Océ at CLEF 2003

Brand, Roel; Brünner, Marvin; Driessen, Samuel; Iljin, Pascha; Klok, Jakob

doi:10.1007/978-3-540-30222-3_28

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…For the English, Italian and Spanish languages, however, the simple adaptation of the underlying Okapi model parameters only marginally enhanced retrieval effectiveness (from +1.4% to +3.0%). By modifying the values of these parameters, Brand and Brünner (2003) were able to make more detailed evaluations of their effects on retrieval effectiveness, showing that an appropriate value for the parameter k 1 is around 1.6 and for b, the best value seems to be around 0.5. These authors also demonstrate that varying the value of b will have more impact on retrieval effectiveness.…”

Section: Monolingual Ir Learning Curvementioning

confidence: 99%

Combining Multiple Strategies for Effective Monolingual and Cross-Language Retrieval

Savoy

2004

Information Retrieval

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Abstract. This paper describes and evaluates different retrieval strategies that are useful for search operations on document collections written in various European languages, namely French, Italian, Spanish and German. We also suggest and evaluate different query translation schemes based on freely available translation resources. In order to cross language barriers, we propose a combined query translation approach that has resulted in interesting retrieval effectiveness. Finally, we suggest a collection merging strategy based on logistic regression that tends to perform better than other merging approaches.

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Section: Monolingual Ir Learning Curvementioning

confidence: 99%

Combining Multiple Strategies for Effective Monolingual and Cross-Language Retrieval

Savoy

2004

Information Retrieval

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“…We will address some of these approaches in the following sections. Even so, elements of the same blueprint can be detected in some further experiments by other participants in both the multilingual and bilingual tracks, such as Océ (Brand and Brünner 2003), University of Exeter (Lam-Adesina and Jones 2003) and others. The challenge remains to prove that the success of this specific blueprint is generalizable to other test collections and operational settings.…”

Section: A Successful Blueprint For a Multilingual Retrieval Systemmentioning

confidence: 82%

Cross-Language Evaluation Forum: Objectives, Results, Achievements

Braschler

Peters

2004

Information Retrieval

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The Cross-Language Evaluation Forum (CLEF) is now in its fourth year of activity. We summarize the main lessons learned during this period, outline the state-of-the-art of the research reported in the CLEF experiments and discuss the contribution that this initiative has made to research and development in the multilingual information access domain. We also make proposals for future directions in system evaluation aimed at meeting emerging needs.

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Océ at CLEF 2003

Cited by 2 publications

References 2 publications

Combining Multiple Strategies for Effective Monolingual and Cross-Language Retrieval

Combining Multiple Strategies for Effective Monolingual and Cross-Language Retrieval

Cross-Language Evaluation Forum: Objectives, Results, Achievements

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