Sökning: "database federation"

Hittade 3 avhandlingar innehållade orden database federation.

1. 1. A System for Integrating Heterogeneous, Autonomous Databases

   Författare :Merja Karjalainen; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; rewrite rules; functional data model; database federation; query processing; Database integration;

   Sammanfattning : .... LÄS MER

3. 2. Scalable Queries over Log Database Collections

   Författare :Minpeng Zhu; Tore Risch; Peter Gray; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Datavetenskap med inriktning mot databasteknik; Computer Science with specialization in Database Technology;

   Sammanfattning : In industrial settings, machines such as trucks, hydraulic pumps, etc. are widely distributed at different geographic locations where sensors on machines produce large volumes of data. The data produced is stored locally in autonomous databases called log databases. LÄS MER

4. 3. A Uniform Query Processing Approach for Integrating Data from Heterogeneous Resources

   Författare :Merja Karjalainen; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Query processing; Functional data model; Rewrite rules; Data integration;

   Sammanfattning : Scientists who need to explore several different databases in theirresearch can find it difficult and tedious to extract and combineinformation from various heterogeneous data sources manually.This is a particular problem for researchers in the life sciences,since technical advances in the last decade have resulted in a dramaticincrease in the quantity and variety of data. LÄS MER