\relax 
\citation{clayton98wcre}
\citation{wiggerts97wcre2}
\@writefile{toc}{\contentsline {section}{\numberline {1}\hskip -1em.\penalty \@M \ Introduction}{1}}
\citation{lakhotia97JSS}
\citation{lakhotia97JSS}
\citation{kunz95TSE}
\citation{patel92icse}
\citation{canfora94icsm}
\citation{muller93SMRP}
\citation{tzerpos97wcre}
\citation{anquetil95oopsla}
\citation{mancoridis96icsm}
\citation{tzerpos97wcre}
\citation{anquetil99JSMRP}
\@writefile{toc}{\contentsline {section}{\numberline {2}Issues in Clustering}{2}}
\newlabel{sec:clust}{{2}{2}}
\@writefile{toc}{\contentsline {subsection}{\numberline {2.1}Entities to Cluster and their Descriptions}{2}}
\newlabel{sec:clust-desc}{{2.1}{2}}
\@writefile{lof}{\contentsline {figure}{\numberline {1}{\ignorespaces Some files and possible clusters based on their inclusion.}}{2}}
\newlabel{fig:includes}{{1}{2}}
\citation{sneath73}
\citation{sneath73}
\citation{sneath73}
\@writefile{toc}{\contentsline {subsection}{\numberline {2.2}Similarity Metrics}{3}}
\newlabel{sec:clust-dist}{{2.2}{3}}
\citation{lakhotia97JSS}
\citation{wiggerts97wcre2}
\citation{wiggerts97wcre2}
\@writefile{toc}{\contentsline {subsection}{\numberline {2.3}Clustering Algorithms}{4}}
\newlabel{sec:clust-algo}{{2.3}{4}}
\@writefile{lof}{\contentsline {figure}{\numberline {2}{\ignorespaces Distance of a new cluster (\emph  {C4}) to other clusters (\emph  {C3}) in agglomerative hierarchical clustering algorithms.}}{4}}
\newlabel{fig:algo-dist}{{2}{4}}
\@writefile{lof}{\contentsline {figure}{\numberline {3}{\ignorespaces Influence of the clustering algorithm on the clusters (from \cite {wiggerts97wcre2}). Left: Single linkage. Right: Complete linkage.}}{4}}
\newlabel{fig:sing-comp}{{3}{4}}
\@writefile{lot}{\contentsline {table}{\numberline {1}{\ignorespaces Summary of the three clustering parameters studied. ``Zero'' identifies the similarity metrics which do consider null-dimensions.}}{5}}
\newlabel{tab:sum-params}{{1}{5}}
\@writefile{toc}{\contentsline {subsection}{\numberline {2.4}System Partitions}{5}}
\newlabel{sec:clust-part}{{2.4}{5}}
\@writefile{lof}{\contentsline {figure}{\numberline {4}{\ignorespaces A hierarchy of clusters and how to cut it to get a partition of the data set.}}{5}}
\newlabel{fig:clust-cut}{{4}{5}}
\@writefile{toc}{\contentsline {section}{\numberline {3}Quality Criteria}{5}}
\newlabel{sec:quality}{{3}{5}}
\citation{salton83}
\citation{sommerville95}
\citation{kunz95TSE}
\citation{patel92icse}
\@writefile{toc}{\contentsline {subsection}{\numberline {3.1}Expert Criterion}{6}}
\newlabel{sec:qual-expert}{{3.1}{6}}
\@writefile{toc}{\contentsline {subsection}{\numberline {3.2}Design Criterion}{6}}
\newlabel{sec:qual-design}{{3.2}{6}}
\citation{mancoridis98iwpc}
\@writefile{lof}{\contentsline {figure}{\numberline {5}{\ignorespaces Size criterion for two algorithms. The algorithm with more intermediate clusters (complete linkage on the left) is better. System: gcc. Feature: File inclusions. Similarity metric: Jaccard coefficient.}}{7}}
\newlabel{fig:qual-size}{{5}{7}}
\@writefile{toc}{\contentsline {subsection}{\numberline {3.3}Size Criterion}{7}}
\newlabel{sec:qual-size}{{3.3}{7}}
\citation{mosaic}
\citation{gcc}
\@writefile{lof}{\contentsline {figure}{\numberline {6}{\ignorespaces Comparison of four algorithms using the design criterion. System: Linux. Feature: file inclusions. Similarity metric: correlation.}}{8}}
\newlabel{fig:algos-design}{{6}{8}}
\@writefile{lof}{\contentsline {figure}{\numberline {7}{\ignorespaces Comparison of four algorithms using the expert criterion. System: Linux. Feature: file inclusions. Similarity metric: correlation.}}{8}}
\newlabel{fig:algos-expert}{{7}{8}}
\@writefile{toc}{\contentsline {section}{\numberline {4}Results}{8}}
\newlabel{sec:result}{{4}{8}}
\@writefile{toc}{\contentsline {subsection}{\numberline {4.1}Clustering Algorithms}{8}}
\newlabel{sec:res-algo}{{4.1}{8}}
\citation{wiggerts97wcre2}
\@writefile{lof}{\contentsline {figure}{\numberline {8}{\ignorespaces Comparison of three similarity metrics using the size criterion. System: Mosaic; Feature: type references; Algorithm: Complete linkage.}}{9}}
\newlabel{fig:dist-size}{{8}{9}}
\@writefile{toc}{\contentsline {subsection}{\numberline {4.2}Similarity Metrics}{9}}
\newlabel{sec:res-dist}{{4.2}{9}}
\@writefile{toc}{\contentsline {subsection}{\numberline {4.3}Entity Descriptions}{9}}
\newlabel{sec:res-desc}{{4.3}{9}}
\@writefile{toc}{\contentsline {section}{\numberline {5}Related Work}{9}}
\newlabel{sec:relat}{{5}{9}}
\citation{lakhotia97JSS}
\citation{armstrong98wcre}
\citation{storey96wcre}
\citation{girard97wcre}
\citation{deursen99icse}
\citation{lindig97icse}
\citation{siff97icsm}
\citation{deursen99icse}
\citation{anquetil94}
\citation{clayton98wcre}
\@writefile{lof}{\contentsline {figure}{\numberline {9}{\ignorespaces Comparison of four different features using the design criterion. Earliest cuts (height $<0.5$) were ignored to improve readability. System: Mosaic. Algorithm: Complete linkage. Similarity metric: Jaccard coefficient.}}{10}}
\newlabel{fig:desc-design}{{9}{10}}
\@writefile{lof}{\contentsline {figure}{\numberline {10}{\ignorespaces Comparison of four different features using the expert criterion. Earliest cuts (height $<0.5$) were ignored to improve readability. System: Mosaic. Algorithm: Complete linkage. Similarity metric: Jaccard coefficient.}}{10}}
\newlabel{fig:desc-expert}{{10}{10}}
\citation{wiggerts97wcre2}
\citation{deursen99icse}
\bibstyle{latex8}
\bibdata{kbre,reference,doc,a-lire}
\bibcite{anquetil99JSMRP}{1}
\bibcite{anquetil94}{2}
\bibcite{anquetil95oopsla}{3}
\@writefile{toc}{\contentsline {section}{\numberline {6}Conclusion}{11}}
\bibcite{deursen99icse}{4}
\bibcite{armstrong98wcre}{5}
\bibcite{canfora94icsm}{6}
\bibcite{clayton98wcre}{7}
\bibcite{gcc}{8}
\bibcite{girard97wcre}{9}
\bibcite{kunz95TSE}{10}
\bibcite{lakhotia97JSS}{11}
\bibcite{lindig97icse}{12}
\bibcite{mancoridis96icsm}{13}
\bibcite{mancoridis98iwpc}{14}
\bibcite{mosaic}{15}
\bibcite{muller93SMRP}{16}
\bibcite{patel92icse}{17}
\bibcite{salton83}{18}
\bibcite{siff97icsm}{19}
\bibcite{sneath73}{20}
\bibcite{sommerville95}{21}
\bibcite{storey96wcre}{22}
\bibcite{tzerpos97wcre}{23}
\bibcite{wiggerts97wcre2}{24}