How effective is stemming and decompounding for German text retrieval?

Erworben im Rahmen der Schweizer Nationallizenzen (http://www.nationallizenzen.ch

Experiments with the Eurospider Retrieval System for CLEF 2000

This paper describes the experiment setup that we used for our CLEF participation and gives a preliminary analysis of the results that were obtained. We participated in the multilingual and monolingual tasks with three runs each. For our experiments, we investigated query translation using different approaches, as well as document translation. A main focus was the use of so-called similarity thesauri for query translation. Our approach produced promising results, and shows potential for future adaptations. Introduction This paper describes our experiments conducted for CLEF 2000. We will start by outlining our system setup, including details of the collection and indexing. The paper continues with a description of the particular characteristics of the individual experiments, followed by a preliminary analysis of our results. The paper closes with a discussion of our findings. Eurospider participated in the multilingual and monolingual retrieval tasks. For multilin