Sentence Clustering is often used as a first step in Multi-Document Summarization (MDS) to find redundant information. All the same there is no gold standard avail- able. This paper describes the creation of a gold standard for sentence cluster- ing from DUC document sets. The proce- dure of building the gold standard and the guidelines which were given to six human judges are described. The most widely used and promising evaluation measures are presented and discussed.

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