Search (271 results, page 14 of 14)

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Abstract

The goals of the CLEF (Cross-Language Evaluation Forum) series of evaluation campaigns for information retrieval systems operating on European languages are described. The difficulties of organizing an activity which aims at an objective evaluation of systems running on and over a number' of different languages are examined. The discussion includes an analysis of the first results and proposals for possible developments in the future.

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Abstract

Develop the European library network's localisation and multilingual capabilities, improving access for end-users through multi language interfaces and advanced search mechanisms in a standardised way

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Abstract

Based on the salient features of the documents, automatic text summarization systems extract the key sentences from source documents. This process supports the users in evaluating the relevance of the extracted documents returned by information retrieval systems. Because of this tool, efficient filtering can be achieved. Indirectly, these systems help to resolve the problem of information overloading. Many automatic text summarization systems have been implemented for use with different languages. It has been established that the grammatical and lexical differences between languages have a significant effect on text processing. However, the impact of the language differences on the automatic text summarization systems has not yet been investigated. The authors provide an impact analysis of language difference on automatic text summarization. It includes the effect on the extraction processes, the scoring mechanisms, the performance, and the matching of the extracted sentences, using the parallel corpus in English and Chinese as the tested object. The analysis results provide a greater understanding of language differences and promote the future development of more advanced text summarization techniques.

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Abstract

Presents EuroMenUSE, a PC-based front-end system developed to improve access to EPOQUE, the major document database of the European Parliament. EuroMenUSEe is an exemplar and the first commercial product to result from the application of the Multilingual MenUSE software shell; in this system it uses the EUROVOC thesaurus. This Common Query interface replaces the Common command Language and provides a more effectve way for end-users to access document databases

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Abstract

Telecommunications networks and standard protocols for information retrieval aid physical access to geographically scattered libraries. However, users face problems when searching for foreign language documents if they do not have a certain command of the relevant language(s). Multilingual facilities, in particular multilingual presentation and retrieval, can intellectually open the library catalogue to a wider range of international users. Describes an attempt at using multilingual resources with a view to improving the user OPAC interaction throught he TRANSLIB project and its integration at 'Biblioteca Hispanica de la Agencia Espanola de Cooperation Internacional'

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Abstract

The use of library resources will no longer be restricted to the physical location of libraries thanks to networking technologies and standard protocols for information retrieval. These technical achievements allow users to access geographically scattered libraries but they do not ease their intellectual access. Indeed, users need a certain command of different languages to find publications whose records are written in a unique language. Multilingual facilities, including multilingual presentation and retrieval, can intellectually open the library catalogue to a wider range of international users. Describes an attempt at using multilingual resources with a view to improving user OPAC interaction through the TRANSLIB project, which provides library users with advanced tools that support multilingual access

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Abstract

Creating an information architecture for a bilingual Web site presents particular challenges beyond those that exist for single and multilanguage sites. This article reports work in progress an the development of a contentbased bilingual Web site to facilitate the sharing of resources and information between Speech and Language Therapists. The development of the information architecture is based an a combination of two aspects: an abstract structural analysis of existing bilingual Web designs focusing an the presentation of bilingual material, and a bilingual card-sorting activity conducted with potential users. Issues for bilingual developments are discussed, and some observations are made regarding the use of card-sorting activities.

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Abstract

This report presents a case study of the development of an interface for a novel and complex form of document retrieval: searching for texts written in foreign languages based on native language queries. Although the underlying technology for achieving such a search is relatively weIl understood, the appropriate interface design is not. A study involving users from the beginning of the design process is described, and it covers initial examination of user needs and tasks, preliminary design and testing of interface components, building, testing, and refining the interface, and, finally, conducting usability tests of the system. Lessons are learned at every stage of the process, leading to a much more informed view of how such an interface should be built.

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Abstract

This paper reports the results of a study that investigated Arabic-speaking children's interaction with the International Children's Digital Library (ICDL) to find Arabic books on four tasks. Children's information seeking activities was captured by using HyperCam software. Children's success was assessed based on a measure the researchers developed. Children's perceptions of and affective experience in using the ICDL was gathered through group interviews. Findings revealed that children's information seeking behavior was characterized by browsing using a single function; that is, looking under "Arabic" from the Simple interface pull-down menu. Children were more successful on the fully self-generated, open-ended task than on the assigned and semi-assigned tasks. Children made suggestions for improving the Arabic collection and the design of the ICDL. The findings have implications for practitioners, researchers, and system designers.

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Abstract

This article explores how best to use lexical and statistical translation evidence together for cross-language information retrieval (CLIR). Lexical translation evidence is assembled from Wikipedia and from a large machine-readable dictionary, statistical translation evidence is drawn from parallel corpora, and evidence from co-occurrence in the document language provides a basis for limiting the adverse effect of translation ambiguity. Coverage statistics for NII Testbeds and Community for Information Access Research (NTCIR) queries confirm that these resources have complementary strengths. Experiments with translation evidence from a small parallel corpus indicate that even rather rough estimates of translation probabilities can yield further improvements over a strong technique for translation weighting based on using Jensen-Shannon divergence as a term-association measure. Finally, a novel approach to posttranslation query expansion using a random walk over the Wikipedia concept link graph is shown to yield further improvements over alternative techniques for posttranslation query expansion. Evaluation results on the NTCIR-5 English-Korean test collection show statistically significant improvements over strong baselines.