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- Argaw, Atelach Alemu, et al.
(författare)
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Dictionary-based Amharic-French information retrieval
- 2006
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Ingår i: Accessing Multilingual Information Repositories. - Berlin, Heidelberg : Springer Berlin Heidelberg. - 354045697X ; , s. 83-92, s. 83-92
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Konferensbidrag (refereegranskat)abstract
- We present four approaches to the Amharic - French bilingual track at CLEF 2005. All experiments use a dictionary based approach to translate the Amharic queries into French Bags-of-words, but while one approach uses word sense discrimination on the translated side of the queries, the other one includes all senses of a translated word in the query for searching. We used two search engines: The SICS experimental engine and Lucene, hence four runs with the two approaches. Non-content bearing words were removed both before and after the dictionary lookup. TF/IDF values supplemented by a heuristic function was used to remove the stop words from the Amharic queries and two French stopwords lists were used to remove them from the French translations. In our experiments, we found that the SICS search engine performs better than Lucene and that using the word sense discriminated keywords produce a slightly better result than the full set of non discriminated keywords.
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- Bardeli, Rolf, et al.
(författare)
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CHORUS Deliverable 2.2: Second report - identification of multi-disciplinary key issues for gap analysis toward EU multimedia search engines roadmap
- 2008. - 2
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Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
- After addressing the state-of-the-art during the first year of Chorus and establishing the existing landscape in multimedia search engines, we have identified and analyzed gaps within European research effort during our second year. In this period we focused on three directions, notably technological issues, user-centred issues and use-cases and socio- economic and legal aspects. These were assessed by two central studies: firstly, a concerted vision of functional breakdown of generic multimedia search engine, and secondly, a representative use-cases descriptions with the related discussion on requirement for technological challenges. Both studies have been carried out in cooperation and consultation with the community at large through EC concertation meetings (multimedia search engines cluster), several meetings with our Think-Tank, presentations in international conferences, and surveys addressed to EU projects coordinators as well as National initiatives coordinators. Based on the obtained feedback we identified two types of gaps, namely core technological gaps that involve research challenges, and “enablers”, which are not necessarily technical research challenges, but have impact on innovation progress. New socio-economic trends are presented as well as emerging legal challenges.
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- Boujemaa, Nozha, et al.
(författare)
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CHORUS Deliverable 2.1: State of the Art on Multimedia Search Engines
- 2007. - 4
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Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
- Based on the information provided by European projects and national initiatives related to multimedia search as well as domains experts that participated in the CHORUS Think-thanks and workshops, this document reports on the state of the art related to multimedia content search from, a technical, and socio-economic perspective. The technical perspective includes an up to date view on content based indexing and retrieval technologies, multimedia search in the context of mobile devices and peer-to-peer networks, and an overview of current evaluation and benchmark inititiatives to measure the performance of multimedia search engines. From a socio-economic perspective we inventorize the impact and legal consequences of these technical advances and point out future directions of research.
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- Bylund, Markus, et al.
(författare)
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Mirroring your Web presence
- 2008. - 1
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Konferensbidrag (refereegranskat)abstract
- This paper describes the starting points, from the standpoint of individual privacy and identity monitoring and from a technological perspective, of how to design and build tools for to help individual users track and monitor their presence on the web. Our design models and represents facets of identity by tracking their mentions in text. It is intended to provide a basis for discussion on how to redress the information imbalance users are subjected to today, due to lack of overview of their own traces.
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- Clough, Paul, et al.
(författare)
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Large-scale interactive evaluation of multilingual information access systems: the iCLEF Flickr challenge
- 2008. - 1
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Konferensbidrag (refereegranskat)abstract
- Participation in evaluation campaigns for interactive information retrieval systems has received variable success over the years. In this paper we discuss the large-scale interactive evaluation of multilingual information access systems, as part of the Cross-Language Evaluation Forum evaluation campaign. In particular, we describe the evaluation planned for 2008 which is based on interaction with content from Flickr, the popular online photo-sharing service. The proposed evaluation seeks to reduce entry costs, stimulate user evaluation and encourage greater participation in the interactive track of CLEF.
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