FEDERE ARAMA KAVRAMI DOK 422 Bilgi Ağları (Bahar 2006) Yaşar Tonta H.Ü. BBY slaytlar için kaynak: Su-Shing Chen, Indexing Mathematical Abstracts by Metadata and Ontology IMA Workshop, April 26-27, 2004, /chen/chen.ppt
Federe Arama Farklı metadata uygulamaları, derme geliştirme politikaları, belge türleri, erişim algoritmaları vs. olan veri tabanları/havuzları üzerinde ortak arama yapılması
DL Server Data Provider OAI_DC Data Provider OAI_XXX Service Provider Service Provider Data Mining Federated Search Harvester Harvest API A DL Server with OAI Extensions: Managing the Metadata Complexity Kaynak: /chen/chen.ppt
A DL Server with OAI Extensions: Managing the Metadata Complexity Built in capabilities: Harvester – harvest various OAI compliant data providers Data provider – expose harvested and existing metadata sets Service provider – federated search and data mining capabilities on metadata sets Kaynak: /chen/chen.ppt
Harvester DL Server Harvester Harvester Interface: URL to harvest Selective harvesting parameters Harvest API parameters harvest Data Providers … Harvested metadata Kaynak: /chen/chen.ppt
Harvester Interface Kaynak: /chen/chen.ppt
Harvester Interface Kaynak: /chen/chen.ppt
Data Provider Expose single or combined metadata sets harvested to other harvesters Reformat metadata from different data providers to be harvested by other service providers (e.g., originally Dublin Core, reformat to MARC before exposing) Kaynak: /chen/chen.ppt
Service Provider: Federated Search Emulating a federated search service on existing and combined harvested metadata sets Federated search across potentially other search protocols Kaynak: /chen/chen.ppt
Federated Search Kaynak: /chen/chen.ppt
Federated Search Kaynak: /chen/chen.ppt
Federated Search Kaynak: /chen/chen.ppt
Service Provider: Data Mining Knowledge discovery on harvested metadata sets Metadata classification using the Self- Organizing Map (SOM) algorithm Improving retrieval effectiveness by providing concept browsing and search services Kaynak: /chen/chen.ppt
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