VASCODA: A German Scientific Portal for Cross-Searching Distributed Digital Resource Collections

Neuroth, Heike; Pianos, Tamara

doi:10.1007/978-3-540-45175-4_24

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2006

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“…The German Vascoda project [15] tries to accomplish this ambitious task, integrating distributed scientific information resources from all over Germany. Its Web portal is the major German Website for providing unified access to interdisciplinary scientific and scholarly information.…”

Section: Introductionmentioning

confidence: 99%

A Plugin Architecture Enabling Federated Search for Digital Libraries

Chernov

Kohlschütter

Nejdl

2006

Digital Libraries: Achievements, Challenges and Opportunities

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Abstract. Today, users expect a variety of digital libraries to be searchable from a single Web page. The German Vascoda project provides this service for dozens of information sources. Its ultimate goal is to provide search quality close to the ranking of a central database containing documents from all participating libraries. Currently, however, the Vascoda portal is based on a non-cooperative metasearch approach, where results from sources are merged randomly and ranking quality is sub-optimal. In this paper, we describe a Lucene-based plugin which replaces this method by a truly federated search across different search engines, where the exchange of document statistics improves document ranking. Preliminary evaluation results show ranking results equal to a centralized setup.

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Section: Introductionmentioning

confidence: 99%