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 Expressive Query Translation in Peer Database Networks. A Query Processing Mechanism in Peer to Peer Data Sharing Systems
Наименование:

Expressive Query Translation in Peer Database Networks. A Query Processing Mechanism in Peer to Peer Data Sharing Systems

автор Md M.R. издательство Книга по Требованию Экономическая теория
Cтраниц 88        мягкая обложка       
Аннотация:The proposed approach uses of user-provided syntax and data level mappings that each peer constructs and shares with other peers. The translation mechanism is evaluated on a prototype peer-to-peer network to demonstrate the viability of the approach. One of the problems in such a system is translating queries between peers taking into account both the schema and data heterogeneity. This book presents a query translation mechanism between heterogeneous peers in Peer to Peer Database Networks. Based on the mapping information, our algorithm applies translation rules to translate queries. In a such a network, each peer chooses its own data model and schema, and maintains data independently without any global coordinator. A Peer to Peer Database Network combines a database management system with P2P functionality. Query translation is the problem of rewriting a query posed in terms of one peer schema to a query in terms of another peer schema.
Автор: Md M.R.
Издательство: Книга по Требованию
Год:2009
Цена:
1996 руб
Нет в наличии
Поиск: Expressive Query Translation in Peer Database Networks. A Query Processing Mechanism in Peer to Peer Data Sharing Systems
НОВЫЙ ГОД СИМВОЛ 2013 ГОДАУКРАШЕНИЯ
КАРНАВАЛ НА НОВЫЙ ГОД РАСПРОДАЖА
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