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Träfflista för sökning "WFRF:(Järvelin Anni 1980) "

Sökning: WFRF:(Järvelin Anni 1980)

  • Resultat 1-3 av 3
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1.
  • Ferro, Nicola, et al. (författare)
  • PROMISE Retreat Report Prospects and Opportunities for Information Access Evaluation
  • 2013
  • Ingår i: ACM SIGIR Forum. - : Association for Computing Machinery (ACM). - 0163-5840 .- 1558-0229. ; 46:2, s. 60-84
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • The PROMISE network of excellence organized a two-days brainstorming workshop on 30th and 31st May 2012 in Padua, Italy, to discuss and envisage future directions and perspectives for the evaluation of information access and retrieval systems in multiple languages and multiple media. This document reports on the outcomes of this event and provides details about the six envisaged research lines: search applications; contextual evaluation; challenges in test collection design and exploitation; component-based evaluation; ongoing evaluation; and signal-aware evaluation. The ultimate goal of the PROMISE retreat is to stimulate and involve the research community along these research lines and to provide funding agencies with effective and scientifically sound ideas for coordinating and supporting information access research.
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2.
  • Friberg Heppin, Karin, 1963, et al. (författare)
  • Assessors assessing assessments
  • 2013
  • Ingår i: Proceedings of the 4th International Louhi Workshop on Health Document Text Mining and Information Analysis (Louhi 2013).
  • Konferensbidrag (refereegranskat)abstract
    • This paper summarizes a questionnaire put to assessors of a medical test collection adjusted to user groups: health care professionals and lay persons. Three assessors were medical students, while two had no medical training. The study shows how persons with different level of expertise may reason when assigning relevance and target groups. A clear bias was found toward assigning target group of documents and topics to the assessors' own group.
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3.
  • Friberg Heppin, Karin, 1963, et al. (författare)
  • Towards Improving Search Results for Medical Experts and Laypersons
  • 2012
  • Ingår i: Proceedings of CLEFeHealth 2012.
  • Konferensbidrag (refereegranskat)abstract
    • In a domain such as medicine, it is important that individuals’ infor-mation needs are met with information on a suitable level of difficulty and ex-pertise. This paper focuses on facilitating medical information access through reformulating queries and re-ranking result lists utilizing features typical for the language written for professionals or for laypersons. The aim is to produce re-sult lists where the ranking is better suited for the expertise level of the user. We will explore the possibility of using features such as trigger phrases for que-ry reformulation and document length, average word length or compound ratio for re-ranking. The Swedish medical IR test collection, MedEval, from Språkbanken, Uni-versity of Gothenburg, will be used to find features specific for professional language and lay language and to study the effectiveness of these features in re-formulating queries and re-ranking search results based on the target group. The test collection contains 42,250 documents from the medical corpus MedLex , collected from all types of written medical information found in electronic for-mat, except patient records. The collection contains 62 topics. In total, 7,044 documents have been assessed both for relevance to these topics and for tar-get group. Our experiments will be based on earlier explorative studies on medical ex-pert and lay language where some features were identified. It was found that documents written for professionals tended to have more tokens per document, longer words, and more compounds than lay documents.
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  • Resultat 1-3 av 3

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