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Cyclades Mediator Service: Collaborative Work, Recommendation & Access Service

Comprehensive access and recommendation service offering collaborative work features, personalized collections, and efficient query and browse functions. Supports multiple protocols and features well-established access protocols, helping users access independent services easily.

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Cyclades Mediator Service: Collaborative Work, Recommendation & Access Service

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  1. CYCLADESAcess Service • Gudrun Fischer, Norbert Fuhr • University of Dortmund (Germany)

  2. Cyclades Mediator Service Collaborative Work Service Recommendation Service Query & Browse Mediator Service Personalization Service Collection Service Access Service . . . arXiv NCSTRL clinmed RePEc NDLTD CYCLADES Services

  3. Services Independent services + Cyclades Mediator Service For each service: - a well established access protocol - a service description

  4. Collection names Search fields Computer Science author, title, abstract European Computer Science author,title, abstract, country,language Information Seeking • Schemas

  5. Schemas • Dublin Core as standard schema • Flat structure • All attributes set-valued • Collection-specific schemas • Complex structures possible • Require appropriate query language

  6. Searching and Browsing Multilevel Hypertext: Schema Search Browse Attribute values Metadata records

  7. Browsing • Multilevel Browse • Schema level DC, MARC, … • Attribute value level author’s name, author’s names orthographically similar to a given name,… • Document level result set sorted by date, grouped by archive, …

  8. Background Technology HyREX (Hypermedia Retrieval Engine for XML) • Retrieval engine for XML documents • Supports vagueness and imprecision (vague predicates, term weighting, ranking) • OAI Gathering interface already implemented • Used for German/European OAs EMPRESS, PhysDoc

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