX{} is and where it can be obtained, see the  ``\textit{LaTeX project site}'' (\url{http://www.latex-project.org})  and especially the webpage ``\textit{How to get it}''  (\url{http://www.latex-project.org/ftp.html}) respectively.  When you use \LaTeX\ together with our document class file,  your text is typeset automatically in Computer Modern Roman (CM) fonts.  Please do  than the preset fonts, kindly submit these with your files.  Please use the commands \verb+\label+ and \verb+\ref+ for  cross-references and the commands \verb+\bibitem+ and \verb+\cite+ for  references to the bibliography, to enable us to create hyperlinks at  these places.  For preparing your figures electronically and integrating them into  your source file we recommend using the standard \LaTeX{} \verb+graphics+ or  \verb+graphicx+ package. These provide the \verb+\includegraphics+ command.  In general, please refrain from using the \verb+\special+ command.  Remember to submit any further style files and  fonts you have used together with your source files.  \subsubsection{Headings.}  Headings should be capitalized  (i.e., nouns, verbs, and all other words  except articles, prepositions, and conjunctions should be set with an  initial capital) and should,  with the exception of the title, be aligned to the left.  Words joined by a hyphen are subject to a special rule. If the first  word can stand alone, the second word should be capitalized.  Here are some examples of headings: ``Criteria to Disprove  Context-Freeness of Collage Language", ``On Correcting the Intrusion of  Tracing Non-deterministic Programs by Software", ``A User-Friendly and  Extendable Data Distribution System", ``Multi-flip Networks:  Parallelizing GenSAT", ``Self-determinations of Man".  \subsubsection{Lemmas, Propositions, and Theorems.}  The numbers accorded to lemmas, propositions, and theorems, etc. should  appear in consecutive order, starting with Lemma 1, and not, for  example, with Lemma 11.  \subsection{Figures}  For \LaTeX\ users, we recommend using the \emph{graphics} or \emph{graphicx}  package and the \verb+\includegraphics+ command.  Please check that the lines in line drawings are not  interrupted and are of a constant width. Grids and details within the  figures must be clearly legible and may not be written one on top of  the other. Line drawings should have a resolution of at least 800 dpi  (preferably 1200 dpi). The lettering in figures should have a height of  2~mm (10-point type). Figures should be numbered and should have a  caption which should always be positioned \emph{under} the figures, in  contrast to the caption belonging to a table, which should always appear  your source.  Please center the figures or your tabular material by using the \verb+\centering+  declaration. Short captions are centered by default between the margins  and typeset in 9-point type (Fig.~\ref{fig:example} shows an example).  The distance between text and figure is preset to be about 8~mm, the  distance between figure and caption about 6~mm.  To ensure that the reproduction of your illustrations is of a reasonable  quality, we advise against the use of shading. The contrast should be as  pronounced as possible.  If screenshots are necessary, please make sure that you are happy with  the print quality before you send the files.  Please define figures (and tables) as floating objects. Please avoid  using optional location parameters like ``\verb+[h]+" for ``here".  In the printed volumes, illustrations are generally black and white  (halftones), and only in exceptional cases, and if the author is  prepared to cover the extra cost for color reproduction, are colored  pictures accepted. Colored pictures are welcome in the electronic  version free of charge. If you send colored figures that are to be  printed in black and white, please make sure that they really are  legible in black and white. Some colors as well as the contrast of  converted colors show up very poorly when printed in black and white.